Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-06-30 Sale | 2025-07-01 4:05 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,788 | $94.69 | $169,306 | 22,506 (Indirect Direct) | View |
2025-04-01 Sale | 2025-04-03 4:00 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,788 | $95.33 | $170,450 | 24,294 (Indirect Direct) | View |
2024-12-31 Sale | 2025-01-03 4:05 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $108.4 | $216,800 | 15,326 (Indirect Direct) | View |
2024-11-15 Sale | 2024-11-19 4:05 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $117.73 | $235,454 | 17,326 (Indirect Direct) | View |
2024-09-30 Sale | 2024-10-02 4:02 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $95.8 | $191,600 | 19,326 (Indirect Direct) | View |
2024-08-29 Sale | 2024-09-03 6:35 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $90.98 | $181,962 | 21,326 (Indirect Direct) | View |
2024-06-28 Sale | 2024-07-02 4:00 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $75.06 | $150,120 | 23,326 (Indirect Direct) | View |
2024-04-01 Sale | 2024-04-03 4:07 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $81.06 | $162,121 | 25,326 (Indirect Direct) | View |
2024-02-28 Sale | 2024-02-29 4:09 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 5,800 | $75.72 | $439,170 | 21,694 (Indirect Direct) | View |
2023-12-29 Sale | 2024-01-02 4:04 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $58.41 | $116,820 | 23,694 (Indirect Direct) | View |
2023-09-29 Sale | 2023-10-03 4:22 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $60.19 | $120,380 | 25,694 (Indirect Direct) | View |
2023-06-30 Sale | 2023-06-30 4:34 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $56.89 | $113,780 | 27,694 (Indirect Direct) | View |
2023-06-13 Sale | 2023-06-15 2:51 pm | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,000 | $54 | $108,000 | 29,694 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-05-30 Option Award | 2025-06-03 4:00 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 16 | $0 | 114 (Direct) | View |
2025-03-14 Option Award | 2025-03-18 4:05 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 17 | $0 | 98 (Direct) | View |
2025-02-28 Exercise | 2025-03-04 4:05 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 11,522 | $0 | 26,082 (Direct) | View |
2025-02-28 Tax Withholding | 2025-03-04 4:05 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 4,367 | $101.75 | 26,082 (Direct) | View |
2025-02-21 Tax Withholding | 2025-02-25 4:05 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,557 | $100.67 | 23,823 (Direct) | View |
2025-02-21 Exercise | 2025-02-25 4:05 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 5,158 | $0 | 23,823 (Direct) | View |
2025-02-19 Option Award | 2025-02-21 4:05 pm | N/A 2035-02-19 | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 8,455 | $0 | 8,455 (Direct) | View |
2025-02-10 Option Award | 2025-02-12 4:05 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 11,522 | $0 | 11,522 (Direct) | View |
2024-11-27 Option Award | 2024-12-02 4:00 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 19 | $0 | 243 (Direct) | View |
2024-08-30 Option Award | 2024-09-04 8:33 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 24 | $0 | 224 (Direct) | View |
2024-05-31 Option Award | 2024-06-04 4:08 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 30 | $0 | 200 (Direct) | View |
2024-03-15 Option Award | 2024-03-19 4:44 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 30 | $0 | 170 (Direct) | View |
2024-02-28 Exercise | 2024-03-01 4:12 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 7,944 | $0 | 27,326 (Direct) | View |
2024-02-28 Tax Withholding | 2024-03-01 4:12 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 2,312 | $75.59 | 27,326 (Direct) | View |
2024-02-23 Tax Withholding | 2024-02-27 4:46 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 582 | $74.63 | 29,555 (Direct) | View |
2024-02-23 Exercise | 2024-02-27 4:46 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,996 | $0 | 29,555 (Direct) | View |
2024-02-21 Option Award | 2024-02-23 4:28 pm | N/A 2034-02-21 | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 15,990 | $0 | 45,772 (Direct) | View |
2024-02-22 Tax Withholding | 2024-02-23 4:28 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 515 | $73.39 | 45,772 (Direct) | View |
2024-02-22 Exercise | 2024-02-23 4:28 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,774 | $0 | 45,772 (Direct) | View |
2024-02-12 Option Award | 2024-02-13 4:30 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 7,944 | $0 | 33,012 (Direct) | View |
2024-02-10 Exercise | 2024-02-13 4:30 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,721 | $0 | 33,012 (Direct) | View |
2024-02-10 Tax Withholding | 2024-02-13 4:30 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 594 | $61.7 | 33,012 (Direct) | View |
2023-11-30 Option Award | 2023-12-04 1:41 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 46 | $0 | 343 (Direct) | View |
2023-08-31 Option Award | 2023-09-05 4:28 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 41 | $0 | 297 (Direct) | View |
2023-05-31 Option Award | 2023-06-02 3:22 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 52 | $0 | 256 (Direct) | View |
2023-03-17 Option Award | 2023-03-21 4:11 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 58 | $0 | 204 (Direct) | View |
2023-02-25 Exercise | 2023-02-28 7:35 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 4,368 | $0 | 31,840 (Direct) | View |
2023-02-25 Tax Withholding | 2023-02-28 7:35 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,277 | $47.54 | 31,840 (Direct) | View |
2023-02-23 Exercise | 2023-02-27 2:33 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,960 | $0 | 32,838 (Direct) | View |
2023-02-23 Tax Withholding | 2023-02-27 2:33 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 575 | $47.57 | 32,838 (Direct) | View |
2023-02-22 Option Award | 2023-02-24 4:22 pm | N/A 2033-02-22 | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 20,917 | $0 | 20,917 (Direct) | View |
2023-02-10 Exercise | 2023-02-14 4:29 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 1,690 | $0 | 29,277 (Direct) | View |
2023-02-10 Tax Withholding | 2023-02-14 4:29 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 584 | $45.32 | 29,277 (Direct) | View |
2022-11-30 Option Award | 2022-12-02 4:35 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 62 | $0 | 499 (Direct) | View |
2022-08-31 Option Award | 2022-09-02 1:32 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 77 | $0 | 437 (Direct) | View |
2022-05-27 Option Award | 2022-06-01 3:41 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 69 | $0 | 360 (Direct) | View |
2022-03-18 Option Award | 2022-03-22 4:34 pm | N/A N/A | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 69 | $0 | 291 (Direct) | View |
2022-02-23 Option Award | 2022-02-25 4:04 pm | N/A 2032-02-23 | Allison Transmission Holdings Inc | ALSN | Coll John SVP, Global MSS | 23,044 | $0 | 23,044 (Direct) | View |