Kersten Dirk sold Dyne Therapeutics, Inc. ($DYN) shares on the open market five times in the last 365 days, totaling $15.7 million. His most recent sale occurred on March 11, 2026. These sales rank 804th among 11,678 individual insiders, outperforming the average of $8.6 million per seller across 6.4 transactions. Dirk 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 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 129672 | $19.52 | 4,644,386.0000 | 142,824,687 | 2.72% | 0.09% |
| March 10, 2026 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 219758 | $19.33 | 5,055,916.0000 | 142,824,687 | 4.17% | 0.15% |
| March 10, 2026 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 281858 | $19.80 | 4,774,058.0000 | 142,824,687 | 5.57% | 0.20% |
| March 9, 2026 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 177690 | $17.72 | 5,285,156.0000 | 142,824,687 | 3.25% | 0.12% |
| March 10, 2026 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 9482 | $18.21 | 5,275,674.0000 | 142,824,687 | 0.18% | 0.01% |
| May 30, 2025 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | A | Stock option (right to buy) | 35000 | $0.00 | 35,000.0000 | 113,121,357 | 9999.99% | 0.03% |
| Dec. 6, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 101675 | $29.34 | 5,497,283.0000 | 0 | 1.82% | 0.00% |
| Dec. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 34437 | $29.18 | 5,462,846.0000 | 0 | 0.63% | 0.00% |
| Dec. 4, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 135039 | $29.39 | 5,602,764.0000 | 0 | 2.35% | 0.00% |
| Dec. 5, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 3806 | $29.05 | 5,598,958.0000 | 0 | 0.07% | 0.00% |
| Dec. 2, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 79973 | $29.66 | 5,768,763.0000 | 0 | 1.37% | 0.00% |
| Dec. 2, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1228 | $30.37 | 5,767,535.0000 | 0 | 0.02% | 0.00% |
| Dec. 3, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 29732 | $29.05 | 5,737,803.0000 | 0 | 0.52% | 0.00% |
| Nov. 13, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 10803 | $35.24 | 62,301.0000 | 0 | 14.78% | 0.00% |
| Nov. 14, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 8929 | $32.82 | 5,786,435.0000 | 0 | 0.15% | 0.00% |
| Oct. 18, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 13414 | $35.16 | 5,868,589.0000 | 0 | 0.23% | 0.00% |
| Oct. 21, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 121 | $35.06 | 5,868,468.0000 | 0 | 0.00% | 0.00% |
| Oct. 16, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 23671 | $35.35 | 5,895,016.0000 | 0 | 0.40% | 0.00% |
| Oct. 17, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 13013 | $35.17 | 5,882,003.0000 | 0 | 0.22% | 0.00% |
| Oct. 3, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 5441 | $35.13 | 5,918,687.0000 | 0 | 0.09% | 0.00% |
| Oct. 2, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 21518 | $35.38 | 5,924,128.0000 | 0 | 0.36% | 0.00% |
| Oct. 1, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 8423 | $35.16 | 5,945,646.0000 | 0 | 0.14% | 0.00% |
| Sept. 27, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 32 | $35.00 | 5,985,011.0000 | 0 | 0.00% | 0.00% |
| Sept. 30, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 29007 | $35.47 | 5,956,004.0000 | 0 | 0.48% | 0.00% |
| Sept. 30, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1935 | $36.02 | 5,954,069.0000 | 0 | 0.03% | 0.00% |
| Sept. 25, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 2357 | $35.06 | 5,986,303.0000 | 0 | 0.04% | 0.00% |
| Sept. 26, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1260 | $35.29 | 5,985,043.0000 | 0 | 0.02% | 0.00% |
| Sept. 20, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 471 | $37.01 | 6,029,491.0000 | 0 | 0.01% | 0.00% |
| Sept. 20, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 78940 | $36.45 | 6,029,962.0000 | 0 | 1.29% | 0.00% |
| Sept. 23, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 36221 | $35.19 | 5,993,270.0000 | 0 | 0.60% | 0.00% |
| Sept. 23, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 4610 | $36.33 | 5,988,660.0000 | 0 | 0.08% | 0.00% |
| Sept. 18, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1554 | $35.03 | 6,187,641.0000 | 0 | 0.03% | 0.00% |
| Sept. 19, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 27767 | $35.74 | 6,159,874.0000 | 0 | 0.45% | 0.00% |
| Sept. 19, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 50972 | $36.41 | 6,108,902.0000 | 0 | 0.83% | 0.00% |
| Sept. 17, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 3272 | $35.13 | 6,189,195.0000 | 0 | 0.05% | 0.00% |
| Sept. 16, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1320 | $35.04 | 6,192,467.0000 | 0 | 0.02% | 0.00% |
| Sept. 5, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1577 | $35.03 | 6,193,787.0000 | 0 | 0.03% | 0.00% |
| Aug. 30, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 6204 | $46.01 | 6,195,364.0000 | 0 | 0.10% | 0.00% |
| Aug. 30, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 25096 | $45.49 | 6,201,568.0000 | 0 | 0.40% | 0.00% |
| Aug. 29, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 45640 | $45.19 | 6,237,432.0000 | 0 | 0.73% | 0.00% |
| Aug. 29, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 10768 | $45.81 | 6,226,664.0000 | 0 | 0.17% | 0.00% |
| Aug. 28, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 61467 | $44.94 | 6,283,072.0000 | 0 | 0.97% | 0.00% |
| Aug. 28, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 16386 | $44.41 | 6,344,539.0000 | 0 | 0.26% | 0.00% |
| Aug. 27, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 65403 | $44.28 | 6,360,925.0000 | 0 | 1.02% | 0.00% |
| Aug. 26, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 77963 | $45.23 | 6,437,862.0000 | 0 | 1.20% | 0.00% |
| Aug. 26, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 11534 | $45.79 | 6,426,328.0000 | 0 | 0.18% | 0.00% |
| Aug. 22, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 413 | $46.97 | 6,600,913.0000 | 0 | 0.01% | 0.00% |
| Aug. 22, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 94908 | $45.82 | 6,601,326.0000 | 0 | 1.42% | 0.00% |
| Aug. 23, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 20955 | $45.82 | 6,579,958.0000 | 0 | 0.32% | 0.00% |
| Aug. 23, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 64133 | $46.37 | 6,515,825.0000 | 0 | 0.97% | 0.00% |
| Aug. 21, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 71245 | $47.01 | 6,696,234.0000 | 0 | 1.05% | 0.00% |
| Aug. 20, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 43057 | $45.68 | 6,875,780.0000 | 0 | 0.62% | 0.00% |
| Aug. 20, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 35457 | $46.94 | 6,840,323.0000 | 0 | 0.52% | 0.00% |
| Aug. 20, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 8326 | $47.30 | 6,831,997.0000 | 0 | 0.12% | 0.00% |
| Aug. 21, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 64518 | $46.52 | 6,767,479.0000 | 0 | 0.94% | 0.00% |
| Aug. 19, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 5760 | $46.59 | 6,918,837.0000 | 0 | 0.08% | 0.00% |
| Aug. 16, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 34485 | $44.52 | 7,133,027.0000 | 0 | 0.48% | 0.00% |
| Aug. 16, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 85086 | $45.35 | 7,047,941.0000 | 0 | 1.19% | 0.00% |
| Aug. 16, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 3072 | $46.19 | 7,044,869.0000 | 0 | 0.04% | 0.00% |
| Aug. 19, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 30448 | $45.10 | 7,014,421.0000 | 0 | 0.43% | 0.00% |
| Aug. 19, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 89824 | $46.01 | 6,924,597.0000 | 0 | 1.28% | 0.00% |
| Aug. 14, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 100650 | $43.67 | 7,348,403.0000 | 0 | 1.35% | 0.00% |
| Aug. 15, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 49601 | $45.67 | 7,167,512.0000 | 0 | 0.69% | 0.00% |
| Aug. 15, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 131290 | $45.25 | 7,217,113.0000 | 0 | 1.79% | 0.00% |
| Aug. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 50736 | $42.55 | 7,702,958.0000 | 0 | 0.65% | 0.00% |
| Aug. 12, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 26416 | $42.74 | 7,635,114.0000 | 0 | 0.34% | 0.00% |
| Aug. 12, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 52076 | $43.42 | 7,583,038.0000 | 0 | 0.68% | 0.00% |
| Aug. 13, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 24378 | $42.08 | 7,558,660.0000 | 0 | 0.32% | 0.00% |
| Aug. 13, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 88179 | $42.78 | 7,470,481.0000 | 0 | 1.17% | 0.00% |
| Aug. 13, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 21428 | $43.57 | 7,449,053.0000 | 0 | 0.29% | 0.00% |
| Aug. 8, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 6377 | $40.74 | 7,838,987.0000 | 0 | 0.08% | 0.00% |
| Aug. 8, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 16357 | $42.97 | 7,822,630.0000 | 0 | 0.21% | 0.00% |
| Aug. 8, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 68936 | $42.87 | 7,753,694.0000 | 0 | 0.88% | 0.00% |
| Aug. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 40268 | $43.44 | 7,662,690.0000 | 0 | 0.52% | 0.00% |
| Aug. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1160 | $44.04 | 7,661,530.0000 | 0 | 0.02% | 0.00% |
| Aug. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 1160 | $44.04 | 7,661,530.0000 | 0 | 0.02% | 0.00% |
| Aug. 8, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 16357 | $42.97 | 7,822,630.0000 | 0 | 0.21% | 0.00% |
| Aug. 8, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 68936 | $42.87 | 7,753,694.0000 | 0 | 0.88% | 0.00% |
| Aug. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 50736 | $42.55 | 7,702,958.0000 | 0 | 0.65% | 0.00% |
| Aug. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 40268 | $43.44 | 7,662,690.0000 | 0 | 0.52% | 0.00% |
| Aug. 8, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | S | Common Stock | 6377 | $40.74 | 7,838,987.0000 | 0 | 0.08% | 0.00% |
| May 22, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | A | Stock option (right to buy) | 25133 | $0.00 | 25,133.0000 | 0 | 9999.99% | 0.00% |
| Jan. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | P | Common Stock | 1428571 | $17.50 | 1,428,571.0000 | 0 | 9999.99% | 0.00% |
| Jan. 9, 2024 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Not found | P | Common Stock | 285714 | $17.50 | 6,416,793.0000 | 0 | 4.66% | 0.00% |
| May 24, 2023 | Dyne Therapeutics, Inc. | $DYN | Kersten Dirk | Director | A | Stock Option (right to buy) | 24900 | $0.00 | 24,900.0000 | 0 | 9999.99% | 0.00% |