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

Rhea-AI Filing Summary

Bohley G. Frederick, Chief Operating Officer of Allison Transmission Holdings, Inc. (ALSN), reported the purchase of 3,000 shares of common stock on 08/14/2025 at a weighted-average price of $88.4999 per share. Following the purchase, the reporting person beneficially owns 99,074 shares directly plus 360 shares indirectly through a spouse. The filing is an amendment that corrects an administrative error in the originally reported weighted-average price (previously $89.4999). The amended Form 4/A was signed by an attorney-in-fact on 08/25/2025. This disclosure reflects a routine insider purchase and a clerical correction to the prior filing.

Positive

• Officer purchase disclosed, showing insider alignment with shareholders through acquisition of 3,000 shares.
• Amendment corrects the price which improves transparency and compliance with reporting obligations.

Negative

• Administrative error in the original Form 4 required an amendment to correct the weighted-average price.

Insights

Financial Analyst

TL;DR: A routine insider purchase with an amended filing to correct the reported weighted-average price; no material change to ownership.

The reported acquisition of 3,000 shares by the COO increases direct ownership to 99,074 shares, which is a modest holding relative to typical institutional positions. The amendment corrects the weighted-average price from $89.4999 to $88.4999, indicating an administrative reporting error rather than a substantive change to the transaction. This disclosure is transparent and complies with Section 16 reporting requirements; it does not on its own imply a material shift in company control or strategy.

Corporate Governance Expert

TL;DR: Corrected Form 4/A shows governance transparency; the change is clerical, and the transaction size is immaterial to control.

The amendment appropriately corrects the weighted-average price and provides the required clarity for public records. The insider is an executive officer, and the filing shows both direct and indirect holdings (spouse owns 360 shares), fulfilling disclosure norms. From a governance perspective, timely amendment of clerical errors is positive, and the transaction does not raise immediate concerns about conflicts or material governance shifts.

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
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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^*

Bohley G Frederick

(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)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)
08/25/2025

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
Common Stock	08/14/2025		P		3,000	A	$88.4999(1)(2)	99,074	D
Common Stock								360	I	By Spouse

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

Explanation of Responses:

1. The price reported is a weighted average price. The shares were purchased in multiple transactions at per share prices ranging from $88.49 to $88.50. The reporting person undertakes to provide Allison Transmission Holdings, Inc. ("ALSN") or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

2. This Form 4/A is being filed to amend the original Form 4 filed on August 15, 2025, solely to correct an administrative error in the weighted average price reported. The original filing reported a weighted average price of $89.4999 for the purchase transaction that occurred on August 14, 2025. The correct weighted average price is $88.4999.

	/s/ Preston B. Ray, attorney-in-fact	08/25/2025
	** 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.
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FAQ

What transaction did the ALSN insider report on Form 4/A?

The COO purchased 3,000 shares of Allison Transmission Holdings (ALSN) on 08/14/2025 at a weighted-average price of $88.4999 per share.

How many ALSN shares does the reporting person own after the purchase?

After the reported purchase the reporting person beneficially owns 99,074 shares directly, plus 360 shares indirectly through a spouse.

Why was a Form 4/A amendment filed for ALSN?

The amendment corrects an administrative error: the originally reported weighted-average purchase price of $89.4999 was corrected to $88.4999.

Who signed the amended Form 4/A for ALSN?

The amended Form 4/A was signed by Preston B. Ray, attorney-in-fact on behalf of the reporting person on 08/25/2025.

Does the Form 4/A indicate any derivative transactions for ALSN?

No. The filing lists only a non-derivative purchase of common stock and does not report derivative transactions.