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 OwnershipAll the details
Dates, kept separate
Transaction date
Feb 22, 2026
Reporting period
Not applicable
Filed with the SEC
Feb 24, 2026
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-26-066922
Filed / recorded
Feb 24, 2026, 9:00 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
David S. Graziosi
Relationship
Director, Officer
Officer title
Chair, President and CEO
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Feb 22, 2026
Transaction code
M
Shares / units
561
Acquired / disposed
Acquired (A)
Shares owned after
271,165
Ownership form
Direct
Amendment
No
Footnotes from the filing
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.