Allison Transmission director granted dividend rights

Altmaier Judy L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Altmaier Judy L reported acquisition or exercise transactions in this Form 4 filing.

Allison Transmission Holdings Inc director Judy L. Altmaier received a grant of 54 Dividend Equivalent Rights tied to previously awarded deferred stock units. Each right is economically equivalent to one share of Allison Transmission common stock. Following this award, she holds 1,377 Dividend Equivalent Rights.

Insider Trade Summary

Grant/Award: 54 shares

Grant/Award 1 txn

Insider Altmaier Judy L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	54	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 1,377 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

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

What insider transaction did Allison Transmission (ALSN) report for Judy L. Altmaier?

Allison Transmission reported that director Judy L. Altmaier received a grant of 54 Dividend Equivalent Rights. These were awarded as a derivative acquisition and relate to previously granted deferred stock units, as disclosed in the Form 4 filing.

How many Dividend Equivalent Rights does the Allison Transmission (ALSN) director now hold?

After the latest grant, Judy L. Altmaier holds 1,377 Dividend Equivalent Rights. This total reflects her position in these derivative instruments following the 54-right award reported in the Form 4 filing for Allison Transmission Holdings Inc.

What are Dividend Equivalent Rights in the Allison Transmission (ALSN) Form 4?

Dividend Equivalent Rights are instruments that accrue on previously awarded deferred stock units and vest proportionately with those units. Each right is the economic equivalent of one share of Allison Transmission common stock, according to the Form 4 footnote disclosure.

Was the Allison Transmission (ALSN) director’s Form 4 transaction a market purchase or sale?

The Form 4 shows a grant classified under transaction code “A,” described as a grant, award, or other acquisition. It does not represent an open-market purchase or sale, but a compensation-related derivative award of Dividend Equivalent Rights.

How many shares of Allison Transmission (ALSN) common stock underlie the reported rights?

The reported grant covers 54 underlying shares of Allison Transmission common stock. Each Dividend Equivalent Right is economically equivalent to one share, matching the 54 rights granted and linking directly to previously awarded deferred stock units.

How do the Dividend Equivalent Rights at Allison Transmission (ALSN) vest?

The Dividend Equivalent Rights vest proportionately with the deferred stock units to which they relate. As those deferred stock units vest over time, the associated dividend equivalents follow the same schedule, according to the footnote in the Form 4 filing.

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

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Accepted by SEC EDGAR 03/24/2026 - 04:00 PM EDT 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 INDIANA 46222

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)	03/20/2026		A		54		(1)	(1)	Common Stock	54	$0	1,377	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	03/24/2026
	** 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.
* Form 4: SEC 1474 (03-26)