SYRE
Spyre Therapeutics, Inc.
Stock Price & Insider Activity
Historical close with open-market insider transaction markers
Insider activity
Sign in to download CSVBought$4.0M43 buy days
Sold$445.5M44 sell days
Net insider flow$-441.5Mnet selling · 10 years
Latest trade2026-10-01King-Jones Heidy
| Date | Side | Insider | Role | Shares | Avg price | Value | Trades |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | Sell | King-Jones Heidy | Other officer | 28,933 | $91.03 | $2.6M | 5 |
| 2026-10-01 | Sell | Turtle Cameron | CEO | 15,000 | $92.01 | $1.4M | 6 |
| 2026-10-01 | Sell | Burrows Scott L | CFO | 7,500 | $91.83 | $688.8K | 5 |
| 2026-09-30 | Sell | Burrows Scott L | CFO | 17,500 | $89.89 | $1.6M | 1 |
| 2026-09-02 | Sell | Burrows Scott L | CFO | 18,232 | $89.35 | $1.6M | 1 |
| 2026-09-02 | Sell | King-Jones Heidy | Other officer | 400 | $90.00 | $36.0K | 1 |
| 2026-09-01 | Sell | King-Jones Heidy | Other officer | 27,999 | $87.31 | $2.4M | 4 |
| 2026-09-01 | Sell | Turtle Cameron | CEO | 15,000 | $87.29 | $1.3M | 4 |
| 2026-09-01 | Sell | Burrows Scott L | CFO | 7,500 | $87.31 | $654.8K | 4 |
| 2026-08-07 | Sell | Albers Jeffrey W. | Director | 23,000 | $104.53 | $2.4M | 3 |
| 2026-08-03 | Sell | Turtle Cameron | CEO | 15,000 | $95.51 | $1.4M | 5 |
| 2026-08-03 | Sell | Burrows Scott L | CFO | 7,500 | $95.57 | $716.8K | 3 |
| 2026-07-01 | Sell | Turtle Cameron | CEO | 15,000 | $87.69 | $1.3M | 3 |
| 2026-07-01 | Sell | Sloan Sheldon | Other C-suite | 8,334 | $87.70 | $730.9K | 2 |
| 2026-07-01 | Sell | Burrows Scott L | CFO | 7,500 | $87.74 | $658.0K | 2 |
| 2026-06-25 | Sell | Burrows Scott L | CFO | 15,000 | $87.13 | $1.3M | 2 |
| 2026-06-23 | Sell | Harwin Peter Evan | Director | 4,684,781 | $85.31 | $399.7M | 1 |
| 2026-06-22 | Sell | HENDERSON MICHAEL THOMAS | Director | 20,000 | $100.00 | $2.0M | 1 |
| 2026-06-03 | Sell | Sloan Sheldon | Other C-suite | 8,333 | $75.00 | $625.0K | 1 |
| 2026-06-01 | Sell | Turtle Cameron | CEO | 15,000 | $70.43 | $1.1M | 3 |
| 2026-06-01 | Sell | Burrows Scott L | CFO | 7,500 | $71.06 | $532.9K | 3 |
| 2026-05-08 | Sell | HENDERSON MICHAEL THOMAS | Director | 80,000 | $74.40 | $6.0M | 4 |
| 2026-05-01 | Sell | Sloan Sheldon | Other C-suite | 78,333 | $71.50 | $5.6M | 7 |
| 2026-05-01 | Sell | Turtle Cameron | CEO | 15,000 | $71.37 | $1.1M | 6 |
| 2026-05-01 | Sell | Burrows Scott L | CFO | 12,500 | $71.37 | $892.1K | 1 |
| 2026-04-01 | Sell | Turtle Cameron | CEO | 15,000 | $49.33 | $739.9K | 2 |
| 2026-04-01 | Sell | Sloan Sheldon | Other C-suite | 7,958 | $50.00 | $397.9K | 1 |
| 2026-04-01 | Sell | Burrows Scott L | CFO | 7,500 | $49.34 | $370.1K | 2 |
| 2026-03-03 | Sell | Burrows Scott L | CFO | 2,500 | $40.65 | $101.6K | 2 |
| 2026-03-02 | Sell | Turtle Cameron | CEO | 15,000 | $42.19 | $632.9K | 2 |
| 2026-02-02 | Sell | Turtle Cameron | CEO | 15,000 | $32.80 | $492.0K | 2 |
| 2026-01-02 | Sell | Turtle Cameron | CEO | 15,000 | $30.68 | $460.1K | 3 |
| 2025-12-01 | Sell | Turtle Cameron | CEO | 15,000 | $29.02 | $435.4K | 2 |
| 2025-11-03 | Sell | Turtle Cameron | CEO | 45,000 | $23.33 | $1.0M | 2 |
| 2025-09-02 | Sell | Burrows Scott L | CFO | 18,428 | $16.26 | $299.6K | 1 |
| 2024-11-06 | Sell | Albers Jeffrey W. | Director | 6,700 | $36.76 | $246.3K | 1 |
| 2024-10-25 | Sell | Albers Jeffrey W. | Director | 300 | $36.43 | $10.9K | 1 |
| 2024-09-03 | Sell | Burrows Scott L | CFO | 18,531 | $28.17 | $522.0K | 1 |
| 2022-08-25 | Buy | Souza Marcio | Director | 90,000 | $0.56 | $50.4K | 1 |
| 2022-06-08 | Buy | Hanley Jr. Michael Conick | Other C-suite | 28,200 | $0.71 | $20.0K | 1 |
| 2022-03-16 | Buy | Quinn Anthony G. | CEO | 80,079 | $2.34 | $187.4K | 1 |
| 2022-03-15 | Buy | Quinn Anthony G. | CEO | 42,417 | $1.86 | $78.9K | 1 |
| 2022-03-14 | Buy | Quinn Anthony G. | CEO | 67,472 | $1.93 | $130.2K | 1 |
| 2022-03-11 | Buy | Alspaugh Jonathan | CFO | 75,000 | $2.08 | $156.0K | 1 |
| 2022-03-11 | Buy | Quinn Anthony G. | CEO | 34,777 | $2.06 | $71.6K | 1 |
| 2021-12-13 | Buy | Shanafelt Armen | Director | 14,685 | $3.65 | $53.6K | 1 |
| 2021-12-10 | Buy | Shanafelt Armen | Director | 13,516 | $3.65 | $49.3K | 1 |
| 2021-12-10 | Buy | Quinn Anthony G. | CEO | 10,526 | $3.75 | $39.5K | 1 |
| 2021-12-09 | Buy | Shanafelt Armen | Director | 121,799 | $3.67 | $447.0K | 1 |
| 2021-12-09 | Buy | Alspaugh Jonathan | CFO | 50,000 | $3.72 | $186.0K | 1 |
| 2021-12-09 | Buy | Quinn Anthony G. | CEO | 43,108 | $3.70 | $159.5K | 1 |
| 2021-08-18 | Buy | Alspaugh Jonathan | CFO | 7,200 | $6.72 | $48.4K | 1 |
| 2021-08-17 | Buy | Alspaugh Jonathan | CFO | 23,392 | $6.50 | $152.0K | 1 |
| 2021-08-16 | Buy | Alspaugh Jonathan | CFO | 9,780 | $6.37 | $62.3K | 1 |
| 2020-04-30 | Buy | Quinn Anthony G. | CEO | 165,000 | $4.75 | $783.8K | 1 |
| 2019-06-14 | Buy | Quinn Anthony G. | CEO | 5,282 | $6.23 | $32.9K | 1 |
| 2019-06-13 | Buy | Quinn Anthony G. | CEO | 14,406 | $6.17 | $88.9K | 1 |
| 2019-06-12 | Buy | Quinn Anthony G. | CEO | 12,217 | $6.11 | $74.6K | 1 |
| 2019-05-22 | Buy | Quinn Anthony G. | CEO | 3,809 | $6.86 | $26.1K | 1 |
| 2019-05-21 | Buy | Quinn Anthony G. | CEO | 13,794 | $6.89 | $95.0K | 1 |
| 2019-05-20 | Buy | Quinn Anthony G. | CEO | 8,989 | $6.56 | $59.0K | 1 |
| 2019-05-17 | Buy | Quinn Anthony G. | CEO | 6,218 | $6.65 | $41.3K | 1 |
| 2019-05-16 | Buy | Quinn Anthony G. | CEO | 5,520 | $6.83 | $37.7K | 1 |
| 2019-05-15 | Buy | Quinn Anthony G. | CEO | 6,256 | $6.76 | $42.3K | 1 |
| 2019-02-15 | Buy | Quinn Anthony G. | CEO | 719 | $7.10 | $5.1K | 1 |
| 2018-09-27 | Sell | Schuchart Aaron | Other C-suite | 6,000 | $9.50 | $57.0K | 2 |
| 2018-08-15 | Buy | Quinn Anthony G. | CEO | 994 | $9.13 | $9.1K | 1 |
| 2018-05-11 | Sell | NOVARTIS AG | 10% owner | 19,550 | $10.06 | $196.7K | 1 |
| 2018-05-10 | Sell | NOVARTIS AG | 10% owner | 22,725 | $10.13 | $230.2K | 1 |
| 2018-05-09 | Sell | NOVARTIS AG | 10% owner | 51,230 | $10.11 | $517.9K | 1 |
| 2018-05-08 | Sell | NOVARTIS AG | 10% owner | 26,557 | $10.03 | $266.4K | 1 |
| 2018-05-07 | Sell | NOVARTIS AG | 10% owner | 15,548 | $10.11 | $157.2K | 1 |
| 2018-02-15 | Buy | Quinn Anthony G. | CEO | 2,000 | $6.02 | $12.0K | 1 |
| 2017-12-08 | Buy | Quinn Anthony G. | CEO | 600 | $5.07 | $3.0K | 1 |
| 2017-12-07 | Buy | Quinn Anthony G. | CEO | 2,800 | $4.99 | $14.0K | 1 |
| 2017-12-06 | Buy | Quinn Anthony G. | CEO | 4,888 | $4.92 | $24.0K | 1 |
| 2017-12-05 | Buy | York Charles N II | CFO | 10,241 | $4.76 | $48.7K | 1 |
| 2017-12-05 | Buy | Quinn Anthony G. | Director | 5,065 | $4.93 | $25.0K | 1 |
| 2017-12-04 | Buy | Quinn Anthony G. | Director | 7,956 | $4.98 | $39.6K | 1 |
| 2017-12-04 | Buy | York Charles N II | CFO | 3,259 | $4.97 | $16.2K | 1 |
| 2017-12-01 | Buy | York Charles N II | CFO | 6,500 | $4.59 | $29.8K | 1 |
| 2017-12-01 | Buy | Quinn Anthony G. | Director | 4,100 | $4.53 | $18.6K | 1 |
| 2017-08-15 | Buy | York Charles N II | CFO | 1,959 | $2.52 | $4.9K | 1 |
| 2017-02-21 | Buy | ISALY SAMUEL D | 10% owner | 7,000 | $5.36 | $37.5K | 1 |
| 2017-02-17 | Buy | ISALY SAMUEL D | 10% owner | 71,800 | $5.19 | $372.6K | 1 |
| 2017-02-16 | Buy | ISALY SAMUEL D | 10% owner | 30,500 | $5.04 | $153.7K | 1 |
| 2017-02-15 | Buy | York Charles N II | CFO | 2,000 | $4.28 | $8.6K | 1 |