Allison Transmission (ALSN) officer files Form 4 for dividend equivalent rights

Rhea-AI Filing Summary

Allison Transmission Holdings Inc. insider activity: Form 4 filing

An officer of Allison Transmission Holdings Inc., listed as SVP, Global MSS, reported a routine equity-related transaction. On 12/05/2025, the insider acquired 18 dividend equivalent rights tied to previously granted restricted stock units (RSUs). Each dividend equivalent right is described as the economic equivalent of one share of Allison Transmission common stock and vests proportionately with the underlying RSUs. Following this transaction, the insider held 151 derivative securities in the form of these dividend equivalent rights, with an acquisition price of $0. The filing indicates it was made by a single reporting person, and the signature was provided by an attorney-in-fact.

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^*

Coll John

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Global MSS

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		18		(1)	(1)	Common Stock	18	$0	151	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).
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.

FAQ

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

The Form 4 shows that an officer of Allison Transmission Holdings Inc. (ALSN) acquired 18 dividend equivalent rights on 12/05/2025 related to previously awarded restricted stock units.

Who is the reporting person in the Allison Transmission (ALSN) Form 4 filing?

The reporting person is identified as an officer of Allison Transmission Holdings Inc., with the title SVP, Global MSS, and the form is filed by one reporting person.

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

The filing explains that dividend equivalent rights accrued on previously awarded RSUs and vest proportionately with those RSUs. Each right is the economic equivalent of one share of Allison Transmission common stock.

How many derivative securities does the Allison Transmission (ALSN) insider own after this transaction?

After acquiring 18 dividend equivalent rights, the insider beneficially owns 151 derivative securities, all in the form of dividend equivalent rights linked to common stock.

Was there any cash consideration for the dividend equivalent rights reported by Allison Transmission (ALSN)?

No cash was paid for these instruments; the Form 4 lists the price of the derivative security as $0, reflecting that the rights accrued on existing RSUs.

Who signed the Allison Transmission (ALSN) Form 4 reporting this transaction?

The Form 4 was signed by /s/ Preston B. Ray as attorney-in-fact for the reporting person, with a signature date of 12/09/2025.