Allison Transmission director granted 59 dividend equivalent rights

Allison Transmission Holdings Inc. director reports dividend-related award.

Rhea-AI Filing Summary

Allison Transmission Holdings Inc. director reports dividend-related award. A company director filed a Form 4 disclosing the acquisition of 59 dividend equivalent rights on 12/05/2025, tied to previously granted deferred stock units (DSUs). Each dividend equivalent right is the economic equivalent of one share of Allison Transmission common stock and vests in step with the related DSUs.

Following this transaction, the director beneficially owns 1,323 derivative securities, reflecting these rights and similar equity-linked awards. The transaction was reported as a derivative security acquisition at a price of $0, consistent with dividend equivalents credited on existing DSUs.

Insider Trade Summary

Grant/Award: 59 shares

Grant/Award 1 txn

Insider Altmaier Judy L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	59	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 1,323 contracts (Direct)

Footnotes (1)

1. F1. The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock.

FAQ

What insider transaction did Allison Transmission (ALSN) report?

A director reported acquiring 59 dividend equivalent rights on 12/05/2025, linked to previously awarded deferred stock units (DSUs), via a Form 4 filing.

What are the 59 dividend equivalent rights reported at Allison Transmission?

The 59 dividend equivalent rights are credits that accrue on previously awarded DSUs and are each the economic equivalent of one share of Allison Transmission common stock.

How many derivative securities does the Allison Transmission director now hold?

After the reported transaction, the director beneficially owns 1,323 derivative securities, including the newly credited dividend equivalent rights.

Did the Allison Transmission director pay cash for the dividend equivalent rights?

No cash was paid; the Form 4 lists a $0 price for the 59 dividend equivalent rights, reflecting accrual from dividends on existing DSUs.

How do the dividend equivalent rights at Allison Transmission vest?

The filing states the dividend equivalent rights vest proportionately with the related DSUs, meaning they follow the same vesting schedule as those deferred stock units.

What is the relationship of the reporting person to Allison Transmission (ALSN)?

The reporting person is identified as a Director of Allison Transmission Holdings Inc., according to the Form 4.

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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^*

Altmaier Judy L

(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		59		(1)	(1)	Common Stock	59	$0	1,323	D

Explanation of Responses:

1. The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs") and vest proportionately with the DSUs 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.