[Form 4] ALLISON TRANSMISSION HOLDINGS, INC. Insider Trading Activity

Rhea-AI Filing Summary

Philip J. Christman, a director of Allison Transmission Holdings, Inc. (ALSN), reported acquiring 135 shares of the company's common stock on 08/07/2025. The filing states these shares represent a quarterly payment of his annual retainer under the company's Eighth Amended and Restated Non-Employee Director Compensation Policy and were paid in common stock at his discretion.

The number of shares was calculated using a closing price of $87.41 on the date of grant. Following the transaction, the reporting person beneficially owned 8,644 shares. The Form 4 was signed by an attorney-in-fact on 08/11/2025.

Insights

Corporate Governance Expert

TL;DR: Routine director equity compensation reported; small, scheduled issuance tied to retainer policy.

The Form 4 documents a standard, non-derivative issuance of 135 shares to a non-employee director as a quarterly payment of an annual retainer under the company's stated director compensation policy. The filing explicitly notes the shares were calculated at a closing price of $87.41 and that the reporting person now beneficially owns 8,644 shares. This is a compliance disclosure of an expected compensation event rather than an unusual governance action.

Securities Analyst

TL;DR: Insider purchase is a small, routine issuance; immaterial to company valuation based on disclosed figures.

The transaction is recorded as an acquisition of 135 common shares on 08/07/2025 tied to director retainer compensation. The report provides the price basis used to calculate shares ($87.41) and the post-transaction beneficial ownership (8,644 shares). The Form 4 was filed by one reporting person and signed by an attorney-in-fact on 08/11/2025. The disclosure is concise and confined to compensation-driven share issuance.

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

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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^*

Christman Philip J

(Last) (First) (Middle)

C/O ALLISON TRANSMISSION HOLDINGS, INC.

ONE ALLISON WAY

(Street)

INDIANAPOLIS IN 46222

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Allison Transmission Holdings Inc [ ALSN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025

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

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

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

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(1)	08/07/2025		A		135(2)	A	$0	8,644	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. These shares represent a quarterly payment of the reporting person's annual retainer under the Allison Transmission Holdings, Inc. (the "Company") Eighth Amended and Restated Non-Employee Director Compensation Policy. The annual retainer is paid quarterly in arrears in cash or common stock at the reporting person's discretion.

2. The number of shares of common stock received was calculated based on $87.41, which was the closing price of the Company's common stock on the date of grant.

	/s/ Preston B. Ray, attorney-in-fact	08/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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