Bergstrom Donald A — SEC Form 4 filings
SEC reporting owner CIK 1709772. 23 Form 4 filings on record with FilingPulse; latest filed 2026-09-09.
Transaction summary — filings shown
Covers all 23 filings on record, filed 2024-01-18 to 2026-09-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 24 legs across 19 filings — 324,587 shares, $3,042,158 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: sale of 93,456 shares @ $16.94 ($1,583,145) in Relay Therapeutics, Inc., filed 2026-06-24.
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 |
|---|---|---|---|---|---|
| Relay Therapeutics, Inc. (RLAY) | President, R&D | 22 | — | 24 legs · 324,587 sh · $3,042,158 | 6 |
| Fusion Pharmaceuticals Inc. (FUSN) | Director | 1 | — | — | 4 |
Form 4 filings — Bergstrom Donald A
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-09 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 8,530 @ $18.97 | EDGAR |
| 2026-07-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 2,237 @ $18.61 | EDGAR |
| 2026-07-08 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 8,660 @ $18.71 | EDGAR |
| 2026-06-24 | 4 | Relay Therapeutics, Inc. (RLAY) | Option exercise (M): 93,456 @ $4.12 · Sale (S): 93,456 @ $16.94 · Option exercise (M): 93,456 (derivative) @ $0 | EDGAR |
| 2026-04-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 1,490 @ $14.79 | EDGAR |
| 2026-01-29 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 18,895 @ $7.62 · Sale (S): 2,686 @ $8.45 | EDGAR |
| 2026-01-15 | 4 | Relay Therapeutics, Inc. (RLAY) | Grant/award (A): 575,000 (derivative) @ $0 | EDGAR |
| 2025-10-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 30,897 @ $7.29 | EDGAR |
| 2025-07-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 4,069 @ $3.74 · Sale (S): 26,701 @ $3.68 | EDGAR |
| 2025-04-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 4,090 @ $3.17 · Sale (S): 27,472 @ $3 | EDGAR |
| 2025-03-31 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 986 @ $2.84 | EDGAR |
| 2025-01-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 3,220 @ $4.63 · Grant/award (A): 176,400 @ $0 · Sale (S): 46,407 @ $4.55 · Sale (S): 30,823 @ $4.42 | EDGAR |
| 2025-01-14 | 4 | Relay Therapeutics, Inc. (RLAY) | Grant/award (A): 400,000 (derivative) @ $0 | EDGAR |
| 2024-12-31 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 657 @ $4.38 | EDGAR |
| 2024-10-30 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 2,688 @ $6.06 | EDGAR |
| 2024-10-01 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 648 @ $7.51 | EDGAR |
| 2024-07-31 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 2,698 @ $8.85 | EDGAR |
| 2024-07-01 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 648 @ $6.26 | EDGAR |
| 2024-06-04 | 4 | Fusion Pharmaceuticals Inc. (FUSN) | Disposition to issuer (D): 34,000 (derivative) · Disposition to issuer (D): 17,000 (derivative) · Disposition to issuer (D): 17,000 (derivative) · Disposition to issuer (D): 17,000 (derivative) | EDGAR |
| 2024-04-29 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 2,686 @ $6.38 | EDGAR |
| 2024-03-29 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 765 @ $7.70 | EDGAR |
| 2024-01-31 | 4 | Relay Therapeutics, Inc. (RLAY) | Sale (S): 3,178 @ $9.64 | EDGAR |
| 2024-01-18 | 4 | Relay Therapeutics, Inc. (RLAY) | Grant/award (A): 300,000 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 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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