Coll John, SVP of Global MSS at Allison Transmission Holdings Inc ($ALSN), sold shares on the open market four times in the last year, totaling about $667 thousand. His most recent $ALSN insider sale occurred on December 31, 2025. These sales rank 5,861st among nearly 12,000 individual insiders, compared to an average of $8.6 million per seller and 6.4 transactions. John made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 1791 | $98.79 | 18,927.0000 | 85,000,000 | 8.64% | 0.00% |
| Dec. 5, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 18 | $0.00 | 151.0000 | 85,000,000 | 13.53% | 0.00% |
| Sept. 30, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 1788 | $84.32 | 20,718.0000 | 88,000,000 | 7.94% | 0.00% |
| Aug. 29, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 19 | $0.00 | 133.0000 | 88,000,000 | 16.67% | 0.00% |
| June 30, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 1788 | $94.69 | 22,506.0000 | 88,000,000 | 7.36% | 0.00% |
| May 30, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 16 | $0.00 | 114.0000 | 88,000,000 | 16.33% | 0.00% |
| April 1, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 1788 | $95.33 | 24,294.0000 | 88,000,000 | 6.86% | 0.00% |
| March 14, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 17 | $0.00 | 98.0000 | 88,000,000 | 20.99% | 0.00% |
| Feb. 28, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 11522 | $0.00 | 30,449.0000 | 88,000,000 | 60.88% | 0.01% |
| Feb. 28, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Performance Stock Units | 11522 | $0.00 | 0.0000 | 88,000,000 | 100.00% | 0.01% |
| Feb. 28, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 4367 | $101.75 | 26,082.0000 | 88,000,000 | 14.34% | 0.00% |
| Feb. 22, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1743 | $0.00 | 1,743.0000 | 88,000,000 | 50.00% | 0.00% |
| Feb. 22, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 51 | $0.00 | 178.0000 | 88,000,000 | 22.27% | 0.00% |
| Feb. 23, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1921 | $0.00 | 0.0000 | 88,000,000 | 100.00% | 0.00% |
| Feb. 23, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 97 | $0.00 | 81.0000 | 88,000,000 | 54.49% | 0.00% |
| Feb. 21, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1332 | $0.00 | 2,665.0000 | 88,000,000 | 33.32% | 0.00% |
| Feb. 21, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1332 | $0.00 | 16,658.0000 | 88,000,000 | 8.69% | 0.00% |
| Feb. 21, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 14 | $0.00 | 16,672.0000 | 88,000,000 | 0.08% | 0.00% |
| Feb. 21, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 447 | $100.67 | 16,225.0000 | 88,000,000 | 2.68% | 0.00% |
| Feb. 22, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1743 | $0.00 | 17,968.0000 | 88,000,000 | 10.74% | 0.00% |
| Feb. 22, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 51 | $0.00 | 18,019.0000 | 88,000,000 | 0.28% | 0.00% |
| Feb. 22, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 522 | $100.67 | 17,497.0000 | 88,000,000 | 2.90% | 0.00% |
| Feb. 23, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1921 | $0.00 | 19,418.0000 | 88,000,000 | 10.98% | 0.00% |
| Feb. 23, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 97 | $0.00 | 19,515.0000 | 88,000,000 | 0.50% | 0.00% |
| Feb. 23, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 588 | $100.67 | 18,927.0000 | 88,000,000 | 3.01% | 0.00% |
| Feb. 21, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 14 | $0.00 | 229.0000 | 88,000,000 | 5.76% | 0.00% |
| Feb. 19, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Employee Stock Option (right to buy) | 6342 | $0.00 | 6,342.0000 | 88,000,000 | 9999.99% | 0.01% |
| Feb. 19, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Restricted Stock Units | 2113 | $0.00 | 2,113.0000 | 88,000,000 | 9999.99% | 0.00% |
| Feb. 10, 2025 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Performance Stock Units | 11522 | $0.00 | 11,522.0000 | 88,000,000 | 9999.99% | 0.01% |
| Dec. 31, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $108.40 | 15,326.0000 | 88,000,000 | 11.54% | 0.00% |
| Nov. 27, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 19 | $0.00 | 243.0000 | 88,000,000 | 8.48% | 0.00% |
| Nov. 15, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $117.73 | 17,326.0000 | 88,000,000 | 10.35% | 0.00% |
| Sept. 30, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $95.80 | 19,326.0000 | 91,000,000 | 9.38% | 0.00% |
| Aug. 30, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 24 | $0.00 | 224.0000 | 91,000,000 | 12.00% | 0.00% |
| Aug. 29, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $90.98 | 21,326.0000 | 91,000,000 | 8.57% | 0.00% |
| June 28, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $75.06 | 23,326.0000 | 91,000,000 | 7.90% | 0.00% |
| May 31, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 30 | $0.00 | 200.0000 | 91,000,000 | 17.65% | 0.00% |
| April 1, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $81.06 | 25,326.0000 | 91,000,000 | 7.32% | 0.00% |
| March 15, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 30 | $0.00 | 170.0000 | 91,000,000 | 21.43% | 0.00% |
| Feb. 28, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 7944 | $0.00 | 29,638.0000 | 91,000,000 | 36.62% | 0.01% |
| Feb. 28, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Performance Stock Units | 7944 | $0.00 | 0.0000 | 91,000,000 | 100.00% | 0.01% |
| Feb. 28, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 2312 | $75.59 | 27,326.0000 | 91,000,000 | 7.80% | 0.00% |
| Feb. 28, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 5800 | $75.72 | 21,694.0000 | 91,000,000 | 21.10% | 0.01% |
| Feb. 23, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 76 | $0.00 | 140.0000 | 91,000,000 | 35.19% | 0.00% |
| Feb. 23, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1920 | $0.00 | 28,000.0000 | 91,000,000 | 7.36% | 0.00% |
| Feb. 23, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 76 | $0.00 | 28,076.0000 | 91,000,000 | 0.27% | 0.00% |
| Feb. 23, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 582 | $74.63 | 27,494.0000 | 91,000,000 | 2.07% | 0.00% |
| Feb. 23, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1920 | $0.00 | 1,921.0000 | 91,000,000 | 49.99% | 0.00% |
| Feb. 21, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Restricted Stock Units | 3997 | $0.00 | 3,997.0000 | 91,000,000 | 9999.99% | 0.00% |
| Feb. 22, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1743 | $0.00 | 3,486.0000 | 91,000,000 | 33.33% | 0.00% |
| Feb. 22, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 31 | $0.00 | 216.0000 | 91,000,000 | 12.55% | 0.00% |
| Feb. 21, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Employee Stock Option (right to buy) | 11993 | $0.00 | 11,993.0000 | 91,000,000 | 9999.99% | 0.01% |
| Feb. 22, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 515 | $73.39 | 26,080.0000 | 91,000,000 | 1.94% | 0.00% |
| Feb. 22, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 31 | $0.00 | 26,595.0000 | 91,000,000 | 0.12% | 0.00% |
| Feb. 22, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1743 | $0.00 | 26,564.0000 | 91,000,000 | 7.02% | 0.00% |
| Feb. 10, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 96 | $0.00 | 247.0000 | 91,000,000 | 27.99% | 0.00% |
| Feb. 12, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Pefromance Stock Units | 7944 | $0.00 | 7,944.0000 | 91,000,000 | 9999.99% | 0.01% |
| Feb. 10, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1625 | $0.00 | 25,319.0000 | 91,000,000 | 6.86% | 0.00% |
| Feb. 10, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 96 | $0.00 | 25,415.0000 | 91,000,000 | 0.38% | 0.00% |
| Feb. 10, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 594 | $61.70 | 24,821.0000 | 91,000,000 | 2.34% | 0.00% |
| Feb. 10, 2024 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1625 | $0.00 | 0.0000 | 91,000,000 | 100.00% | 0.00% |
| Dec. 29, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $58.41 | 23,694.0000 | 96,000,000 | 7.78% | 0.00% |
| Nov. 30, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 46 | $0.00 | 343.0000 | 96,000,000 | 15.49% | 0.00% |
| Sept. 29, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $60.19 | 25,694.0000 | 96,000,000 | 7.22% | 0.00% |
| Aug. 31, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 41 | $0.00 | 297.0000 | 96,000,000 | 16.02% | 0.00% |
| June 30, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $56.89 | 27,694.0000 | 96,000,000 | 6.74% | 0.00% |
| June 13, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | S | Common Stock | 2000 | $54.00 | 29,694.0000 | 96,000,000 | 6.31% | 0.00% |
| May 31, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 52 | $0.00 | 256.0000 | 96,000,000 | 25.49% | 0.00% |
| March 17, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Dividend Equivalent Rights | 58 | $0.00 | 204.0000 | 96,000,000 | 39.73% | 0.00% |
| Feb. 25, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 1277 | $47.54 | 31,694.0000 | 96,000,000 | 3.87% | 0.00% |
| Feb. 25, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 4120 | $0.00 | 0.0000 | 96,000,000 | 100.00% | 0.00% |
| Feb. 25, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 248 | $0.00 | 146.0000 | 96,000,000 | 62.94% | 0.00% |
| Feb. 25, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 4120 | $0.00 | 32,723.0000 | 96,000,000 | 14.40% | 0.00% |
| Feb. 25, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 248 | $0.00 | 32,971.0000 | 96,000,000 | 0.76% | 0.00% |
| Feb. 23, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 575 | $47.57 | 28,603.0000 | 96,000,000 | 1.97% | 0.00% |
| Feb. 23, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1920 | $0.00 | 3,841.0000 | 96,000,000 | 33.33% | 0.00% |
| Feb. 23, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 40 | $0.00 | 394.0000 | 96,000,000 | 9.22% | 0.00% |
| Feb. 23, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 40 | $0.00 | 29,178.0000 | 96,000,000 | 0.14% | 0.00% |
| Feb. 23, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1920 | $0.00 | 29,138.0000 | 96,000,000 | 7.05% | 0.00% |
| Feb. 22, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Employee Stock Option (right to buy) | 15688 | $0.00 | 15,688.0000 | 96,000,000 | 9999.99% | 0.02% |
| Feb. 22, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | A | Restricted Stock Units | 5229 | $0.00 | 5,229.0000 | 96,000,000 | 9999.99% | 0.01% |
| Feb. 10, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | F | Common Stock | 584 | $45.32 | 27,218.0000 | 96,000,000 | 2.10% | 0.00% |
| Feb. 10, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 1625 | $0.00 | 27,737.0000 | 96,000,000 | 6.22% | 0.00% |
| Feb. 10, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Restricted Stock Units | 1625 | $0.00 | 1,625.0000 | 96,000,000 | 50.00% | 0.00% |
| Feb. 10, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Dividend Equivalent Rights | 65 | $0.00 | 434.0000 | 96,000,000 | 13.03% | 0.00% |
| Feb. 10, 2023 | Allison Transmission Holdings Inc | $ALSN | Coll John | SVP, Global MSS | M | Common Stock | 65 | $0.00 | 27,802.0000 | 96,000,000 | 0.23% | 0.00% |