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Form 8-K

sec.gov

8-K — Momentus Inc.

Accession: 0001140361-26-019009

Filed: 2026-05-05

Period: 2026-05-05

CIK: 0001781162

SIC: 3760 (GUIDED MISSILES & SPACE VEHICLES & PARTS)

Item: Results of Operations and Financial Condition

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — ef20072374_8k.htm (Primary)

EX-99.1 — EXHIBIT 99.1 (ef20072374_ex99-1.htm)

EX-99.2 — EXHIBIT 99.2 (ef20072374_ex99-2.htm)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

May 5, 2026

Date of Report (date of earliest event reported)

Momentus Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-39128

84-1905538

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

1762 Automation Parkway

San Jose, California

95131

(Address of Principal Executive Offices)

(Zip Code)

(650) 564-7820

Registrant’s telephone number, including area code

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions

(see General Instruction A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to section 12(g) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Class A common stock

MNTS

The Nasdaq Stock Market LLC

Warrants

MNTSW

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2

of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised

financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.

Results of Operations and Financial Condition.

On May 5, 2026, Momentus Inc. (the “Company”) issued a letter to shareholders (the “Shareholder Letter”), which was posted on its website at

investors.momentus.space. A copy of the Shareholder Letter is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K (this “Current Report”) and is incorporated by reference herein.

The Shareholder Letter includes estimates of certain preliminary financial results, which reflect management’s estimates based solely upon information

available to management as of the date of the Shareholder Letter and are subject to the completion and finalization of the Company’s financial and accounting close procedures. The Shareholder Letter also includes guidance for the full 2026 fiscal

year and business updates.

Item 7.01.

Regulation FD Disclosure.

The information set forth in Item 2.02 of this Current Report is incorporated in this item 7.01 by reference.

The Company also issued a press release (the “Press Release”) on the same date that the Shareholder Letter was issued. A copy of the Press Release is

furnished herewith as Exhibit 99.2 to this Current Report and is incorporated herein by reference.

The information in Item 2.02 and this Item 7.01, including Exhibits 99.1 and 99.2, is being furnished, not filed, pursuant to Regulation FD.

Accordingly, such information will not be incorporated by reference into any registration statement filed by the Company under the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated therein by

reference. The furnishing of such information is not intended to, and does not, constitute a determination or admission by the Company that such information is material or complete, or that investors should consider this information before making

an investment decision with respect to any security of the Company or any of its affiliates.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits

Exhibit

Number

Exhibit Description

99.1

Letter to Shareholders, dated May 5, 2026, issued by Momentus Inc.

99.2

Press Release, dated May 5, 2026, issued by Momentus Inc.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the

undersigned hereunto duly authorized.

By:

/s/ Lon Ensler

Name:

Lon Ensler

Dated:

May 5, 2026

Title:

Chief Financial Officer

EX-99.1 — EXHIBIT 99.1

EX-99.1

Filename: ef20072374_ex99-1.htm · Sequence: 2

Exhibit 99.1

Letter to Shareholders

Key Takeaways

Strong execution: Momentus launched its Vigoride 7

spacecraft to orbit on March 30, 2026 on the SpaceX Transporter 16 launch vehicle.  Vigoride 7’s mission features demonstrations of cutting-edge space technologies and operations planned over the next several months.

Space Force budget increase: The FY2027 U.S. Space Force

budget request of $71 billion—more than double last year’s allocation—potentially represents an historic inflection in government space spending.

Government contract awards accelerating: Momentus holds

active contracts with DARPA, the U.S. Air Force Research Labs (AFRL) SpaceWERX organization, the U.S. Space Force’s Space Development Agency (SDA), NASA, and the Missile Defense Agency, including the SHIELD IDIQ— where Momentus has the

right to compete for contracts in a $151 billion, 10-year national defense contract vehicle tied to the Golden Dome missile defense initiative.  Momentus is cleared to Top Secret and positioned to compete for classified programs.

Revenue inflection: Momentus forecasts revenue of $10.0

million in 2026, a 9X increase over $1.1 million in 2025, driven by milestone-based contracts with NASA and the U.S. Department of Defense.

Strengthened balance sheet: Cash on hand increased to $26.2

million as of April 23, 2026, up from $12.8 million at year-end 2025, which we estimate provides us with at least a 12-month runway.

Fundamental Institutional Investor Support:  On April 16,

2026, we closed a $5 million private placement of common stock priced at the market under Nasdaq rules with a fundamental institutional investor.

Convertible Debt Retired:  As of April 17, 2026, the

Company’s remaining $1.35 million convertible debt outstanding as of December 31, 2025 has been retired.  As of the date of this letter, Momentus has no outstanding debt.

Vigoride 8 already sold out: The next orbital service

vehicle mission, planned for 2027, is fully subscribed with NASA-awarded contracts, demonstrating continued customer demand.

CEO Letter to Shareholders

I wanted to give shareholders an update on the progress that we continue to make at Momentus. The United States is making a major commitment to space as a domain of

national defense—and Momentus is well-positioned to support that effort, with key technologies and active contracts spanning the Defense Advanced Research Projects Agency (DARPA), the U.S. Space Force’s Space Development Agency (SDA), SpaceWERX

(the innovation arm of the U.S. Space Force at AFRL), and the Missile Defense Agency.

NASA has also put forward a bold vision and commitment to U.S. leadership in space exploration, including astronauts living and working on the Moon.  Momentus won a

series of contracts last year from NASA, and we are poised to play a growing role supporting NASA.  Momentus also recently moved into a new facility well suited to scale with those ambitions. This letter details where we stand today and why we

believe the opportunity ahead is as significant as any in the company’s history.

Planned Revenue Growth

Momentus currently forecasts revenue of $10.0 million in 2026, a 9X increase over $1.1 million reported in our fiscal year 2025 Annual Report filed March 31, 2026. This

forecast reflects anticipated milestone-based payments from customers—principally NASA—under contracts already awarded and signed. We have submitted additional contract proposals to customers that, if awarded, have the potential to push full-year

2026 revenue above $10.0 million.

Strengthened Financial Foundation and Fundamental Institutional Investor Support

Momentus has substantially strengthened its balance sheet over the past year. As of April 23, 2026, the Company held $26.2 million in cash—up from $12.8 million at fiscal

year-end 2025. This liquidity is projected to provide at least 12-month operational runway. We believe improved financial stability will support our commercial and defense contracting ambitions, as these customers generally require demonstrated

financial health from mission partners.

On April 16, 2026, Momentus announced the closing of a private placement priced at-the-market with a single institutional investor for the purchase and sale of 1,333,334

shares of its common stock (or common stock equivalents in lieu thereof). The Company received aggregate gross proceeds of approximately $5 million, before deducting placement agent fees and other Offering expenses.  We are pleased to welcome this

high quality fundamental institutional investor to our capitalization table.

As of the date of this letter, Momentus has retired $1.35 million of convertible debt that was outstanding on December 31, 2025 through repayment or conversions.  As of

the date of this letter, Momentus has no outstanding debt.

Strong Execution

On March 30, 2026, Momentus launched the Vigoride 7 Orbital Service Vehicle carrying 10 payloads to orbit aboard SpaceX’s Transporter 16 mission. Standing on the beach at

Vandenberg Space Force Base before dawn alongside members of our team, I watched the Falcon 9 illuminate the night sky—and what I felt in that moment was not just pride in a successful launch, but conviction in the mission we have started and the

talented team at Momentus that made it possible. Vigoride 7 is operational, its payloads all indicate good health, and initial operation of the first payloads planned for operation and maneuver of the spacecraft is going well

This mission is planned to run for several months and is being operated from Momentus’ Mission Control Center in our new facility in San Jose, California. The 10 payloads

include demonstrations of autonomous rendezvous and proximity operations (RPO) utilizing AI—a strategically critical capability for Space Force contested-orbit operations—as well as in-space assembly technologies, advanced communications systems,

and high-performance onboard computing demonstrating some of the technologies needed for data centers in orbit.

These activities are conducted under active contracts with NASA, multiple Department of Defense organizations, and commercial partners—including an approximately $4.2

million contract with DARPA, an approximately $1.9 million contract with SpaceWERX (the innovation arm of the U.S. Space Force), and additional contracts with NASA’s Johnson Space Center and Armstrong Flight Research Center.

During the Vigoride 7 mission, Momentus is also testing an innovative fuel tank designed in-house and manufactured by partner Velo3D using advanced metal additive

manufacturing. The tank incorporates optimized features that we believe would be difficult or impossible to achieve through traditional manufacturing. This test represents a step toward Momentus becoming a qualified supplier of space-rated fuel

tanks—typically high-cost components that require long lead times to obtain. This capability directly supports national defense supply chain resilience, and our aim is to add this product area as a new revenue stream.

The technologies flying on Vigoride 7—from autonomous maneuvering to in-space assembly—are critical building blocks for the emerging space economy and for U.S. defense

capabilities in orbit. We are proud to serve DARPA, the Space Force, Air Force Research Labs SpaceWERX, NASA, and commercial partners including Portal, Orbit Fab, CisLunar Industries, DPhi, Scout Space, and Solstar Space.

Our next mission, the Vigoride 8 Orbital Service Vehicle planned for launch in 2027, is already fully sold out. We are slated to carry two cutting-edge payloads under

NASA-awarded contracts.

Serving the National Defense of the United States

The United States is making a generational commitment to defending its interests in space, and Momentus has built the capabilities and infrastructure, and obtained the

Top Secret security clearances to serve that mission.  U.S. allies are also taking major steps in their space programs, with substantial increases in budgets and new programs.

The Trump administration’s fiscal year 2027 budget proposal, released April 3, 2026, calls for a sharp expansion of U.S. military spending, including a particularly large

increase for the U.S. Space Force as the Pentagon shifts resources toward on-orbit capabilities for missile defense and several other missions. The President’s requested Space Force budget of $71 billion—more than double last year’s

allocation—includes over $60 billion directed to procurement and research and development.

The budget proposal supports space-based missile defense sensors and interceptors, kinetic and non-kinetic defeat and defense capabilities, and enabling technologies for

a layered homeland missile defense architecture. These are areas in which Momentus competes using proprietary technology.

Momentus has been selected to participate in the Missile Defense Agency’s (MDA’s) SHIELD indefinite-delivery, indefinite-quantity (IDIQ) contract vehicle—a 10-year

program with a $151 billion ceiling. SHIELD is an element of the new Golden Dome missile defense initiative, designed to construct a layered national shield against advanced ballistic and hypersonic cruise missile threats that will define the

architecture of American missile defense over the next decade. Being selected for this contract vehicle gives Momentus the ability to compete for task orders under the SHIELD program alongside other participating contractors. We believe we have

built the capabilities, security clearances, and infrastructure to earn that work.

Momentus has also been awarded a contract by SpaceWERX under the Sustained Space Maneuver Challenge—directly addressing one of the Space Force’s most strategically

important capability requirements: autonomous rendezvous and proximity operations (RPO) in contested orbital environments. Under this contract, Momentus will demonstrate an internally developed RPO system equipped with optical, infrared, and Lidar

sensors, integrating AI-driven algorithms and advanced sensor fusion to enable the safe, autonomous approach of a spacecraft to an uncharacterized object in low Earth orbit. This capability underpins Space Force missions spanning reconnaissance,

on-orbit refueling, dynamic maneuvering, and offensive and defensive orbital operations.

Momentus holds a Facility Security Clearance—granted through active contracts with DARPA and the Space Development Agency (SDA), an arm of the U.S. Space Force. This

clearance authorizes Momentus to perform on contracts up to the Top Secret level across the U.S. Space Force and other government agencies. Top Secret security clearance is a prerequisite for contractors to perform under many of the most

consequential programs in the defense contracting environment.  Momentus, with its Top Secret security clearance, is now able to pursue these classified programs that many space companies cannot access.

In addition, we have submitted proposals to multiple U.S. Department of Defense agencies and NASA, and we are actively pursuing additional commercial opportunities.

In March 2026, Momentus moved into a new 61,100-square-foot headquarters in San Jose—nearly quadrupling our clean room, R&D and manufacturing capacity from 4,500 to

16,000 square feet. The facility features extensive lab space, clean room capabilities, a machine shop, a robust electrical infrastructure, and a dedicated Mission Control Center for on-orbit operations. By moving into this facility, Momentus

lowered monthly operating costs while dramatically expanding production capacity to support accelerating demand from commercial customers and national security programs—including Golden Dome and MDA SHIELD.

NASA and the New Era of Space Exploration

Momentus is proud to support NASA across a growing portfolio of contracts. In 2025, we signed six NASA agreements, including a $5.1 million contract to support the

Commercial Orbital System for Microgravity In-Space Crystallization (COSMIC) demonstration—a pioneering program to advance crystal growth for pharmaceuticals, semiconductors, and advanced materials in the microgravity environment of space—and a

$2.5 million contract to demonstrate the Rotating Detonation Rocket Engine (RDRE) on-orbit, a next-generation propulsion technology with applications across both commercial and defense missions.

NASA Administrator Jared Isaacman has articulated an ambitious vision for U.S. leadership in space, championing greater investment in exploration and pushing the agency

toward bold, near-impossible projects. The Artemis II mission—the first crewed lunar mission in over a half century—surpassed the farthest distance from Earth traveled by humans since Apollo 13, and the four Artemis astronauts had a successful

splashdown. NASA’s objective is to land astronauts on the Moon by early 2028, with a sustained lunar presence to follow. Momentus expects this initiative to create new mission opportunities, including through our patented water-propellant

propulsion system, which we believe will be well- suited to certain deep-space logistics applications.

Outlook

Momentus enters the remainder of 2026 with a fully operational spacecraft on-orbit, a sold-out next mission, a strengthened balance sheet, active contracts with the

nation’s top defense agencies, and a facility built to scale. The convergence of surging defense investment in space, NASA’s renewed exploration mandate, and growing commercial demand for in-space services creates a market environment unlike

anything Momentus has operated in before.

We are not a company waiting for opportunity to arrive. We are actively executing towards it—mission by mission, contract by contract. We thank our shareholders for their

continued confidence and look forward to delivering results that reflect the strength of what we are building.

Sincerely,

/s/ John Rood

John Rood

Chairman, President, and CEO

Momentus Inc.

About Momentus

Momentus is a U.S. commercial space company offering satellites, satellite components, and in-space transportation and infrastructure services. The Company offers

satellites to support government and commercial customers for missions like communications, missile tracking, and cutting-edge science missions. Momentus offers services such as hosted payloads, support for in-space assembly, on-orbit servicing and

refueling, and transportation of satellites to specific orbits.

Forward-Looking Statements

This letter contains forward-looking statements within the meaning of federal securities laws. These forward-looking statements include, without limitation, statements

regarding management’s expectations, hopes, beliefs, intentions or strategies regarding the future, projections, forecasts of revenue and cash runway, anticipated growth in U.S. Government and Space Force spending, and other characterizations of

future events or circumstances, including any underlying assumptions, and are not guarantees of future performance. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in

circumstances that are difficult to predict and many of which are outside of Momentus’ control. Many factors could cause actual future events to differ materially from the forward-looking statements in this letter, including but not limited to our

ability to meet milestones linked to payments under existing contracts, our ability to win future contracts from Space Force, NASA, the MDA SHIELD IDIQ or otherwise, our ability to raise additional capital to support our business plan, the risk

that future capital raising activities will be dilutive to shareholders, the ability of our technology to operate as expected, our ability to obtain licenses and government approvals for our missions, our ability to develop, test and validate our

technology, including its water plasma propulsion technology; delays or impediments we may face in the development, manufacture and deployment of our technology, and other risks and uncertainties included under the heading “Risk Factors” in the

Annual Report on Form 10-K filed by the Company on March 31, 2026, as such factors may be updated from time to time in our other filings with the Securities and Exchange Commission (the “SEC”), accessible on the SEC’s website at www.sec.gov, and

the Investor Relations section of our website at https://momentus.space.

Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and, except as required

by law, the Company assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise.

Contact:

Investors: investors@momentus.space

Media: press@momentus.space

EX-99.2 — EXHIBIT 99.2

EX-99.2

Filename: ef20072374_ex99-2.htm · Sequence: 3

Exhibit 99.2

Momentus Publishes Letter to Shareholders Highlighting Progress

Advancing mission execution, commercial momentum, revenue growth, and stronger balance sheet

SAN JOSE, Calif. — May 5, 2026 — Momentus Inc. (NASDAQ: MNTS) (“Momentus” or the

“Company”), a U.S. commercial space company specializing in satellite technology, space transportation, and in‑orbit services, today

announced that it has released a Letter to Shareholders from CEO John Rood, detailing the company’s progress in winning new contracts, growing revenue, retiring its debt, and strengthening its balance sheet.

The letter outlines key achievements across mission execution, technology development, and commercial expansion.

“Our team continues to demonstrate disciplined execution,” said CEO John Rood in the letter. “We remain focused on delivering for our customers, strengthening our

operational foundation, and positioning Momentus for long‑term growth.”

Highlights from the Letter to Shareholders include:

Strong execution: Momentus launched its Vigoride 7 spacecraft to orbit on March 30, 2026 on the SpaceX Transporter 16 launch vehicle.  Vigoride 7’s mission features demonstrations of cutting-edge

space technologies and operations planned over the next several months.

Space Force budget increase: The FY2027 U.S. Space Force budget request of $71 billion—more than double last year’s allocation—potentially represents an historic inflection in government space

spending.

Government contract awards accelerating: Momentus holds active contracts with DARPA, the U.S. Air Force Research Labs (AFRL) SpaceWERX organization, the U.S. Space Force’s Space Development Agency

(SDA), NASA, and the Missile Defense Agency, including the SHIELD IDIQ— where Momentus has the right to compete for contracts in a $151 billion, 10-year national defense contract vehicle tied to the Golden Dome missile defense initiative.

Momentus is cleared to Top Secret and positioned to compete for classified programs.

Revenue inflection: Momentus forecasts revenue of $10.0 million in 2026, a 9X increase over $1.1 million in 2025, driven by milestone-based contracts with NASA and the U.S. Department of Defense.

Strengthened balance sheet: Cash on hand increased to $26.2 million as of April 23 2026, up from $12.8 million at year-end 2025, which we estimate provides us with at least a 12-month runway.

Fundamental Institutional Investor Support:  On April 16, 2026, we closed a $5 million private placement of common stock priced at the market under Nasdaq rules with a fundamental institutional

investor.

Convertible Debt Retired:  As of April 17, 2026, the Company’s remaining $1.35 million convertible debt outstanding as of December 31, 2025 has been retired.  As of the date of this letter,

Momentus has no outstanding debt.

Vigoride 8 already sold out: The next orbital service vehicle mission, planned for 2027, is fully subscribed with NASA-awarded contracts, demonstrating continued customer demand.

The full CEO Letter to Shareholders is now available on the company’s investor relations website.  investors.momentus.space

About Momentus

Momentus is a U.S. commercial space company offering satellites, satellite components, and in-space transportation and infrastructure services. Through its Vigoride

orbital service vehicle, the company delivers hosted payload support, last-mile delivery, and servicing capabilities tailored to scalable mission architectures.

Forward-Looking Statements

This press release contains certain statements which may constitute “forward-looking statements” for purposes of the federal securities laws.

Forward-looking statements include, but are not limited to, statements regarding the expected filing of the Company’s Form 10-K and Form 10-Q and its management team’s expectations, hopes, beliefs, intentions or strategies regarding the future,

projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, and are not guarantees of future performance. Because forward-looking statements relate to the future, they are subject to

inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of Momentus’ control. Many factors could cause actual future events to differ materially from the forward-looking statements in

this press release, including but not limited to risks and uncertainties included under the heading “Risk Factors” in the Annual Report on Form 10-K filed by the Company on March 31, 2026, as such factors may be updated from time to time in our

other filings with the Commission, accessible on the Commission’s website at www.sec.gov and the Investor Relations section of our website at investors.momentus.space. Forward-looking statements speak only as of the date they are made. Readers are

cautioned not to put undue reliance on forward-looking statements, and, except as required by law, the Company assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information,

future events, or otherwise.

Contact:

Investors: investors@momentus.space

Media: press@momentus.space

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Exchange Act

-Number 240

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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Exchange Act

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Local phone number for entity.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Title of a 12(b) registered security.

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Name of the Exchange on which a security is registered.

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-Section 12

-Subsection d1-1

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Trading symbol of an instrument as listed on an exchange.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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