Michael Thomas Henderson, CEO of Apogee Therapeutics, Inc. ($APGE), sold about $8.66 million worth of company shares across 17 open market transactions over the past year. His most recent sale occurred on February 11, 2026. These sales rank him 1,264th among nearly 12,000 individual insiders in our database, where the average is about $8.59 million across roughly six transactions. Henderson 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 8363 | $74.29 | 1,164,624.0000 | 68,320,229 | 0.71% | 0.01% |
| March 11, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 3418 | $75.86 | 1,152,987.0000 | 68,320,229 | 0.30% | 0.01% |
| March 11, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 8219 | $74.83 | 1,156,405.0000 | 68,320,229 | 0.71% | 0.01% |
| Feb. 11, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 955 | $64.99 | 1,172,987.0000 | 68,320,229 | 0.08% | 0.00% |
| Feb. 11, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 7551 | $63.73 | 1,173,942.0000 | 68,320,229 | 0.64% | 0.01% |
| Feb. 11, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 11494 | $62.96 | 1,181,493.0000 | 68,320,229 | 0.96% | 0.02% |
| Jan. 21, 2026 | Spyre Therapeutics, Inc. | $SYRE | HENDERSON MICHAEL THOMAS | Director | J | Common Stock | 63227 | $0.00 | 168,606.0000 | 77,592,130 | 60.00% | 0.08% |
| Jan. 14, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 1440 | $78.64 | 1,211,547.0000 | 68,320,229 | 0.12% | 0.00% |
| Jan. 14, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 470 | $83.79 | 1,192,987.0000 | 68,320,229 | 0.04% | 0.00% |
| Jan. 14, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 5386 | $83.16 | 1,193,457.0000 | 68,320,229 | 0.45% | 0.01% |
| Jan. 14, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 1854 | $82.41 | 1,198,843.0000 | 68,320,229 | 0.15% | 0.00% |
| Jan. 14, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 2374 | $81.00 | 1,200,697.0000 | 68,320,229 | 0.20% | 0.00% |
| Jan. 14, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 8476 | $79.82 | 1,203,071.0000 | 68,320,229 | 0.70% | 0.01% |
| Jan. 2, 2026 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | A | Stock Option (Right to Buy) | 253016 | $0.00 | 253,016.0000 | 68,320,229 | 9999.99% | 0.37% |
| Dec. 10, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 9435 | $74.88 | 1,223,552.0000 | 68,320,229 | 0.77% | 0.01% |
| Dec. 10, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 560 | $76.58 | 1,212,987.0000 | 68,320,229 | 0.05% | 0.00% |
| Dec. 10, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 10005 | $75.79 | 1,213,547.0000 | 68,320,229 | 0.82% | 0.01% |
| Dec. 4, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 40000 | $75.01 | 1,232,987.0000 | 68,320,229 | 3.14% | 0.06% |
| Nov. 13, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 3340 | $61.93 | 1,289,647.0000 | 68,320,229 | 0.26% | 0.00% |
| Nov. 13, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 14774 | $63.14 | 1,274,873.0000 | 68,320,229 | 1.15% | 0.02% |
| Nov. 13, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 1786 | $63.89 | 1,273,087.0000 | 68,320,229 | 0.14% | 0.00% |
| Nov. 13, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 100 | $64.52 | 1,272,987.0000 | 68,320,229 | 0.01% | 0.00% |
| May 29, 2025 | Spyre Therapeutics, Inc. | $SYRE | HENDERSON MICHAEL THOMAS | Director | A | Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 60,275,561 | 9999.99% | 0.04% |
| March 5, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 7326 | $29.98 | 1,295,661.0000 | 46,016,542 | 0.56% | 0.02% |
| March 5, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 2674 | $30.62 | 1,292,987.0000 | 46,016,542 | 0.21% | 0.01% |
| Feb. 5, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 15000 | $40.58 | 1,302,987.0000 | 0 | 1.14% | 0.00% |
| Jan. 31, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | M | Common Stock | 8500 | $22.86 | 1,317,987.0000 | 0 | 0.65% | 0.00% |
| Jan. 31, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | M | Stock Option (Right to Buy) | 8500 | $0.00 | 390,012.0000 | 0 | 2.13% | 0.00% |
| Jan. 10, 2025 | Spyre Therapeutics, Inc. | $SYRE | HENDERSON MICHAEL THOMAS | Director | J | Common Stock | 105379 | $0.00 | 105,379.0000 | 0 | 9999.99% | 0.00% |
| Jan. 8, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 12132 | $48.72 | 1,312,355.0000 | 0 | 0.92% | 0.00% |
| Jan. 8, 2025 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 2868 | $49.38 | 1,309,487.0000 | 0 | 0.22% | 0.00% |
| Dec. 9, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | A | Stock Option (Right to Buy) | 357036 | $0.00 | 357,036.0000 | 0 | 9999.99% | 0.00% |
| Dec. 4, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 1672 | $47.19 | 1,324,487.0000 | 0 | 0.13% | 0.00% |
| Dec. 4, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 13328 | $46.50 | 1,326,159.0000 | 0 | 1.00% | 0.00% |
| Nov. 6, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 1000 | $59.94 | 1,339,487.0000 | 0 | 0.07% | 0.00% |
| Nov. 6, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 14000 | $59.17 | 1,340,487.0000 | 0 | 1.03% | 0.00% |
| Oct. 2, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 30288 | $56.07 | 1,364,199.0000 | 0 | 2.17% | 0.00% |
| Oct. 2, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 9712 | $56.74 | 1,354,487.0000 | 0 | 0.71% | 0.00% |
| Sept. 4, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 14359 | $48.23 | 1,394,487.0000 | 0 | 1.02% | 0.00% |
| Sept. 4, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 25641 | $47.28 | 1,408,846.0000 | 0 | 1.79% | 0.00% |
| Aug. 7, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 100 | $42.17 | 1,434,487.0000 | 0 | 0.01% | 0.00% |
| Aug. 7, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 32233 | $40.40 | 1,442,254.0000 | 0 | 2.19% | 0.00% |
| Aug. 7, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 7667 | $41.52 | 1,434,587.0000 | 0 | 0.53% | 0.00% |
| July 5, 2024 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | S | Common Stock | 15000 | $37.26 | 1,474,487.0000 | 0 | 1.01% | 0.00% |
| May 14, 2024 | Spyre Therapeutics, Inc. | $SYRE | HENDERSON MICHAEL THOMAS | Not found | A | Stock Option (Right to Buy) | 11323 | $0.00 | 11,323.0000 | 0 | 9999.99% | 0.00% |
| Dec. 18, 2023 | Apogee Therapeutics, Inc. | $APGE | HENDERSON MICHAEL THOMAS | Chief Executive Officer | A | Stock Option (Right to Buy) | 398512 | $0.00 | 398,512.0000 | 0 | 9999.99% | 0.00% |