Allison Transmission (ALSN) CEO adds 154 dividend equivalent rights tied to RSUs

Rhea-AI Filing Summary

Allison Transmission Holdings, Inc. reported an insider equity-related transaction by its Chair, President and CEO, who is also a director. On 12/05/2025, the executive acquired 154 dividend equivalent rights linked to previously granted restricted stock units (RSUs). Each dividend equivalent right represents the economic value of one share of Allison Transmission common stock and vests in step with the related RSUs.

Following this transaction, the executive beneficially owned 1,244 derivative securities, held directly. The filing clarifies that these rights arise from prior equity awards and do not involve a cash exercise price, as they are listed with a price of $0. This is a routine update to reflect ongoing accrual of dividend equivalents on existing RSU awards.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Graziosi David S.

Role Chair, President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	154	$0.00	--

Holdings After Transaction: Dividend Equivalent Rights — 1,244 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Graziosi David S.

(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
X	Officer (give title below)		Other (specify below)
	Chair, President and CEO

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		154		(1)	(1)	Common Stock	154	$0	1,244	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 company reported that its Chair, President and CEO acquired 154 dividend equivalent rights on 12/05/2025, tied to previously granted restricted stock units.

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

The filing states that each dividend equivalent right accrued 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) CEO own after this transaction?

After the reported transaction, the executive beneficially owned 1,244 derivative securities, held in a direct ownership form.

Did the Allison Transmission (ALSN) CEO pay a price for the new derivative securities?

The reported dividend equivalent rights are shown with a derivative security price of $0, indicating they accrue as part of existing RSU awards rather than being purchased for cash.

What roles does the reporting person hold at Allison Transmission (ALSN)?

The reporting person is identified as a Director and as an Officer, serving as Chair, President and CEO of Allison Transmission Holdings, Inc.

Is this Allison Transmission (ALSN) Form 4 filed by one or multiple reporting persons?

The document indicates that it is a Form filed by One Reporting Person, not a joint or group filing.