Director at Allison Transmission (NYSE: ALSN) granted dividend equivalent rights

Rhea-AI Filing Summary

Allison Transmission Holdings Inc director D. Scott Barbour reported an acquisition of derivative-based compensation. He received 4 dividend equivalent rights on March 20, 2026, bringing his total to 16 dividend equivalent rights held directly.

According to the disclosure, these dividend equivalent rights accrued on previously granted restricted stock units and will vest in step with those awards. Each right is described as the economic equivalent of one share of Allison Transmission common stock, making this a small, routine compensation-related adjustment rather than an open‑market trade.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider BARBOUR D. SCOTT

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights	4	$0.00	--

Holdings After Transaction: Dividend Equivalent Rights — 16 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^*

BARBOUR D. SCOTT

(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) report for D. Scott Barbour?

Allison Transmission director D. Scott Barbour reported receiving 4 dividend equivalent rights on March 20, 2026. These rights are tied to prior restricted stock unit awards and increase his directly held dividend equivalent rights to 16 in total.

What are the dividend equivalent rights reported for Allison Transmission (ALSN)?

The filing states the dividend equivalent rights accrued on previously awarded restricted stock units and vest proportionately with those units. Each right is described as the economic equivalent of one share of Allison Transmission Holdings Inc. common stock, providing stock-like value without being common shares themselves.

Did the Allison Transmission (ALSN) director buy or sell stock in this Form 4?

The Form 4 shows a grant-type acquisition, not a market trade. D. Scott Barbour received 4 dividend equivalent rights at a price of $0.0000 per right as compensation, increasing his total derivative-based rights to 16, with no reported open‑market buying or selling.

How large is the reported Allison Transmission (ALSN) Form 4 transaction?

The reported transaction is small in scale. It involves 4 dividend equivalent rights linked to restricted stock units, bringing the total to 16 such rights held directly. The transaction price per right is listed as $0.0000, indicating a compensation-related award rather than a purchase.

How do the dividend equivalent rights for Allison Transmission (ALSN) vest?

According to the footnote, the dividend equivalent rights vest proportionately with the restricted stock units to which they relate. As those underlying restricted stock units vest over time, the associated dividend equivalent rights vest in the same proportion, maintaining alignment with the existing equity awards.