Allison Transmission (NYSE: ALSN) director reports new dividend equivalent rights

Rhea-AI Filing Summary

Allison Transmission Holdings Inc. reported a small insider equity update involving a company director. On 12/05/2025, the director received 4 dividend equivalent rights that are tied to previously granted restricted stock units (RSUs). These rights vest in the same proportion and at the same time as the related RSUs.

Each dividend equivalent right is described as the economic equivalent of one share of Allison Transmission common stock, with an exercise price of $0. After this transaction, the director beneficially owned 12 dividend equivalent rights in total, held as a direct interest. The filing clarifies that these awards arise from the company’s existing equity compensation structure rather than an open-market purchase or sale.

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)
12/05/2025

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

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
Dividend Equivalent Rights	(1)	12/05/2025		A		4		(1)	(1)	Common Stock	4	$0	12	D

Explanation of Responses:

1. The dividend equivalent rights accrued on previously awarded restricted stock units ("RSUs") and vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

	/s/ Preston B. Ray, attorney-in-fact	12/09/2025
	** 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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FAQ

What did Allison Transmission (ALSN) report in this Form 4 filing?

The filing shows that a director of Allison Transmission Holdings Inc. received 4 dividend equivalent rights on 12/05/2025 tied to previously granted RSUs.

What are the dividend equivalent rights reported for ALSN?

The dividend equivalent rights accrue on previously awarded restricted stock units (RSUs) and vest proportionately with those RSUs. Each right is the economic equivalent of one share of Allison Transmission common stock.

How many dividend equivalent rights does the ALSN director own after this transaction?

After the reported transaction, the director beneficially owned 12 dividend equivalent rights, all reported as held in direct ownership.

Was there any purchase price for the ALSN dividend equivalent rights?

No cash price was involved; the table lists the price of the derivative security as $0, reflecting that these rights accrue as part of the RSU award rather than an open-market purchase.

Do the ALSN dividend equivalent rights vest immediately?

No. The disclosure states that the dividend equivalent rights vest proportionately with the RSUs to which they relate, so their vesting follows the same schedule as the underlying restricted stock units.

What class of stock underlies the reported ALSN derivative securities?

The derivative securities are tied to Allison Transmission Holdings Inc. common stock, with each dividend equivalent right equal in economic value to one share of that common stock.