Kersten Dirk — SEC Form 4 filings
SEC reporting owner CIK 1823682. 36 Form 4 filings on record with FilingPulse; latest filed 2026-07-29.
Transaction summary — filings shown
Covers all 36 filings on record, filed 2024-01-11 to 2026-07-29. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 1 filing — 1,714,285 shares, $29,999,988 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 94 legs across 32 filings — 4,442,402 shares, $144,177,175 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: purchase of 1,428,571 shares @ $17.50 ($24,999,992) in Dyne Therapeutics, Inc., filed 2024-01-11.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Dyne Therapeutics, Inc. (DYN) | Director | 36 | 2 legs · 1,714,285 sh · $29,999,988 | 94 legs · 4,442,402 sh · $144,177,175 | 3 |
Form 4 filings — Kersten Dirk
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-29 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 256,072 @ $25.50 · Sale (S): 5,388 @ $26.04 | EDGAR |
| 2026-06-24 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 190,676 @ $20.57 · Sale (S): 71,629 @ $21.04 · Sale (S): 1,657 @ $21.47 | EDGAR |
| 2026-06-22 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 37,454 @ $20.14 · Sale (S): 46,901 @ $20.07 | EDGAR |
| 2026-06-09 | 4 | Dyne Therapeutics, Inc. (DYN) | Grant/award (A): 35,152 (derivative) @ $0 | EDGAR |
| 2026-04-23 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 8,300 @ $20.01 · Sale (S): 2,652 @ $20.00 | EDGAR |
| 2026-04-21 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 211,974 @ $20.29 · Sale (S): 125,274 @ $20.07 | EDGAR |
| 2026-04-17 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 81,840 @ $20.27 · Sale (S): 11,116 @ $21.10 · Sale (S): 6,657 @ $20.06 | EDGAR |
| 2026-03-13 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 129,672 @ $19.52 | EDGAR |
| 2026-03-11 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 177,690 @ $17.72 · Sale (S): 9,482 @ $18.21 · Sale (S): 219,758 @ $19.32 · Sale (S): 281,858 @ $19.80 | EDGAR |
| 2025-06-03 | 4 | Dyne Therapeutics, Inc. (DYN) | Grant/award (A): 35,000 (derivative) @ $0 | EDGAR |
| 2024-12-10 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 101,675 @ $29.34 · Sale (S): 34,437 @ $29.18 | EDGAR |
| 2024-12-06 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 135,039 @ $29.39 · Sale (S): 3,806 @ $29.05 | EDGAR |
| 2024-12-04 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 79,973 @ $29.66 · Sale (S): 1,228 @ $30.37 · Sale (S): 29,732 @ $29.05 | EDGAR |
| 2024-11-15 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 10,803 @ $35.24 · Sale (S): 8,929 @ $32.82 | EDGAR |
| 2024-10-22 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 13,414 @ $35.16 · Sale (S): 121 @ $35.06 | EDGAR |
| 2024-10-18 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 23,671 @ $35.35 · Sale (S): 13,013 @ $35.17 | EDGAR |
| 2024-10-07 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 5,441 @ $35.13 | EDGAR |
| 2024-10-03 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 8,423 @ $35.16 · Sale (S): 21,518 @ $35.38 | EDGAR |
| 2024-10-01 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 32 @ $35 · Sale (S): 29,007 @ $35.47 · Sale (S): 1,935 @ $36.02 | EDGAR |
| 2024-09-27 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 2,357 @ $35.06 · Sale (S): 1,260 @ $35.29 | EDGAR |
| 2024-09-24 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 78,940 @ $36.45 · Sale (S): 471 @ $37.01 · Sale (S): 36,221 @ $35.19 · Sale (S): 4,610 @ $36.33 | EDGAR |
| 2024-09-20 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,554 @ $35.03 · Sale (S): 27,767 @ $35.74 · Sale (S): 50,972 @ $36.41 | EDGAR |
| 2024-09-18 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,320 @ $35.04 · Sale (S): 3,272 @ $35.13 | EDGAR |
| 2024-09-09 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,577 @ $35.03 | EDGAR |
| 2024-09-04 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 25,096 @ $45.49 · Sale (S): 6,204 @ $46.01 | EDGAR |
| 2024-08-30 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 16,386 @ $44.41 · Sale (S): 61,467 @ $44.94 · Sale (S): 45,640 @ $45.19 · Sale (S): 10,768 @ $45.81 | EDGAR |
| 2024-08-28 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 77,963 @ $45.23 · Sale (S): 11,534 @ $45.79 · Sale (S): 65,403 @ $44.28 | EDGAR |
| 2024-08-26 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 94,908 @ $45.82 · Sale (S): 413 @ $46.97 · Sale (S): 20,955 @ $45.82 · Sale (S): 64,133 @ $46.37 | EDGAR |
| 2024-08-22 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 43,057 @ $45.68 · Sale (S): 35,457 @ $46.94 · Sale (S): 8,326 @ $47.30 · Sale (S): 64,518 @ $46.52 · Sale (S): 71,245 @ $47.01 | EDGAR |
| 2024-08-20 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 34,485 @ $44.52 · Sale (S): 85,086 @ $45.35 · Sale (S): 3,072 @ $46.19 · Sale (S): 30,448 @ $45.10 · Sale (S): 89,824 @ $46.01 · Sale (S): 5,760 @ $46.59 | EDGAR |
| 2024-08-16 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 100,650 @ $43.67 · Sale (S): 131,290 @ $45.25 · Sale (S): 49,601 @ $45.67 | EDGAR |
| 2024-08-14 | 4/A | Dyne Therapeutics, Inc. (DYN) | Sale (S): 6,377 @ $40.74 · Sale (S): 16,357 @ $42.97 · Sale (S): 68,936 @ $42.87 · Sale (S): 50,736 @ $42.55 · Sale (S): 40,268 @ $43.44 · Sale (S): 1,160 @ $44.04 | EDGAR |
| 2024-08-14 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 26,416 @ $42.74 · Sale (S): 52,076 @ $43.42 · Sale (S): 24,378 @ $42.08 · Sale (S): 88,179 @ $42.78 · Sale (S): 21,428 @ $43.57 | EDGAR |
| 2024-08-12 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 6,377 @ $40.74 · Sale (S): 16,357 @ $42.97 · Sale (S): 68,936 @ $42.87 · Sale (S): 50,736 @ $42.55 · Sale (S): 40,268 @ $43.44 · Sale (S): 1,160 @ $44.04 | EDGAR |
| 2024-05-24 | 4 | Dyne Therapeutics, Inc. (DYN) | Grant/award (A): 25,133 (derivative) @ $0 | EDGAR |
| 2024-01-11 | 4 | Dyne Therapeutics, Inc. (DYN) | Purchase (P): 285,714 @ $17.50 · Purchase (P): 1,428,571 @ $17.50 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-10 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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