[Form 4] BigBear.ai Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

BigBear.ai Holdings, Inc. Chief Executive Officer Kevin McAleenan reported routine tax-withholding share dispositions tied to restricted stock unit vesting. On April 1, 2026, 39,424 shares of Common Stock were withheld at $3.52 per share, leaving him with 1,452,070 shares held directly.

On March 31, 2026, an additional 22,392 shares were withheld at $3.04 per share for the same tax obligations. These Form 4 entries reflect shares withheld to satisfy taxes rather than open-market sales, and McAleenan continues to own a substantial direct position in BigBear.ai stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider McAleenan Kevin

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	39,424	$3.52	$139K
Tax Withholding	Common Stock	22,392	$3.04	$68K

Holdings After Transaction: Common Stock — 1,452,070 shares (Direct)

Footnotes (1)

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Key Figures

Tax-withheld shares (April 1, 2026): 39,424 shares at $3.52 Tax-withheld shares (March 31, 2026): 22,392 shares at $3.04 Total tax-withheld shares: 61,816 shares +2 more

5 metrics

Tax-withheld shares (April 1, 2026) 39,424 shares at $3.52 Common Stock withheld to satisfy tax obligations on RSU vesting

Tax-withheld shares (March 31, 2026) 22,392 shares at $3.04 Common Stock withheld to satisfy tax obligations on RSU vesting

Total tax-withheld shares 61,816 shares Sum of F-coded tax-withholding dispositions reported in this Form 4

Shares held after April 1, 2026 1,452,070 shares Direct ownership of BigBear.ai Common Stock by Kevin McAleenan

Shares held after March 31, 2026 1,491,494 shares Direct ownership immediately after the March 31 tax-withholding event

Key Terms

Form 4, restricted stock units, tax withholding obligations, Common Stock, +1 more

5 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

restricted stock units financial

"Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units."

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Chief Executive Officer financial

""officer_title": "Chief Executive Officer""

A chief executive officer (CEO) is the top leader of a company, responsible for making major decisions, setting goals, and guiding the organization’s overall direction. Think of the CEO as the captain of a ship, steering it toward success. Investors pay close attention to the CEO because their leadership and strategy can significantly influence the company's performance and future growth.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McAleenan Kevin

(Last) (First) (Middle)

C/O BIGBEAR AI HOLDINGS, INC.

7950 JONES BRANCH DRIVE

(Street)

MCLEAN VIRGINIA 22102

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BigBear.ai Holdings, Inc. [ BBAI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/31/2026		F		22,392(1)	D	$3.04	1,491,494	D
Common Stock	04/01/2026		F		39,424(1)	D	$3.52	1,452,070	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

Remarks:

	/s/ Sean Ricker as Attorney-in-Fact for Kevin McAleenan	04/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)