Scalzo Richard William — SEC Form 4 filings
SEC reporting owner CIK 1789545. 19 Form 4 filings on record with FilingPulse; latest filed 2026-09-18.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2024-01-26 to 2026-09-18. 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): 27 legs across 17 filings — 264,748 shares, $7,705,339 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 29.
- Largest priced transaction: sale of 124,374 shares @ $32.14 ($3,997,380) in Dyne Therapeutics, Inc., filed 2024-09-10.
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) | SVP, Head of Finance & Admin. | 16 | — | 25 legs · 263,068 sh · $7,675,167 | 26 |
| CRESCENT BIOPHARMA, INC. (CBIO) | Chief Financial Officer | 3 | — | 2 legs · 1,680 sh · $30,172 | 3 |
Form 4 filings — Scalzo Richard William
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-18 | 4 | CRESCENT BIOPHARMA, INC. (CBIO) | Sale (S): 568 @ $17.90 | EDGAR |
| 2026-06-23 | 4 | CRESCENT BIOPHARMA, INC. (CBIO) | Sale (S): 1,112 @ $17.99 | EDGAR |
| 2025-12-17 | 4 | CRESCENT BIOPHARMA, INC. (CBIO) | Grant/award (A): 14,422 · Grant/award (A): 5,000 · Grant/award (A): 57,688 (derivative) @ $0 | EDGAR |
| 2025-03-13 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,343 @ $11.38 | EDGAR |
| 2025-03-07 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 917 @ $11.83 | EDGAR |
| 2025-02-18 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 2,488 @ $13.95 | EDGAR |
| 2024-12-11 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,455 @ $28.12 | EDGAR |
| 2024-12-06 | 4 | Dyne Therapeutics, Inc. (DYN) | Grant/award (A): 32,700 @ $0 · Grant/award (A): 52,300 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 2,735 @ $28.20 | EDGAR |
| 2024-09-19 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,390 @ $34.55 | EDGAR |
| 2024-09-11 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,468 @ $31.89 | EDGAR |
| 2024-09-10 | 4 | Dyne Therapeutics, Inc. (DYN) | Option exercise (M): 6,502 @ $5.54 · Option exercise (M): 3,353 @ $5.54 · Option exercise (M): 34,833 @ $19 · Option exercise (M): 16,696 @ $13.12 · Option exercise (M): 29,792 @ $8.58 · Option exercise (M): 18,750 @ $10.72 · +10 more | EDGAR |
| 2024-08-20 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 2,442 @ $45.01 · Sale (S): 310 @ $46 | EDGAR |
| 2024-06-11 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 1,590 @ $30.23 · Sale (S): 1,331 @ $31.34 | EDGAR |
| 2024-05-17 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 2,126 @ $28.20 · Sale (S): 462 @ $28.59 | EDGAR |
| 2024-03-12 | 4 | Dyne Therapeutics, Inc. (DYN) | Option exercise (M): 68,919 @ $5.54 · Option exercise (M): 17,333 @ $5.54 · Sale (S): 30,755 @ $25.31 · Sale (S): 55,208 @ $26.72 · Sale (S): 289 @ $27.33 · Sale (S): 1,082 @ $25.70 · +3 more | EDGAR |
| 2024-03-11 | 4 | Dyne Therapeutics, Inc. (DYN) | Sale (S): 2,273 @ $25.85 | EDGAR |
| 2024-03-01 | 4 | Dyne Therapeutics, Inc. (DYN) | Option exercise (M): 3,429 @ $1.03 · Sale (S): 3,429 @ $27.50 · Option exercise (M): 9,311 @ $1.03 · Sale (S): 8,747 @ $28.22 · Sale (S): 564 @ $28.65 · Option exercise (M): 3,429 (derivative) @ $0 · +1 more | EDGAR |
| 2024-01-26 | 4 | Dyne Therapeutics, Inc. (DYN) | Option exercise (M): 13,000 @ $1.03 · Sale (S): 13,000 @ $24.34 · Option exercise (M): 13,000 (derivative) @ $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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