Allison Transmission (ALSN) exec settles PSUs, withholds shares for taxes

Rhea-AI Filing Summary

Allison Transmission Holdings Inc executive Bohley G Frederick reported equity compensation activity involving performance stock units and common shares. On February 28, 2026, he exercised 17,101 performance stock units, converting them into 17,101 shares of common stock at a stated price of $0.00 per share.

A separate transaction on the same date shows 7,580 common shares disposed of at $125.30 per share to cover tax withholding obligations upon PSU vesting. After these transactions, he directly owned 112,585 common shares, with an additional 360 shares held indirectly by his spouse.

Insider Trade Summary

Net Buyer: 9,521 shares

Net Buy 4 txns

Insider Bohley G Frederick

Role See Remarks

Type	Security	Shares	Price	Value
Exercise	Performance Stock Units	17,101	$0.00	$0.00
Exercise	Common Stock	17,101	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	7,580	$125.30	$950K
holding	Common Stock	--	--	--

Holdings After Transaction: Performance Stock Units — 0 shares (Direct); Common Stock — 112,585 shares (Direct); Common Stock — 360 shares (Indirect, By Spouse)

Footnotes (2)

1. F1. Settlement of performance-based restricted stock units ("PSUs") granted on February 22, 2023. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.
2. F2. Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of PSUs.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/03/2026 - 04:00 PM Learn about SEC filing dates

FAQ

What insider transactions did Bohley G Frederick report for ALSN?

Bohley G Frederick reported exercising 17,101 performance stock units into 17,101 shares of Allison Transmission common stock, and a separate disposition of 7,580 shares to satisfy tax withholding. These actions reflect equity compensation vesting rather than an open-market stock purchase or sale.

How many Allison Transmission (ALSN) shares did the insider acquire in this Form 4?

The insider acquired 17,101 shares of Allison Transmission common stock through the settlement of performance-based restricted stock units. Each unit represented the right to receive one share, increasing his direct share ownership before tax withholding-related dispositions reduced the net number of shares held.

Why were 7,580 ALSN shares disposed of in the reported transaction?

The 7,580 Allison Transmission shares were withheld to cover tax obligations arising from the vesting of performance stock units. This tax-withholding disposition, reported at $125.30 per share, is a common administrative step and does not represent an open-market sale initiated for investment reasons.

What is Bohley G Frederick’s share ownership in ALSN after these transactions?

After the reported transactions, Bohley G Frederick directly owned 112,585 shares of Allison Transmission common stock. In addition, 360 shares were reported as held indirectly by his spouse, reflecting both his personal holdings and related indirect beneficial ownership in the company.

What do the performance stock units (PSUs) in the ALSN Form 4 represent?

The performance stock units represent a form of equity compensation granted on February 22, 2023, that settled into common stock upon vesting. Each PSU entitled the holder to receive one share of Allison Transmission common stock when performance and vesting conditions were satisfied.

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^*

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)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

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
Common Stock	02/28/2026		M		17,101	A	(1)	120,165	D
Common Stock	02/28/2026		F		7,580(2)	D	$125.3	112,585	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
Performance Stock Units	(1)	02/28/2026		M			17,101	(1)	(1)	Common Stock	17,101	$0	0	D

Explanation of Responses:

1. Settlement of performance-based restricted stock units ("PSUs") granted on February 22, 2023. Each PSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.

2. Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of PSUs.

Remarks:

Title: President and Business Unit Leader Allison Transmission and Allison Chief Operating Officer

	/s/ Preston B. Ray, attorney-in-fact	03/03/2026
	** 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.
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