[Form 4] ALLISON TRANSMISSION HOLDINGS, INC. Insider Trading Activity

Rhea-AI Filing Summary

Insider transaction reported for Allison Transmission Holdings, Inc. (ALSN). Coll John, identified as SVP, Global MSS and an officer of the company, reported a derivative-to-common conversion on 08/29/2025 that resulted in 19 shares of common stock being acquired as dividend equivalent rights tied to previously awarded restricted stock units (RSUs). After the transaction, the reporting person beneficially owned 133 shares of common stock. The filing was signed by attorney-in-fact Preston B. Ray on 09/03/2025. The disclosure states each dividend equivalent right is economically equivalent to one share and vests proportionately with the related RSUs.

Insights

Securities Analyst

TL;DR: Small, routine RSU dividend-equivalent conversion; immaterial to share count or control.

This Form 4 documents a conversion of accrued dividend equivalent rights into 19 shares of common stock tied to existing RSUs for an officer. The amount is minor relative to typical outstanding shares and appears to be an administrative vesting-related event rather than an open-market purchase or sale. There is no price paid and no change in ownership form beyond direct beneficial ownership. For investors, this is a routine insider vesting disclosure with no evident impact on capital structure.

Corporate Governance Expert

TL;DR: Compliance-focused filing that documents standard RSU-related dividend equivalents vesting.

The filing meets Section 16 reporting requirements by documenting the accrual and conversion of dividend equivalents associated with previously granted RSUs for an officer. The report clarifies the economic equivalence of the rights to shares and confirms direct beneficial ownership of 133 shares post-transaction. There are no indications of policy exceptions, related-party transactions beyond the officer’s compensation plan, or material governance actions disclosed in this Form 4.

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^*

Coll John

(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)
	SVP, Global MSS

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

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
Dividend Equivalent Rights	(1)	08/29/2025		A		19		(1)	(1)	Common Stock	19	$0	133	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	09/03/2025
	** 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 did the Form 4 filed for ALSN report?

It reported the conversion of 19 dividend equivalent rights into common stock related to RSUs for officer Coll John on 08/29/2025.

How many shares does the reporting person own after the transaction?

The reporting person beneficially owned 133 shares following the reported transaction.

Was any cash consideration paid for the shares in this transaction?

No price was reported; the 19 shares were acquired as dividend equivalent rights with a reported price of $0.

Who signed the Form 4 and when was it signed?

The form was signed by attorney-in-fact Preston B. Ray on 09/03/2025.

What is the nature of the dividend equivalent rights?

The filing states each dividend equivalent right is the economic equivalent of one share and vests proportionately with the related RSUs.