Insider trade

CFO exercised or converted 1,337 ALSN derivative securities

Traded May 8, 2026 · Filed May 11, 2026

Allison TransmissionALSN

1,337
Derivative units

Why it stands out

Derivative exercise or conversion — not an open-market buy.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: May 8, 2026
Reporting period: Not applicable
Filed with the SEC: May 11, 2026

CFOOption exercise

Context

Classification

option exercise

Code M — exercise or conversion of a derivative security

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001193125-26-216801
Filed / recorded

May 11, 2026, 8:15 PM UTC

Added to OQRO

Oct 6, 2026, 4:40 PM UTC

Parser

form4-xml-v2

Data quality

Verified: identifiers matched exactly

Issuer

Allison Transmission Holdings Inc

Issuer CIK

1411207

Ticker

ALSN

Reporting person

Scott A Mell

Relationship

Officer

Officer title

CFO & Treasurer

Security

Employee Stock Option (right to buy)

Table

Derivative (Table II)

Transaction date

May 8, 2026

Transaction code

M

Shares / units

1,337

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

6,687

Ownership form

Direct

Amendment

No

Footnotes from the filing

This option vests in three equal installments beginning on April 14, 2026.

Around the same time

533Shares

4mo ago

Derivative exercise or conversion — not an open-market buy.

More Official record

10Shares

4mo ago

Derivative exercise or conversion — not an open-market buy.

More Official record

242Shares · @ $118.38

4mo ago

Routine share withholding; mechanical by default.

More Official record