Form 8-K

8-K — M-tron Industries, Inc.

Accession: 0001437749-26-011924

Filed: 2026-04-09

Period: 2026-04-09

CIK: 0001902314

SIC: 3679 (ELECTRONIC COMPONENTS, NEC)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — mpti20260408_8k.htm (Primary)

EX-99.1 — PRESS RELEASE (ex_943524.htm)

GRAPHIC (logo-mtronnotagsmall.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K — FORM 8-K

8-K (Primary)

Filename: mpti20260408_8k.htm · Sequence: 1

mpti20260408_8k.htm

false

0001902314

2026-04-09

0001902314

mpti:CommonStockParValue001CustomMember

2026-04-09

0001902314

mpti:SubscriptionRightsToPurchaseSharesOfCommonStockCustomMember

2026-04-09

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

Date of report (Date of earliest event reported): April 9, 2026

M-tron Industries, Inc.

(Exact Name of Registrant as Specified in Charter)

Delaware

001-41391

46-0457994

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

2525 Shader Road, Orlando, FL

32804

(Address of Principal Executive Offices)

(Zip Code)

(407) 298-2000

Registrant’s Telephone Number, Including Area Code

(Former Name or Former Address, If Changed Since Last Report)

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:

☐ 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(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.01

MPTI

NYSE American

Subscription Rights to Purchase Shares of Common Stock

MPTI RT

NYSE American

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 8.01.

Other Events

On April 9, 2026, M-tron Industries, Inc. (the "Company") issued a press release announcing that it has extended the expiration date of the rights offering to purchase shares of the Company's common stock, par value $0.01 per share (the "Rights Offering") to Monday April 20, 2026. The Rights Offering was previously scheduled to expire on Wednesday April 15, 2026. All other terms of the Rights Offering, including the subscription price of $59.00 per share, remain unchanged.

A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference to this Item 8.01.

Item 9.01.

Financial Statements and Exhibits

(d) Exhibits

Exhibit No.

Description

4.1

Specimen Certificate for Subscription Rights of the Registrant (incorporated by reference to Exhibit 4.1 to the Registrant’s Registration Statement on Form 8-A filed on March 30, 2026 (File No. 001-41391)).

4.2

Instructions for use of Subscription Rights Certificates of the Registrant (incorporated by reference to Exhibit 4.2 to the Registration Statement on Form 8-A/A filed on March 31, 2026 (File No. 001-41391)).

99.1

Press Release of M-tron Industries, Inc. dated April 9, 2026.

104

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

SIGNATURES

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.

M-TRON INDUSTRIES, INC.

(Registrant)

Date: April 9, 2026

By:

/s/ Cameron Pforr

Name:

Cameron Pforr

Title:

Chief Executive Officer

EX-99.1 — PRESS RELEASE

EX-99.1

Filename: ex_943524.htm · Sequence: 2

ex_943524.htm

Exhibit 99.1

M-tron Industries, Inc. Announces Extension of Previously Announced Rights Offering

ORLANDO, Florida (April 9, 2026) – M-tron Industries, Inc. (NYSE American: MPTI, MPTI RT) ("Mtron" or the "Company") today announced that it has extended the expiration of the rights offering to purchase shares of Mtron’s common stock, par value $0.01 per share (the "Common Stock"), distributed on March 30, 2026 (the "Rights"), until 5:00 p.m. Eastern Time on Monday April 20, 2026 (the "Rights Offering") to facilitate the administration of the Rights Offering. The Rights Offering was previously scheduled to expire on April 15, 2026. All other terms and conditions of the Rights Offering remain unchanged.

Pursuant to the prospectus supplement:

•

Five (5) Rights required to purchase one (1) share of Common Stock;

•

Common Stock can be purchased at a subscription price of $59.00 per share;

•

Over-subscription privilege available to Rights holders who are shareholders of record who exercise their basic Rights in full, whereby such Rights holder subscribes for any or all of the shares issuable pursuant to any unexercised Rights on the terms and subject to the conditions set forth in the prospectus supplement; and

•

No fractional shares will be issued.

All exercise notices and payments (including with respect to any exercise of a Rights holder’s over-subscription privilege) must now be received by Computershare Trust Company, N.A. no later than 5:00 p.m. Eastern Time on Monday April 20, 2026. Holders in street name should contact their broker, bank, or other intermediary for information on how to exercise their Rights (including pursuant to any exercise of the over-subscription privilege).

The Rights Offering is more fully described in the prospectus supplement filed with the Securities and Exchange Commission (the "SEC") on March 30, 2026. A copy of the prospectus, prospectus supplements or further information with respect to the Rights Offering may be obtained by contacting Georgeson LLC, the information agent for the Rights Offering, at (866) 539-6575.

About Mtron

M-tron Industries, Inc. (NYSE American: MPTI) designs, manufactures, and markets highly engineered, high reliability frequency and spectrum control products and solutions. As an engineering-centric company, Mtron provides close support to its customers throughout our products' entire life cycle, including product design, prototyping, production, and subsequent product upgrades. Mtron has design and manufacturing facilities in Orlando, Florida, and Yankton, South Dakota, a sales office in Hong Kong, and a manufacturing facility in Noida, India. For more information, visit www.mtron.com.

Cautionary Note Concerning Forward Looking Statements

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, such as those pertaining to the Company’s financial condition, results of operations, business strategy and financial needs. All statements other than statements of current or historical fact contained in this press release are forward-looking statements. The words "believe," "expect," "anticipate," "should," "plan," "will," "may," "could," "intend," "estimate," "predict," "potential," "continue" or the negative of these terms and similar expressions, as they relate to Mtron, are intended to identify forward-looking statements.

These forward-looking statements are largely based on current expectations and projections about future events and financial trends that may affect the financial condition, results of operations, business strategy and financial needs of the Company. They can be affected by inaccurate assumptions, including the risks, uncertainties and assumptions described in the filings made by Mtron with the Securities and Exchange Commission, including those risks set forth under the heading "Risk Factors" in the Company’s Annual Report on Form 10-K as filed with the SEC on March 26, 2026. In light of these risks, uncertainties and assumptions, the forward-looking statements in this press release may not occur and actual results could differ materially from those anticipated or implied in the forward-looking statements. When you consider these forward-looking statements, you should keep in mind these risk factors and other cautionary statements in this press release.

These forward-looking statements speak only as of the date of this press release. Mtron undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. Accordingly, readers are cautioned not to place undue reliance on these forward-looking statements. For these statements, we claim the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995.

###

Contact:

M-tron Industries, Inc. Investor Relations

ir@mtron.com

Cameron Pforr

Chief Executive Officer

GRAPHIC

Filename: logo-mtronnotagsmall.jpg · Sequence: 7

Binary file (11522 bytes)

Download logo-mtronnotagsmall.jpg

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 9

v3.26.1

Document And Entity Information

Apr. 09, 2026

Document Information [Line Items]

Entity, Registrant Name

M-tron Industries, Inc.

Document, Type

8-K

Document, Period End Date

Apr. 09, 2026

Entity, Incorporation, State or Country Code

Entity, File Number

001-41391

Entity, Tax Identification Number

46-0457994

Entity, Address, Address Line One

2525 Shader Road

Entity, Address, City or Town

Orlando

Entity, Address, State or Province

Entity, Address, Postal Zip Code

32804

City Area Code

407

Local Phone Number

298-2000

Written Communications

false

Soliciting Material

false

Pre-commencement Tender Offer

false

Pre-commencement Issuer Tender Offer

false

Entity, Emerging Growth Company

true

Entity, Ex Transition Period

false

Amendment Flag

false

Entity, Central Index Key

0001902314

CommonStockParValue001 Custom [Member]

Document Information [Line Items]

Title of 12(b) Security

Common Stock, par value $0.01

Trading Symbol

MPTI

Security Exchange Name

NYSE

SubscriptionRightsToPurchaseSharesOfCommonStock Custom [Member]

Document Information [Line Items]

Title of 12(b) Security

Subscription Rights to Purchase Shares of Common Stock

Trading Symbol

MPTI RT

Security Exchange Name

NYSE

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

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.

+ References

No definition available.

+ Details

Name:

dei_DocumentInformationLineItems

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

Period Type:

duration

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

Period Type:

duration

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

Period Type:

duration

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the state or province.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

dei_

Data Type:

dei:stateOrProvinceItemType

Balance Type:

Period Type:

duration

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

Period Type:

duration

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards.

+ References

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

-Publisher SEC

-Name Securities Act

-Number 7A

-Section B

-Subsection 2

+ Details

Name:

dei_EntityExTransitionPeriod

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

Period Type:

duration

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

Period Type:

duration

- Definition

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

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

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

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

Period Type:

duration

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

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.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

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.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Title of a 12(b) registered security.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

Period Type:

duration

- Definition

Name of the Exchange on which a security is registered.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

Period Type:

duration

- Definition

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.

+ References

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

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

Period Type:

duration

- Definition

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.

+ References

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

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Details

Name:

us-gaap_StatementClassOfStockAxis=mpti_CommonStockParValue001CustomMember

Namespace Prefix:

Data Type:

Balance Type:

Period Type:

- Details

Name:

us-gaap_StatementClassOfStockAxis=mpti_SubscriptionRightsToPurchaseSharesOfCommonStockCustomMember

Namespace Prefix:

Data Type:

Balance Type:

Period Type: