Allison director granted 3 dividend rights

Allison Transmission Holdings Inc (ALSN) director Sasha Ostojic reported an acquisition of 3 Dividend Equivalent Rights on August 31, 2026, bringing his directly held Dividend Equivalent Rights to 6.

Rhea-AI Filing Summary

Allison Transmission Holdings Inc (ALSN) director Sasha Ostojic reported an acquisition of 3 Dividend Equivalent Rights on August 31, 2026, bringing his directly held Dividend Equivalent Rights to 6. These rights accrued on previously awarded restricted stock units and are the economic equivalent of common shares, vesting proportionately with the related RSUs. No Rule 10b5-1 trading plan is reported for this grant.

Insider Trade Summary

Grant/Award: 3 shares

Grant/Award 1 txn

Insider Ostojic Sasha

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights F1	3	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 6 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.

Key Figures

Dividend Equivalent Rights granted: 3 rights Dividend Equivalent Rights held after transaction: 6 rights Grant price per Dividend Equivalent Right: $0.0000 per right +1 more

4 metrics

Dividend Equivalent Rights granted 3 rights Grant to director Sasha Ostojic on August 31, 2026

Dividend Equivalent Rights held after transaction 6 rights Total directly held by Sasha Ostojic following the grant

Grant price per Dividend Equivalent Right $0.0000 per right Reported transaction price for the August 31, 2026 award

Underlying common stock per right 1 share equivalent Each Dividend Equivalent Right is the economic equivalent of one ALSN common share

Key Terms

Dividend Equivalent Rights, restricted stock units ("RSUs"), economic equivalent

3 terms

Dividend Equivalent Rights financial

"The dividend equivalent rights accrued on previously awarded restricted stock units"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

restricted stock units ("RSUs") financial

"The dividend equivalent rights accrued on previously awarded restricted stock units ("RSUs")"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

economic equivalent financial

"Each dividend equivalent right is the economic equivalent of one share"

FAQ

What insider transaction did ALSN director Sasha Ostojic report?

He reported an acquisition of 3 Dividend Equivalent Rights on August 31, 2026, as a grant or award, increasing his directly held Dividend Equivalent Rights to 6 in total.

What are the Dividend Equivalent Rights reported for ALSN?

The filing states that the Dividend Equivalent Rights accrued on previously awarded restricted stock units and vest proportionately with those RSUs. Each right is described as the economic equivalent of one share of Allison Transmission Holdings Inc common stock.

Does Allison Transmission (ALSN) receive any proceeds from this Form 4 transaction?

No cash amount is reported. The transaction is a grant of 3 Dividend Equivalent Rights at a stated price of $0.0000 per right, reflecting a compensation-related award rather than a market purchase or sale.

Is the ALSN Form 4 transaction under a Rule 10b5-1 trading plan?

The document-level checkbox for Rule 10b5-1 is marked false, so the filing indicates no Rule 10b5-1 trading plan is associated with this reported grant of Dividend Equivalent Rights.

How does this Form 4 affect Sasha Ostojic’s derivative holdings in ALSN?

Following the August 31, 2026 grant of 3 Dividend Equivalent Rights, Sasha Ostojic is reported as directly holding 6 Dividend Equivalent Rights, each economically equivalent to one share of Allison Transmission Holdings Inc common stock.

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Available on EDGAR 09/02/2026 - 04:00 PM Accepted by SEC EDGAR 09/02/2026 - 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^*

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)
08/31/2026

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)	08/31/2026		A		3		(1)	(1)	Common Stock	3	$0	6	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	09/02/2026
	** 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)