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Form 8-K

sec.gov

8-K — ALT5 Sigma Corp

Accession: 0001493152-26-018995

Filed: 2026-04-24

Period: 2026-04-20

CIK: 0000862861

SIC: 6221 ()

Item: Unregistered Sales of Equity Securities

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Financial Statements and Exhibits

Documents

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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

Date

of Report (Date of earliest event reported) April 20, 2026

ALT5

SIGMA CORPORATION

(Exact

name of registrant as specified in its charter)

Nevada

000-19621

41-1454591

(State

or other jurisdiction

of

incorporation)

(Commission

File

Number)

(IRS

Employer

Identification

No.)

8548

Rozita Lee Avenue, Suite 305

Las

Vegas, Nevada

89113

(Address

of principal executive offices)

(Zip

Code)

Registrant’s

telephone number, including area code (702) 997-5968

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 $0.001 per share)

ALTS

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. ☐

Section

5 – Corporate Governance and Management

Item

5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of

Certain Officers.

On

April 20, 2026, the Board of Directors (our “Board”) of ALT5 Sigma Corporation (the “Company”, “we”,

“our”, or “us”) approved an employment agreement (the “Employment Agreement”) for our Chief Executive

Officer, Tony Isaac. In connection with our Board’s action, Mr. Isaac’s title was changed from “Acting Chief Executive

Officer” to “Chief Executive Officer.”

The

Employment Agreement provides for a three-year term, subject to annual renewals, unless either party provides written notice of non-renewal

at least 90 days prior to the expiration of the initial term or any renewal term. Mr. Isaac’s annual base compensation is $600,000.

Mr. Isaac is also eligible for an annual bonus in the sole and absolute discretion of our Compensation Committee. In addition, we

issued to Mr. Isaac five million shares of our common stock, the periodic releases of which are determined by the price of our common

stock (the “Stock Award”). In the event that Mr. Isaac’s employment with us terminates because he elects not

to renew the Employment Agreement, terminates for good reason, or we terminate him without cause (as those concepts are

more fully described in the Employment Agreement), we shall pay to Mr. Isaac (i) any accrued but unpaid base salary and accrued but unused

vacation, (ii) any unpaid annual bonus, if awarded by our Compensation Committee, (iii) any unreimbursed business expenses, and (iv)

any other employee benefits to which he may be entitled under our employee benefit plan. Further, in those circumstances and upon

Mr. Isaac executing a release in our favor, we shall also pay him an amount equal to the sum of his base salary and potential annual

bonus for that termination year and all of Mr. Isaac’s equity or other awards shall then vest.

Upon

a termination of the Employment Agreement in connection with a change of control of the Company (as described in our 2024 Equity Incentive

Plan), we shall pay Mr. Isaac (i) an amount equal to three times the sum of his base salary and potential annual bonus amount for

the year in which the termination event occurs (or, if greater, the year immediately preceding the year in which the change of control

occurs) and (ii) an amount equal to his potential annual bonus for the year in which the termination event occurs (or, if greater, the

year in which the change of control occurs). Finally, upon such termination, all restrictions in respect of the Stock Award shall be

released.

Section

3 – Securities and Trading Markets

Item

3.02 Unregistered Sales of Equity Securities.

The

information disclosed in Item 5.02 of this Current Report on Form 8-K in respect of issuance of shares of our common stock is incorporated

herein by reference.

Section

9 – Financial Statements and Exhibits

Item

9.01. Financial Statements and Exhibits.

(d)

Exhibits.

Exhibit

Number

Description

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.

ALT5

SIGMA CORPORATION

Date:

April 24, 2026

By:

/s/

Tony Isaac

Tony

Isaac

Chief

Executive Officer and President

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Apr. 20, 2026

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Entity File Number

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Entity Registrant Name

ALT5

SIGMA CORPORATION

Entity Central Index Key

0000862861

Entity Tax Identification Number

41-1454591

Entity Incorporation, State or Country Code

NV

Entity Address, Address Line One

8548

Rozita Lee Avenue

Entity Address, Address Line Two

Suite 305

Entity Address, City or Town

Las

Vegas

Entity Address, State or Province

NV

Entity Address, Postal Zip Code

89113

City Area Code

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Local Phone Number

997-5968

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ALTS

Security Exchange Name

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