Allison Transmission (ALSN) officer awarded 11,393 RSUs vesting from 2027

Rhea-AI Filing Summary

Allison Transmission Holdings Inc. reported that one of its officers received a grant of restricted stock units. On 01/01/2026, the reporting person was awarded 11,393 restricted stock units (RSUs), each representing a contingent right to receive one share of Allison Transmission common stock. The RSUs are scheduled to vest in three equal annual installments beginning on February 1, 2027, meaning the shares will be delivered over time rather than all at once. The reporting person serves as President and Business Unit Leader, Allison Off-Highway Drive & Motion Systems, and filed the form as an individual reporting person.

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^*

Price Craig C

(Last) (First) (Middle)

C/O ALLISON TRANSMISSION HOLDINGS, INC.

ONE ALLISON WAY

(Street)

INDIANAPOLIS IN 46222

(City) (State) (Zip)

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)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
01/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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
Restricted Stock Units	(1)	01/01/2026		A		11,393		(2)	(2)	Common Stock	11,393	$0	11,393	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Allison Transmission Holdings, Inc.'s ("ALSN") common stock.

2. The RSUs vest in three equal annual installments beginning on February 1, 2027.

Remarks:

Title: President and Business Unit Leader, Allison Off-Highway Drive & Motion Systems

	/s/ Preston B. Ray, Attorney-in-Fact	01/05/2026
	** 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.

FAQ

What insider transaction did Allison Transmission (ALSN) report in this Form 4?

The company reported that an officer received 11,393 restricted stock units (RSUs), each representing a right to receive one share of Allison Transmission common stock.

When do the new RSUs for Allison Transmission (ALSN) start vesting?

The RSUs begin vesting in three equal annual installments starting on February 1, 2027, with additional installments in the following two years.

What does each restricted stock unit represent for ALSN?

Each restricted stock unit represents a contingent right to receive one share of Allison Transmission Holdings Inc. common stock.

Who received the RSU grant at Allison Transmission (ALSN)?

The RSU grant was made to an officer of the company who holds the title President and Business Unit Leader, Allison Off-Highway Drive & Motion Systems.

Was this Allison Transmission (ALSN) Form 4 filed for more than one reporting person?

No. The document indicates that it is a Form filed by one reporting person, not a joint filing.

Are the reported RSUs in the Allison Transmission (ALSN) filing directly owned?

Yes. The filing shows 11,393 RSUs and an ownership form of Direct (D) following the reported transaction.