Allison Transmission Holdings Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Allison Transmission Holdings Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- ALSN
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001411207
Board of directors
-
Carolann I. Haznedar · DirectorSince 2023
-
D. Scott Barbour · DirectorSince 2023
-
David C. Everitt · DirectorSince 2023
-
David S. Graziosi · Director · Chair, President and CEOSince 2023
-
Gustave Perna · DirectorSince 2023
-
Judy L. Altmaier · DirectorSince 2023
-
Krishna Shivram · DirectorSince 2023
-
Philip J. Christman · DirectorSince 2023
-
Richard P. Lavin · DirectorSince 2023
-
Richard VanFleet Reynolds · DirectorSince 2023
-
Sasha Ostojic · DirectorSince 2023
-
Stanley A. Askren · DirectorSince 2023
-
Thomas W. Rabaut · DirectorSince 2023
-
Tunon Alvaro Garcia · DirectorSince 2023
Chief executives
David S. Graziosi
· Chairman, President and CEO
Dates unknown
Board connections
8 of this board's directors also sit on 10 other boards.
- via D. Scott Barbour
- via Philip J. Christman
- via David C. Everitt
- via David C. Everitt
- via Judy L. Altmaier
- via Richard P. Lavin
- via Tunon Alvaro Garcia
- via Krishna Shivram
- via Krishna Shivram
- via Stanley A. Askren
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 4, 2025 | Bohley G Frederick Officer (Chief Operating Officer) | Option exercise | +533 | — | — |
| Jun 4, 2025 | Bohley G Frederick Officer (Chief Operating Officer) | Option exercise | +5 | — | — |
| Jun 4, 2025 | Bohley G Frederick Officer (Chief Operating Officer) | Shares withheld for tax | −240 | $102.52 | $24,605 |
| May 21, 2025 | Milburn Ryan A. Officer (VP, Engr. & Tech Dev.) | Gift | −2,214 | — | — |
| May 21, 2025 | Milburn Ryan A. Officer (VP, Engr. & Tech Dev.) | Option exercise | +1,266 | $43.30 | $54,818 |
| May 21, 2025 | Milburn Ryan A. Officer (VP, Engr. & Tech Dev.) | Option exercise | +2,146 | $70.88 | $152,108 |
| May 21, 2025 | Milburn Ryan A. Officer (VP, Engr. & Tech Dev.) | Open-market sale | −3,412 | $105.24 | $359,079 |
| May 7, 2025 | Richard P. Lavin Director | Option exercise | +3,724 | — | — |
| May 7, 2025 | Richard P. Lavin Director | Option exercise | +31,584 | — | — |
| May 7, 2025 | Krishna Shivram Director | Option exercise | +2,037 | — | — |
| May 7, 2025 | Gustave Perna Director | Option exercise | +2,037 | — | — |
| May 7, 2025 | Sasha Ostojic Director | Grant or award | +244 | — | — |
| May 7, 2025 | Philip J. Christman Director | Grant or award | +122 | — | — |
| May 7, 2025 | D. Scott Barbour Director | Grant or award | +122 | — | — |
| May 7, 2025 | Scroggins Eric C. Officer (VP, Gen. Counsel & Assist. Sec) | Open-market sale | −5,358 | $98.05 | $525,352 |
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