Allison Transmission (ALSN) director reports 4 new dividend equivalent rights

Rhea-AI Filing Summary

Allison Transmission Holdings Inc. director reports small equity-linked award. A board member of Allison Transmission Holdings Inc. (ticker ALSN) filed a Form 4 disclosing the acquisition of 4 dividend equivalent rights on 12/05/2025. These rights are tied to previously granted restricted stock units (RSUs) and were received at a price of $0 as part of the normal operation of those awards. After this transaction, the reporting person beneficially owns 12 dividend equivalent rights, each economically equivalent to one share of Allison common stock and vesting in step with the related RSUs.

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^*

Perna Gustave

(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.
* 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).
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FAQ

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

A director of Allison Transmission Holdings Inc. reported acquiring 4 dividend equivalent rights on 12/05/2025 at a price of $0 as part of existing RSU awards.

What are the dividend equivalent rights reported by Allison Transmission (ALSN)?

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

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

Following the reported transaction, the director beneficially owns 12 dividend equivalent rights, based on the amount shown in the derivative securities table after the acquisition of 4 additional rights.

Was this Allison Transmission (ALSN) Form 4 filed for a director or an officer?

The form identifies the reporting person’s relationship to Allison Transmission Holdings Inc. as a Director, with no officer title or 10% owner status checked.

Does this Allison Transmission Form 4 involve derivative securities?

Yes. The activity is reported in Table II – Derivative Securities and relates to dividend equivalent rights, which are derivative securities tied to the company’s common stock via RSUs.

Do the dividend equivalent rights for the Allison Transmission director vest immediately?

The filing explains that the dividend equivalent rights vest proportionately with the RSUs to which they relate, rather than as a separate immediate vesting event.