ALSN · Allison Transmission Holdings Inc. Common Stock
View on chartInsiders & Stakes
| David S. Graziosi Chairman and CEO | ▼ Sell | Tax Withholding | 304,843 Shares held | 2/28/2026 | View profile |
| G. Frederick Bohley SVP, CFO & Treasurer | ▼ Sell | Open Market | 112,886 Shares held | 8/10/2026 | View profile |
| Dick Michael SVP, Ops and Purchasing | ▼ Sell | Tax Withholding | 63,594 Shares held | 3/11/2022 | View profile |
| LAVIN RICHARD P | ▲ Buy | Option Exercise | 41,410 Shares held | 5/7/2025 | View profile |
| GARCIA TUNON ALVARO Director | ▲ Buy | Option Exercise | 40,218 Shares held | 5/3/2023 | View profile |
| Reynolds Richard VanFleet Director | ▲ Buy | Option Exercise | 37,044 Shares held | 5/3/2023 | View profile |
| Pittard Dana JH VP, Defense Programs | ▼ Sell | Gift | 22,346 Shares held | 3/6/2025 | View profile |
| van Niekerk Teresa VP, Global Purchasing & SQ | ▼ Sell | Tax Withholding | 20,875 Shares held | 2/28/2025 | View profile |
| ASKREN STANLEY A Director | ▲ Buy | Option Exercise | 18,271 Shares held | 5/3/2023 | View profile |
| Eric C. Scroggins VP, Gen. Counsel | ▼ Sell | Open Market | 16,604 Shares held | 8/11/2026 | View profile |
| Eifert Thomas VP, Program Mgmt & Prod Pln | ▼ Sell | Tax Withholding | 15,998 Shares held | 2/28/2025 | View profile |
| D. Scott Barbour See Remarks | ▲ Buy | Option Exercise | 13,281 Shares held | 5/6/2026 | View profile |
| Milburn Ryan A. VP, Product Engineering | ▼ Sell | Open Market | 11,924 Shares held | 5/21/2025 | View profile |
| RABAUT THOMAS W Director | ▲ Buy | Option Exercise | 11,584 Shares held | 5/3/2023 | View profile |
| Philip J. Christman Director | ▲ Buy | Option Exercise | 10,568 Shares held | 5/6/2026 | View profile |
| Sasha Ostojic Director | ▲ Buy | Option Exercise | 10,560 Shares held | 5/6/2026 | View profile |
| Coll John SVP, Global MSS | ▼ Sell | Open Market | 10,021 Shares held | 12/31/2025 | View profile |
| Krishna Shivram Director | ▲ Buy | Option Exercise | 9,633 Shares held | 5/6/2026 | View profile |
| Gustave Perna Director | ▲ Buy | Option Exercise | 9,633 Shares held | 5/6/2026 | View profile |
| Basso Rafael VP, Operations | ▼ Sell | Open Market | 4,624 Shares held | 5/30/2024 | View profile |
| Scott A. Mell Chief Financial Officer | ▼ Sell | Open Market | 1,053 Shares held | 5/8/2026 | View profile |
Transaction History
| Eric C. Scroggins | ▼ Sell | Open Market | 1,050 | $131K | 8/11/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 3,961 | $147K | 8/10/2026 |
| G. Frederick Bohley | ▼ Sell | Open Market | 3,961 | $485K | 8/10/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 533 | — | 6/4/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 10 | — | 6/4/2026 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 242 | $29K | 6/4/2026 |
| Scott A. Mell | ▼ Sell | Open Market | 933 | $117K | 5/8/2026 |
| Scott A. Mell | ▲ Buy | Option Exercise | 1,337 | $120K | 5/8/2026 |
| Scott A. Mell | ▼ Sell | Open Market | 1,337 | $167K | 5/8/2026 |
| D. Scott Barbour | ▲ Buy | Grant | 92 | $0 | 5/6/2026 |
| D. Scott Barbour | ▲ Buy | Option Exercise | 1,586 | $0 | 5/6/2026 |
| Sasha Ostojic | ▲ Buy | Option Exercise | 1,586 | $0 | 5/6/2026 |
| Krishna Shivram | ▲ Buy | Option Exercise | 1,586 | $0 | 5/6/2026 |
| Philip J. Christman | ▲ Buy | Grant | 92 | $0 | 5/6/2026 |
| Philip J. Christman | ▲ Buy | Option Exercise | 1,586 | $0 | 5/6/2026 |
| Gustave Perna | ▲ Buy | Option Exercise | 1,586 | $0 | 5/6/2026 |
| Scott A. Mell | ▲ Buy | Option Exercise | 2,842 | — | 4/14/2026 |
| Scott A. Mell | ▲ Buy | Option Exercise | 23 | — | 4/14/2026 |
| Scott A. Mell | ▼ Sell | Tax Withholding | 879 | $113K | 4/14/2026 |
| Eric C. Scroggins | ▼ Sell | Open Market | 1,313 | $150K | 3/9/2026 |
| David S. Graziosi | ▲ Buy | Option Exercise | 78,893 | — | 2/28/2026 |
| David S. Graziosi | ▼ Sell | Tax Withholding | 34,713 | $4.3M | 2/28/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 17,101 | — | 2/28/2026 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 7,580 | $950K | 2/28/2026 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 5,448 | — | 2/28/2026 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 1,598 | $200K | 2/28/2026 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 927 | — | 2/22/2026 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 36 | — | 2/22/2026 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 283 | $34K | 2/22/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 2,909 | — | 2/22/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 119 | — | 2/22/2026 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 1,294 | $154K | 2/22/2026 |
| David S. Graziosi | ▲ Buy | Option Exercise | 10,474 | — | 2/22/2026 |
| David S. Graziosi | ▲ Buy | Option Exercise | 240 | — | 2/22/2026 |
| David S. Graziosi | ▲ Buy | Option Exercise | 13,418 | — | 2/22/2026 |
| David S. Graziosi | ▲ Buy | Option Exercise | 561 | — | 2/22/2026 |
| David S. Graziosi | ▼ Sell | Tax Withholding | 10,502 | $1.2M | 2/22/2026 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 740 | — | 2/21/2026 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 15 | — | 2/21/2026 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 258 | $31K | 2/21/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 2,223 | — | 2/21/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 50 | — | 2/21/2026 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 960 | $114K | 2/21/2026 |
| David S. Graziosi | ▲ Buy | Grant | 5,971 | — | 2/19/2026 |
| David S. Graziosi | ▲ Buy | Grant | 67 | — | 2/19/2026 |
| David S. Graziosi | ▼ Sell | Tax Withholding | 1,771 | $209K | 2/19/2026 |
| Eric C. Scroggins | ▲ Buy | Grant | 416 | — | 2/19/2026 |
| Eric C. Scroggins | ▲ Buy | Grant | 4 | — | 2/19/2026 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 147 | $17K | 2/19/2026 |
| G. Frederick Bohley | ▲ Buy | Grant | 1,590 | — | 2/19/2026 |
| G. Frederick Bohley | ▲ Buy | Grant | 17 | — | 2/19/2026 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 664 | $78K | 2/19/2026 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 10,348 | $244K | 2/13/2026 |
| G. Frederick Bohley | ▼ Sell | Open Market | 1,128 | $130K | 2/13/2026 |
| G. Frederick Bohley | ▼ Sell | Open Market | 4,508 | $523K | 2/13/2026 |
| G. Frederick Bohley | ▼ Sell | Open Market | 4,712 | $551K | 2/13/2026 |
| Philip J. Christman | ▲ Buy | Grant | 102 | $0 | 2/6/2026 |
| D. Scott Barbour | ▲ Buy | Grant | 102 | $0 | 2/6/2026 |
| Coll John | ▼ Sell | Open Market | 1,791 | $177K | 12/31/2025 |
| D. Scott Barbour | ▲ Buy | Grant | 144 | $0 | 11/7/2025 |
| Philip J. Christman | ▲ Buy | Grant | 144 | $0 | 11/7/2025 |
| Coll John | ▼ Sell | Open Market | 1,788 | $151K | 9/30/2025 |
| G. Frederick Bohley | ▲ Buy | Open Market | 3,000 | $268K | 8/14/2025 |
| D. Scott Barbour | ▲ Buy | Grant | 135 | $0 | 8/7/2025 |
| Philip J. Christman | ▲ Buy | Grant | 135 | $0 | 8/7/2025 |
| Coll John | ▼ Sell | Open Market | 1,788 | $169K | 6/30/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 533 | — | 6/4/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 5 | — | 6/4/2025 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 240 | $25K | 6/4/2025 |
| Milburn Ryan A. | ▼ Sell | Gift | 2,214 | $0 | 5/21/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 1,266 | $55K | 5/21/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 2,146 | $152K | 5/21/2025 |
| Milburn Ryan A. | ▼ Sell | Open Market | 3,412 | $359K | 5/21/2025 |
| Sasha Ostojic | ▲ Buy | Option Exercise | 2,037 | $0 | 5/7/2025 |
| D. Scott Barbour | ▲ Buy | Option Exercise | 2,037 | $0 | 5/7/2025 |
| Philip J. Christman | ▲ Buy | Grant | 122 | $0 | 5/7/2025 |
| Philip J. Christman | ▲ Buy | Option Exercise | 2,037 | $0 | 5/7/2025 |
| LAVIN RICHARD P | ▲ Buy | Option Exercise | 31,584 | $0 | 5/7/2025 |
| Krishna Shivram | ▲ Buy | Option Exercise | 2,037 | $0 | 5/7/2025 |
| Gustave Perna | ▲ Buy | Option Exercise | 2,037 | $0 | 5/7/2025 |
| D. Scott Barbour | ▲ Buy | Grant | 122 | $0 | 5/7/2025 |
| Eric C. Scroggins | ▼ Sell | Open Market | 5,358 | $525K | 5/7/2025 |
| LAVIN RICHARD P | ▲ Buy | Option Exercise | 3,724 | $0 | 5/7/2025 |
| Sasha Ostojic | ▲ Buy | Grant | 244 | $0 | 5/7/2025 |
| Coll John | ▼ Sell | Open Market | 1,788 | $170K | 4/1/2025 |
| Milburn Ryan A. | ▼ Sell | Open Market | 4,546 | $437K | 3/6/2025 |
| Pittard Dana JH | ▼ Sell | Gift | 5,381 | $0 | 3/6/2025 |
| Pittard Dana JH | ▼ Sell | Gift | 5,381 | $0 | 3/6/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 6,354 | — | 2/28/2025 |
| Eifert Thomas | ▼ Sell | Tax Withholding | 1,867 | $190K | 2/28/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 6,362 | — | 2/28/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 17,316 | — | 2/28/2025 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 7,445 | $758K | 2/28/2025 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 1,869 | $190K | 2/28/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 6,604 | — | 2/28/2025 |
| van Niekerk Teresa | ▼ Sell | Tax Withholding | 2,357 | $240K | 2/28/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 6,354 | — | 2/28/2025 |
| Milburn Ryan A. | ▼ Sell | Tax Withholding | 1,808 | $184K | 2/28/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 88,600 | — | 2/28/2025 |
| David S. Graziosi | ▼ Sell | Tax Withholding | 39,029 | $4.0M | 2/28/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 5,372 | — | 2/28/2025 |
| Pittard Dana JH | ▼ Sell | Tax Withholding | 1,578 | $161K | 2/28/2025 |
| Coll John | ▲ Buy | Option Exercise | 11,522 | — | 2/28/2025 |
| Coll John | ▼ Sell | Tax Withholding | 4,367 | $444K | 2/28/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 2,887 | $137K | 2/27/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 3,303 | $130K | 2/27/2025 |
| van Niekerk Teresa | ▼ Sell | Open Market | 8,191 | $828K | 2/27/2025 |
| Milburn Ryan A. | ▼ Sell | Open Market | 793 | $79K | 2/26/2025 |
| Milburn Ryan A. | ▼ Sell | Open Market | 662 | $65K | 2/25/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 14,767 | — | 2/24/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 767 | — | 2/24/2025 |
| David S. Graziosi | ▼ Sell | Tax Withholding | 6,843 | $674K | 2/24/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 2,886 | — | 2/23/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 147 | — | 2/23/2025 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 892 | $90K | 2/23/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 1,101 | — | 2/23/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 54 | — | 2/23/2025 |
| van Niekerk Teresa | ▼ Sell | Tax Withholding | 330 | $33K | 2/23/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 1,059 | — | 2/23/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 51 | — | 2/23/2025 |
| Milburn Ryan A. | ▼ Sell | Tax Withholding | 317 | $32K | 2/23/2025 |
| Coll John | ▲ Buy | Option Exercise | 1,921 | — | 2/23/2025 |
| Coll John | ▲ Buy | Option Exercise | 97 | — | 2/23/2025 |
| Coll John | ▼ Sell | Tax Withholding | 588 | $59K | 2/23/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 896 | — | 2/23/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 44 | — | 2/23/2025 |
| Pittard Dana JH | ▼ Sell | Tax Withholding | 275 | $28K | 2/23/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 1,059 | — | 2/23/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 51 | — | 2/23/2025 |
| Eifert Thomas | ▼ Sell | Tax Withholding | 327 | $33K | 2/23/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 1,061 | — | 2/23/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 51 | — | 2/23/2025 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 327 | $33K | 2/23/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 2,908 | — | 2/22/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 86 | — | 2/22/2025 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 881 | $89K | 2/22/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 962 | — | 2/22/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 28 | — | 2/22/2025 |
| van Niekerk Teresa | ▼ Sell | Tax Withholding | 305 | $31K | 2/22/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 937 | — | 2/22/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 27 | — | 2/22/2025 |
| Milburn Ryan A. | ▼ Sell | Tax Withholding | 302 | $30K | 2/22/2025 |
| Coll John | ▲ Buy | Option Exercise | 1,743 | — | 2/22/2025 |
| Coll John | ▲ Buy | Option Exercise | 51 | — | 2/22/2025 |
| Coll John | ▼ Sell | Tax Withholding | 522 | $53K | 2/22/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 783 | — | 2/22/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 22 | — | 2/22/2025 |
| Pittard Dana JH | ▼ Sell | Tax Withholding | 276 | $28K | 2/22/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 927 | — | 2/22/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 27 | — | 2/22/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 10,473 | — | 2/22/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 119 | — | 2/22/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 13,417 | — | 2/22/2025 |
| David S. Graziosi | ▲ Buy | Option Exercise | 405 | — | 2/22/2025 |
| David S. Graziosi | ▼ Sell | Tax Withholding | 9,304 | $937K | 2/22/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 937 | — | 2/22/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 27 | — | 2/22/2025 |
| Eifert Thomas | ▼ Sell | Tax Withholding | 308 | $31K | 2/22/2025 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 304 | $31K | 2/22/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 2,223 | — | 2/21/2025 |
| G. Frederick Bohley | ▲ Buy | Option Exercise | 25 | — | 2/21/2025 |
| G. Frederick Bohley | ▼ Sell | Tax Withholding | 708 | $71K | 2/21/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 736 | — | 2/21/2025 |
| van Niekerk Teresa | ▲ Buy | Option Exercise | 7 | — | 2/21/2025 |
| van Niekerk Teresa | ▼ Sell | Tax Withholding | 252 | $25K | 2/21/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 715 | — | 2/21/2025 |
| Milburn Ryan A. | ▲ Buy | Option Exercise | 7 | — | 2/21/2025 |
| Milburn Ryan A. | ▼ Sell | Tax Withholding | 245 | $25K | 2/21/2025 |
| Coll John | ▲ Buy | Option Exercise | 1,332 | — | 2/21/2025 |
| Coll John | ▲ Buy | Option Exercise | 14 | — | 2/21/2025 |
| Coll John | ▼ Sell | Tax Withholding | 447 | $45K | 2/21/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 598 | — | 2/21/2025 |
| Pittard Dana JH | ▲ Buy | Option Exercise | 5 | — | 2/21/2025 |
| Pittard Dana JH | ▼ Sell | Tax Withholding | 210 | $21K | 2/21/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 739 | — | 2/21/2025 |
| Eric C. Scroggins | ▲ Buy | Option Exercise | 8 | — | 2/21/2025 |
| Eric C. Scroggins | ▼ Sell | Tax Withholding | 260 | $26K | 2/21/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 715 | — | 2/21/2025 |
| Eifert Thomas | ▲ Buy | Option Exercise | 7 | — | 2/21/2025 |
| Eifert Thomas | ▼ Sell | Tax Withholding | 251 | $25K | 2/21/2025 |
| Philip J. Christman | ▲ Buy | Grant | 102 | $0 | 2/7/2025 |
| D. Scott Barbour | ▲ Buy | Grant | 102 | $0 | 2/7/2025 |
| Sasha Ostojic | ▲ Buy | Grant | 205 | $0 | 2/7/2025 |
| Coll John | ▼ Sell | Open Market | 2,000 | $217K | 12/31/2024 |
| David S. Graziosi | ▲ Buy | Option Exercise | 11,590 | $549K | 11/29/2024 |
| David S. Graziosi | ▼ Sell | Open Market | 11,590 | $1.4M | 11/29/2024 |
| David S. Graziosi | ▲ Buy | Option Exercise | 1,723 | $82K | 11/27/2024 |
| David S. Graziosi | ▼ Sell | Open Market | 1,723 | $207K | 11/27/2024 |
| David S. Graziosi | ▲ Buy | Option Exercise | 3,609 | $171K | 11/26/2024 |
| David S. Graziosi | ▼ Sell | Open Market | 3,609 | $433K | 11/26/2024 |
| Milburn Ryan A. | ▼ Sell | Gift | 795 | $0 | 11/25/2024 |
| David S. Graziosi | ▲ Buy | Option Exercise | 5,326 | $252K | 11/25/2024 |
| David S. Graziosi | ▼ Sell | Open Market | 5,326 | $640K | 11/25/2024 |
| Coll John | ▼ Sell | Open Market | 2,000 | $235K | 11/15/2024 |
| D. Scott Barbour | ▲ Buy | Grant | 99 | $0 | 11/8/2024 |
| Philip J. Christman | ▲ Buy | Grant | 99 | $0 | 11/8/2024 |
| Sasha Ostojic | ▲ Buy | Grant | 199 | $0 | 11/8/2024 |
| Eric C. Scroggins | ▼ Sell | Open Market | 2,762 | $303K | 11/5/2024 |
| Eifert Thomas | ▲ Buy | Option Exercise | 1,741 | $65K | 10/7/2024 |
| Eifert Thomas | ▼ Sell | Open Market | 1,741 | $174K | 10/7/2024 |