Booz Allen Hamilton: CFO's 570 shares delivered or withheld

A 10,012-unit vesting schedule changed from three equal installments over three years to quarterly installments over three years.

Available on EDGAR 11/09/2026 - 08:08 PM EST Accepted by SEC EDGAR 11/09/2026 - 08:08 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Booz Allen Hamilton Holding Corp EVP and Chief Financial Officer Troy Lahr reported 570 Class A common shares delivered or withheld for payment of exercise price or tax liability on November 6, 2026, at $89.32 per share; his reported holdings afterward were 46,985 shares. No Rule 10b5-1 plan is reported.

On October 20, 2026, the company modified vesting for 10,012 restricted stock units: approximately 16.67% vested November 6, and the remaining approximately 83.33% will vest in ten equal quarterly installments beginning January 13, 2027, subject to continued service.

Insider Trade Summary

Exercise Price or Tax Liability: 570 shares

Exercise Price or Tax Liability 1 txn

Insider Lahr Troy

Role EVP & Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock F1, F2	570	$89.32	$51K

Holdings After Transaction: Class A Common Stock — 46,985 shares (Direct)

Footnotes (2)

1. F1. Exempt under Rule 16b-3.
2. F2. Includes restricted stock units. On October 20, 2026, the Compensation, Culture and People Committee of the Board of Directors of the Issuer approved a modification to the vesting schedule applicable to 10,012 of the restricted stock units previously granted to the Reporting Person on May 26, 2026. The restricted stock units were originally scheduled to vest in three equal installments over a three-year period, but will instead vest on a quarterly basis over a three-year period. Approximately 16.67% of the restricted stock units vested on November 6, 2026 (to account for the quarterly installment that would otherwise have vested during the first fiscal quarter of fiscal year 2027) and the remaining approximately 83.33% will vest in ten equal quarterly installments beginning on January 13, 2027, subject to the Reporting Person's continued service through each applicable vesting date.

Key Figures

Shares delivered or withheld: 570 shares Reported price per share: $89.32 per share Direct shares held after transaction: 46,985 shares +3 more

6 metrics

Shares delivered or withheld 570 shares November 6, 2026

Reported price per share $89.32 per share November 6, 2026 transaction

Direct shares held after transaction 46,985 shares After the November 6, 2026 transaction

Restricted stock units with modified vesting 10,012 units Vesting modification approved October 20, 2026

Restricted stock units vested Approximately 16.67% November 6, 2026

Restricted stock units remaining to vest Approximately 83.33% Ten equal quarterly installments beginning January 13, 2027, subject to continued service

Key Terms

restricted stock units, vesting schedule, Rule 16b-3

3 terms

restricted stock units financial

"10,012 of the restricted stock units previously granted"

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.

vesting schedule financial

"approved a modification to the vesting schedule"

A vesting schedule is a timeline that determines when someone gains full ownership of certain benefits, such as company stock or retirement contributions. Think of it like earning the right to own a gift gradually over time, rather than receiving it all at once. It matters to investors because it affects when they can fully access or sell these benefits, influencing their financial planning and decision-making.

Rule 16b-3 regulatory

"Exempt under Rule 16b-3."

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many BAH shares did CFO Troy Lahr deliver or have withheld?

Troy Lahr reported 570 shares delivered or withheld for payment of exercise price or tax liability on November 6, 2026, at $89.32 per share. His reported direct holdings afterward were 46,985 shares.

What changed in Troy Lahr's restricted stock unit vesting schedule?

The Compensation, Culture and People Committee approved the change on October 20, 2026. The 10,012 restricted stock units were originally scheduled to vest in three equal installments over three years; they will instead vest quarterly over three years, subject to continued service.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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^*

Lahr Troy

(Last) (First) (Middle)

8283 GREENSBORO DRIVE

(Street)

MCLEAN VIRGINIA 22102

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Booz Allen Hamilton Holding Corp [ BAH ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2026

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
Class A Common Stock	11/06/2026		F		570(1)	D	$89.32	46,985(2)	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. Exempt under Rule 16b-3.

2. Includes restricted stock units. On October 20, 2026, the Compensation, Culture and People Committee of the Board of Directors of the Issuer approved a modification to the vesting schedule applicable to 10,012 of the restricted stock units previously granted to the Reporting Person on May 26, 2026. The restricted stock units were originally scheduled to vest in three equal installments over a three-year period, but will instead vest on a quarterly basis over a three-year period. Approximately 16.67% of the restricted stock units vested on November 6, 2026 (to account for the quarterly installment that would otherwise have vested during the first fiscal quarter of fiscal year 2027) and the remaining approximately 83.33% will vest in ten equal quarterly installments beginning on January 13, 2027, subject to the Reporting Person's continued service through each applicable vesting date.

Remarks:

	By: /s/ Jamie Weatherby, as Attorney-in-Fact for Troy Lahr	11/09/2026
	** 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)