Allison Transmission (ALSN) director receives grant of Dividend Equivalent Rights

Rhea-AI Filing Summary

Ostojic Sasha reported acquisition or exercise transactions in this Form 4 filing.

Allison Transmission Holdings Inc director Sasha Ostojic received a small compensation-related award of derivative rights tied to company stock. On the reported date, Ostojic was granted 4 Dividend Equivalent Rights linked to previously awarded restricted stock units, bringing his total to 16 such rights held directly.

Each Dividend Equivalent Right is economically equal to one share of Allison Transmission common stock and vests in step with the underlying restricted stock units. This is a routine equity-based compensation adjustment rather than an open-market purchase or sale of shares.

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^*

Ostojic Sasha

(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		4		(1)	(1)	Common Stock	4	$0	16	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	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)

FAQ

What insider transaction did Allison Transmission (ALSN) director Sasha Ostojic report?

Director Sasha Ostojic reported receiving 4 Dividend Equivalent Rights as an equity-based compensation adjustment. These rights are linked to earlier restricted stock unit grants and increase his directly held Dividend Equivalent Rights to 16 in total, without involving any open-market buying or selling.

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

Dividend Equivalent Rights are derivative awards that mirror dividends on previously granted restricted stock units. In this case, each right is economically equal to one share of Allison Transmission common stock and vests proportionately with the related RSUs, aligning compensation with shareholder returns over time.

How many Dividend Equivalent Rights does Sasha Ostojic hold after this Allison Transmission (ALSN) transaction?

After the reported transaction, Sasha Ostojic holds 16 Dividend Equivalent Rights directly. The Form 4 shows he was granted 4 new rights on top of an existing balance, reflecting ongoing accruals tied to his previously awarded restricted stock units rather than fresh market purchases.

Does the Allison Transmission (ALSN) Form 4 show any open-market stock purchases or sales by Sasha Ostojic?

The Form 4 does not show any open-market purchases or sales. It reports a single compensation-related acquisition coded as a grant of 4 Dividend Equivalent Rights, which are derivative awards linked to restricted stock units, not direct trading of common shares in the market.

How do the Dividend Equivalent Rights in this Allison Transmission (ALSN) filing vest?

The Dividend Equivalent Rights vest proportionately with the restricted stock units to which they relate. As each underlying RSU vests, the corresponding Dividend Equivalent Right also vests, maintaining an economic equivalence to one share of Allison Transmission common stock for each vested right.