What was the reference share price for Sasha Ostojic’s new RSU grant at Allison Transmission (ALSN)?

The number of RSUs granted to Ostojic was calculated using a share price of $123.02. This figure reflects the closing price of Allison Transmission’s common stock on the grant date and determined how many RSUs corresponded to the intended grant value under the compensation policy.

Allison Transmission director awarded 1,503 RSUs

Allison Transmission Holdings Inc director Sasha Ostojic reported compensation-related equity transactions.

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Form Type

Rhea-AI Filing Summary

Allison Transmission Holdings Inc director Sasha Ostojic reported compensation-related equity transactions. On May 7, 2026, Ostojic received a grant of 1,503 restricted stock units (RSUs) as an annual equity award under the company’s Non-Employee Director Compensation Policy.

The number of RSUs was calculated using a common stock closing price of $123.02 on the grant date. On May 6, 2026, previously granted 1,570 RSUs and 16 dividend equivalent rights settled into 1,586 shares of common stock, increasing Ostojic’s direct common stock holdings to 10,560 shares. These entries reflect grants and derivative exercises, with no open-market purchases or sales.

Insider Trade Summary

1,586 shares exercised/converted

Exercise 4 txns

Insider Ostojic Sasha

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	1,503	$0.00	$0.00
Exercise	Restricted Stock Units	1,570	$0.00	$0.00
Exercise	Dividend Equivalent Rights	16	$0.00	$0.00
Exercise	Common Stock	1,586	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 0 contracts (Direct); Restricted Stock Units — 1,503 contracts (Direct); Common Stock — 10,560 shares (Direct)

Footnotes (9)

F1. Settlement of restricted stock units ("RSUs") and related dividend equivalents.
F2. Includes 16 dividend equivalents.
F3. Each RSU represents a contingent right to receive one share of the Company's common stock.
F4. On May 8, 2025, the reporting person was granted 1,570 RSUs that vested on May 6, 2026.
F5. Each dividend equivalent right is the economic equivalent of one share of the Company's common stock.
F6. The dividend equivalent rights accrued on previously awarded RSUs and vested on May 6, 2026.
F7. The RSUs represent the reporting person's annual equity award under the Company's Ninth Amended and Restated Non-Employee Director Compensation Policy.
F8. The RSUs vest on the date of the next annual meeting of the stockholders of the Company. Unvested RSUs earn dividend equivalents when dividends are declared on the Company's common stock.
F9. The number of RSUs received was calculated based on $123.02, which was the closing price of the Company's common stock on the date of grant.

Key Figures

New RSU grant: 1,503 units RSU valuation price: $123.02/share RSUs settled: 1,570 units +3 more

6 metrics

New RSU grant 1,503 units Annual equity award granted May 7, 2026

RSU valuation price $123.02/share Closing common stock price used to calculate RSU count

RSUs settled 1,570 units Previously granted RSUs vested and settled May 6, 2026

Dividend equivalent rights settled 16 units Dividend equivalents converted into common shares May 6, 2026

Shares from RSU and dividend settlement 1,586 shares Common stock received upon settlement on May 6, 2026

Common shares held after transactions 10,560 shares Direct common stock ownership after reported Form 4 events

Key Terms

Restricted Stock Units, dividend equivalents, Non-Employee Director Compensation Policy, Form 4

4 terms

Restricted Stock Units financial

"On May 7, 2026, Ostojic received a grant of 1,503 restricted stock units (RSUs)"

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 equivalents financial

"16 dividend equivalent rights settled into 1,586 shares of common stock"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

Non-Employee Director Compensation Policy financial

"annual equity award under the company’s Non-Employee Director Compensation Policy"

Form 4 regulatory

"Following the Form 4 transactions, Ostojic directly holds 10,560 shares"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transactions did Sasha Ostojic report on Allison Transmission (ALSN)?

Sasha Ostojic reported equity compensation activity, including settlement of earlier RSUs and a new RSU grant. Previously awarded RSUs and dividend equivalents converted into common stock, and a fresh block of RSUs was granted for director compensation, with no open-market buying or selling disclosed.

How many restricted stock units did Sasha Ostojic receive from Allison Transmission (ALSN)?

Ostojic received 1,503 restricted stock units as an annual equity award. The award was granted under Allison Transmission’s Ninth Amended and Restated Non-Employee Director Compensation Policy and represents a contingent right to receive the same number of common shares in the future, subject to vesting.

How many Allison Transmission (ALSN) common shares does Sasha Ostojic hold after these transactions?

Following the Form 4 transactions, Ostojic directly holds 10,560 shares of Allison Transmission common stock. This total reflects the conversion of previously granted RSUs and dividend equivalents into 1,586 shares, in addition to any prior direct holdings, as reported in the filing.

What happened to Sasha Ostojic’s previously granted RSUs and dividend equivalents at Allison Transmission (ALSN)?

Previously granted 1,570 RSUs and 16 dividend equivalent rights vested and were settled into 1,586 common shares. The dividend equivalents represented economic equivalents of common stock that accrued on earlier RSU awards and converted into additional shares upon vesting on May 6, 2026.

Are Sasha Ostojic’s Allison Transmission (ALSN) transactions open-market trades or compensation-related events?

The reported transactions are compensation-related events, not open-market trades. They include the vesting and settlement of earlier RSUs and dividend equivalents into common stock, plus a new RSU grant as part of the company’s non-employee director compensation program, with no market purchases or sales indicated.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/08/2026 - 04:00 PM EDT

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^*

Ostojic Sasha

(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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock⁽¹⁾	05/06/2026		M		1,586⁽²⁾	A	$0	10,560	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽³⁾	05/06/2026		M			1,570	⁽⁴⁾	⁽⁴⁾	Common Stock	1,570	$0	0	D
Dividend Equivalent Rights	⁽⁵⁾	05/06/2026		M			16	⁽⁶⁾	⁽⁶⁾	Common Stock	16	$0	0	D
Restricted Stock Units⁽⁷⁾	⁽³⁾	05/07/2026		A		1,503		⁽⁸⁾	⁽⁸⁾	Common Stock	1,503	$0⁽⁹⁾	1,503	D

Explanation of Responses:

1. Settlement of restricted stock units ("RSUs") and related dividend equivalents.

2. Includes 16 dividend equivalents.

3. Each RSU represents a contingent right to receive one share of the Company's common stock.

4. On May 8, 2025, the reporting person was granted 1,570 RSUs that vested on May 6, 2026.

5. Each dividend equivalent right is the economic equivalent of one share of the Company's common stock.

6. The dividend equivalent rights accrued on previously awarded RSUs and vested on May 6, 2026.

7. The RSUs represent the reporting person's annual equity award under the Company's Ninth Amended and Restated Non-Employee Director Compensation Policy.

8. The RSUs vest on the date of the next annual meeting of the stockholders of the Company. Unvested RSUs earn dividend equivalents when dividends are declared on the Company's common stock.

9. The number of RSUs received was calculated based on $123.02, which was the closing price of the Company's common stock on the date of grant.

	/s/ Preston B. Ray, attorney-in-fact	05/08/2026
	** 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.
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)

Source: View Original Filing on SEC EDGAR