Allison Transmission CFO receives 18 dividend equivalent rights

Allison Transmission Holdings (ALSN) reported an insider equity-related transaction by its Chief Financial Officer and Treasurer.

Rhea-AI Filing Summary

Allison Transmission Holdings (ALSN) reported an insider equity-related transaction by its Chief Financial Officer and Treasurer. On 12/05/2025, the officer received 18 dividend equivalent rights tied to previously granted restricted stock units. These rights vest on the same schedule as the related RSUs and each right is economically equal to one share of Allison Transmission common stock. After this transaction, the officer beneficially owned 54 derivative securities in the form of dividend equivalent rights, all held directly.

Insider Trade Summary

Grant/Award: 18 shares

Grant/Award 1 txn

Insider Mell Scott A

Role CFO & Treasurer

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	18	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 54 contracts (Direct)

Footnotes (1)

1. F1. 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.

FAQ

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

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

The company reported that its CFO & Treasurer acquired 18 dividend equivalent rights on 12/05/2025 that are tied to prior restricted stock unit awards.

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

Each dividend equivalent right accrues on previously awarded RSUs and is the economic equivalent of one share of Allison Transmission common stock, vesting proportionately with the related RSUs.

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

Following the reported transaction, the officer beneficially owned 54 dividend equivalent rights as derivative securities, held directly.

What was the price of the dividend equivalent rights granted at Allison Transmission (ALSN)?

The reported dividend equivalent rights were granted at a price of $0, reflecting a compensatory equity award rather than a market purchase.

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

The reporting person is an officer of Allison Transmission Holdings Inc., serving as CFO & Treasurer, filing individually on this Form 4.

Do the dividend equivalent rights at Allison Transmission (ALSN) vest immediately?

No. The filing states that the dividend equivalent rights vest proportionately with the restricted stock units to which they relate.

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

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Accepted by SEC EDGAR 12/09/2025 - 04:00 PM Learn about SEC filing dates

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^*

Mell Scott A

(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)
	CFO & Treasurer

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	54	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, as 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.