Allison Transmission (ALSN) director awarded 59 dividend equivalent rights in Form 4 filing

Rhea-AI Filing Summary

HAZNEDAR CAROLANN I reported acquisition or exercise transactions in this Form 4 filing.

Allison Transmission Holdings Inc director Carolann I. Haznedar received a grant of 59 Dividend Equivalent Rights on May 29, 2026. These rights accrued on previously awarded deferred stock units and vest in step with those units.

Each Dividend Equivalent Right is economically equal to one share of common stock, increasing Haznedar’s derivative-based stake to 1,555 such rights. This is a compensation-related award rather than an open-market trade.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider HAZNEDAR CAROLANN I

Role null

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

Holdings After Transaction: Dividend Equivalent Rights — 1,555 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Dividend Equivalent Rights granted: 59 rights Dividend Equivalent Rights after transaction: 1,555 rights Transaction price per right: $0.0000 +1 more

4 metrics

Dividend Equivalent Rights granted 59 rights Grant on May 29, 2026 to director Haznedar

Dividend Equivalent Rights after transaction 1,555 rights Total derivative-based rights following grant

Transaction price per right $0.0000 Grant of Dividend Equivalent Rights

Underlying common stock equivalence 1 right = 1 share Each right is economic equivalent of one common share

Key Terms

Dividend Equivalent Rights, deferred stock units ("DSUs"), economic equivalent

3 terms

Dividend Equivalent Rights financial

"The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs")"

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.

deferred stock units ("DSUs") financial

"The dividend equivalent rights accrued on previously awarded deferred stock units ("DSUs")"

economic equivalent financial

"Each dividend equivalent right is the economic equivalent of one share of Allison Transmission Holdings, Inc. common stock."

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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^*

HAZNEDAR CAROLANN I

(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)
05/29/2026

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)	05/29/2026		A		59		(1)	(1)	Common Stock	59	$0	1,555	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	06/02/2026
	** 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)

FAQ

What did Allison Transmission (ALSN) director Carolann Haznedar report in this Form 4?

Carolann Haznedar reported receiving 59 Dividend Equivalent Rights as a compensation-related award. These rights accrue on previously granted deferred stock units and are economically equal to common shares, bringing her total dividend equivalent rights position to 1,555 after the grant.

Are the Allison Transmission (ALSN) Dividend Equivalent Rights a market purchase or sale?

The 59 Dividend Equivalent Rights are a grant, not a market trade. They represent a compensation-related acquisition tied to existing deferred stock units, rather than an open-market purchase or sale of Allison Transmission Holdings Inc common stock by the director.

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

Following the grant, Carolann Haznedar holds 1,555 Dividend Equivalent Rights. Each right is economically equivalent to one share of Allison Transmission common stock and vests proportionately with the underlying deferred stock units that gave rise to the award.

What are Dividend Equivalent Rights in the context of Allison Transmission (ALSN)?

Dividend Equivalent Rights are awards that mirror dividends on underlying deferred stock units. For Allison Transmission, each right is economically equal to one share of common stock and vests on the same schedule as the related deferred stock units previously granted to the director.

Does this Allison Transmission (ALSN) Form 4 indicate a change in ownership strategy?

This Form 4 reflects a routine compensation grant of 59 Dividend Equivalent Rights, not an active trading decision. The award accrues automatically on previously granted deferred stock units, so it does not by itself indicate a new ownership or trading strategy by the director.