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Allison Transmission (NYSE: ALSN) executive reports RSU vesting and tax-share withholding

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Allison Transmission Holdings insider G. Frederick Bohley reported routine equity award activity. On 2026-06-04, restricted stock units and related dividend equivalent rights vested, resulting in the acquisition of 543 shares of common stock.

To cover tax obligations on this vesting, 242 shares were withheld by the company. After these transactions, Bohley holds 112,886 shares of Allison Transmission common stock directly and 360 shares indirectly through his spouse. The filing reflects compensation-related vesting rather than open-market buying or selling.

Positive

  • None.

Negative

  • None.
Insider Bohley G Frederick
Role See Remarks
Type Security Shares Price Value
Exercise Restricted Stock Units 533 $0.00 --
Exercise Dividend Equivalent Rights 10 $0.00 --
Exercise Common Stock 533 $0.00 --
Exercise Common Stock 10 $0.00 --
Tax Withholding Common Stock 242 $118.38 $29K
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 534 shares (Direct, null); Dividend Equivalent Rights — 170 shares (Direct, null); Common Stock — 113,118 shares (Direct, null); Common Stock — 360 shares (Indirect, By Spouse)
Footnotes (1)
  1. Settlement of restricted stock units ("RSUs") granted on June 4, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock. Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock. Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs.
RSU and DER shares vested 543 shares Shares acquired upon settlement of RSUs and dividend equivalent rights on 2026-06-04
Shares withheld for taxes 242 shares Withheld by Allison Transmission to satisfy tax obligations on vesting
Direct holdings after transactions 112,886 shares Common stock directly owned by Bohley following 2026-06-04 transactions
Indirect holdings via spouse 360 shares Common stock held indirectly through spouse as of 2026-06-04
RSU shares converted 533 shares Common stock received from restricted stock units exercise (code M) on 2026-06-04
Dividend equivalent rights converted 10 rights / 10 shares Dividend equivalent rights settled into common stock on 2026-06-04
Tax-withheld share price $118.38 per share Value used for 242-share tax-withholding disposition on 2026-06-04
Restricted Stock Units financial
"Settlement of restricted stock units ("RSUs") granted on June 4, 2024."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Dividend Equivalent Rights financial
"Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid"
Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.
tax withholding obligations financial
"Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs."
derivative exercise/conversion financial
"transaction_action: "derivative exercise/conversion" for RSUs and DERs into common stock"
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SEC Form 4
FORM 4UNITED 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 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
See Remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/04/2026M533A(1)113,118D
Common Stock06/04/2026M10A(2)113,128D
Common Stock06/04/2026F242(3)D$118.38112,886D
Common Stock360IBy 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)06/04/2026M533 (1) (1)Common Stock533$0534D
Dividend Equivalent Rights(2)06/04/2026M10 (2) (2)Common Stock10$0170D
Explanation of Responses:
1. Settlement of restricted stock units ("RSUs") granted on June 4, 2024. Each RSU represents a contingent right to receive one share of Allison Transmission Holdings, Inc. ("ALSN") common stock.
2. Settlement of dividend equivalent rights ("DERs"). The DERs accrued when and as dividends were paid on ALSN common stock and vest proportionately with the RSU to which they relate. Each DER is the economic equivalent of one share of ALSN common stock.
3. Represents shares withheld by ALSN to satisfy tax withholding obligations on the vesting of RSUs and DERs.
/s/ Preston B. Ray, attorney-in-fact06/08/2026
** Signature of Reporting PersonDate
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 transactions did ALSN executive G. Frederick Bohley report?

Bohley reported vesting of restricted stock units and dividend equivalent rights, acquiring 543 Allison Transmission shares. The company withheld 242 shares to satisfy tax obligations, leaving him with 112,886 direct shares and 360 indirect shares held via his spouse.

Did G. Frederick Bohley buy or sell ALSN stock on the open market?

The filing does not show any open-market purchases or sales. It reports equity award vesting and a tax-withholding disposition, where 242 shares were withheld by Allison Transmission to cover taxes on vested RSUs and dividend equivalent rights.

How many Allison Transmission shares does Bohley own after this Form 4?

Following the reported transactions, Bohley directly owns 112,886 shares of Allison Transmission common stock. He also has indirect ownership of 360 additional shares held by his spouse, as disclosed in the Form 4 filing.

What are the RSUs and DERs mentioned in the ALSN Form 4 filing?

The RSUs are restricted stock units granted on June 4, 2024, each representing one ALSN share. Dividend equivalent rights accrued as dividends were paid and are economically equivalent to ALSN shares, vesting proportionately with the related RSUs upon settlement.

How many ALSN shares were used to cover Bohley’s tax obligations?

Allison Transmission withheld 242 shares of common stock to satisfy Bohley’s tax withholding obligations. These shares relate to the vesting of restricted stock units and associated dividend equivalent rights reported in the Form 4.