Dividend rights granted to Allison (NYSE: ALSN) CFO Scott Mell

Rhea-AI Filing Summary

Mell Scott A reported acquisition or exercise transactions in this Form 4 filing.

Allison Transmission Holdings reported a routine compensation-related transaction for its CFO & Treasurer Scott A. Mell. He received a grant of 40 dividend equivalent rights, each economically equal to one share of common stock, bringing his holdings of these rights to 94, tied to previously awarded RSUs.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mell Scott A

Role CFO & Treasurer

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	40	$0.00	--

Holdings After Transaction: Dividend Equivalent Rights — 94 shares (Direct)

Footnotes (1)

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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^*

Mell Scott A

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO & Treasurer

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		40		(1)	(1)	Common Stock	40	$0	94	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, as 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) report for Scott A. Mell?

Allison Transmission reported that CFO & Treasurer Scott A. Mell received a grant of 40 dividend equivalent rights. These rights are tied to previously awarded RSUs and represent routine equity-based compensation rather than an open-market purchase or sale of common stock.

What are the dividend equivalent rights granted in the ALSN Form 4 filing?

The filing shows 40 dividend equivalent rights were granted. According to the disclosure, each dividend equivalent right is the economic equivalent of one share of Allison Transmission common stock and accrues and vests proportionately with the underlying restricted stock units (RSUs).

How many dividend equivalent rights does the ALSN CFO hold after this transaction?

After the reported transaction, CFO & Treasurer Scott A. Mell holds a total of 94 dividend equivalent rights directly. These rights relate to previously granted RSUs and provide economic value similar to owning the same number of Allison Transmission common shares.

Is the ALSN Form 4 transaction an open-market buy or sell of shares?

No. The Form 4 describes a grant/award acquisition of dividend equivalent rights, not an open-market trade. The transaction is coded as an A (award) and reflects routine equity compensation linked to existing RSUs, with no stated market purchase or sale.

How do the ALSN dividend equivalent rights vest for the CFO’s award?

The disclosure states that the dividend equivalent rights accrue on previously awarded RSUs and vest proportionately with the RSUs to which they relate. This means their vesting schedule follows the same timeline as the underlying restricted stock unit awards.