Allison files Form 144 reporting 1,791-share sale

Allison Transmission Holdings submitted a Form 144 reporting an intended sale by an affiliate and recent equity vestings.

Accepted by SEC EDGAR 03/02/2026 - 05:12 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Allison Transmission Holdings submitted a Form 144 reporting an intended sale by an affiliate and recent equity vestings. The filing records a sale of 1,791 common shares on 12/31/2025 for $176,932.89. The filing also lists restricted stock unit vestings of 466, 951, and 1,286 shares on 02/19/2026, 02/21/2026, and 02/22/2026, respectively.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Allison (ALSN) disclose in this Form 144?

The filing reports a sale of 1,791 common shares on 12/31/2025 for $176,932.89, and lists recent RSU vestings in February 2026 totaling 2,703 shares across three vesting dates.

Who sold shares according to the Allison (ALSN) filing?

The excerpt shows a sale attributed to John Coll of 1,791 common shares on 12/31/2025 for $176,932.89, as reported in the Form 144 filing details.

What restricted stock unit vestings are listed in the filing for Allison (ALSN)?

The filing lists RSU vestings of 466 shares on 02/19/2026, 951 shares on 02/21/2026, and 1,286 shares on 02/22/2026, granted under the issuer's equity compensation plan.

Does the Form 144 indicate proceeds received by Allison (ALSN)?

The disclosed sale shows proceeds of $176,932.89 tied to the 1,791-share transaction on 12/31/2025. The filing does not attribute those proceeds to the issuer in the excerpt provided.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001687117
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Allison Transmission Holdings Inc
SEC File Number	001-35456
Address of Issuer	ONE ALLISON WAY Indianapolis INDIANA 46222
Phone	(317) 242-5000
Name of Person for Whose Account the Securities are To Be Sold	Coll John
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Merrill Lynch 225 Liberty Street Floor 37 New York NY 10281	2703	342778.24	82805592	03/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	02/19/2026	Vesting of restricted stock unit award	Allison Transmission Holdings Inc			466	02/19/2026	Granted as part of issuer equity compensation plan
Common Stock	02/21/2026	Vesting of restricted stock unit award	Allison Transmission Holdings Inc			951	02/21/2026	Granted as part of issuer equity compensation plan
Common Stock	02/22/2026	Vesting of restricted stock unit award	Allison Transmission Holdings Inc			1286	02/22/2026	Granted as part of issuer equity compensation plan

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John Coll ONE ALLISON WAY Indianapolis IN 46222	Common Stock	12/31/2025	1791	176932.89

144: Remarks and Signature

Remarks
Date of Notice	03/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	John Coll
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)