Brudnick Richard
SEC insider (Form 3/4/5 filer). CIK 0001692359. Director at Scholar Rock Holding Corp (SRRK) and 2 other issuers. 7 reported Form 4/5 transactions since Sep 2024; latest on Jun 4, 2026. Located in CAMBRIDGE, MA.
Companies Brudnick Richard has filed insider reports for
- Scholar Rock Holding Corp (SRRK): Director
- InflaRx N.V. (IFRX): Director
- Prime Medicine, Inc. (PRME): Officer, Chief Business Officer
Brudnick Richard
CIK: 0001692359
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (7 total)
- Jun 4, 2026SRRK
Scholar Rock Holding Corp
AwardDirect6.8K shares- - May 29, 2025SRRK
Scholar Rock Holding Corp
SaleDirect4.7K shares at avg. $29.63$139K - May 29, 2025SRRK
Scholar Rock Holding Corp
SaleDirect1.4K shares at avg. $30.00$42K - May 22, 2025SRRK
Scholar Rock Holding Corp
AwardDirect7.6K shares- - May 20, 2025PRME
Prime Medicine, Inc.
PurchaseDirect20K shares at avg. $1.19$24K - Feb 27, 2025PRME
Prime Medicine, Inc.
AwardDirectStock Option (right to buy)
225K shares- - Dec 5, 2024PRME
Prime Medicine, Inc.
AwardDirectStock Option (right to buy)
19.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 4, 2026 |  SRRK Scholar Rock Holding Corp | Award | 6,839 | - | $0 | Direct |
| May 29, 2025 | SRRK Scholar Rock Holding Corp | Sale | 4,675 | $29.63 | $138,526 | Direct |
| May 29, 2025 | SRRK Scholar Rock Holding Corp | Sale | 1,400 | $30.00 | $42,004 | Direct |
| May 22, 2025 | SRRK Scholar Rock Holding Corp | Award | 7,632 | - | - | Direct |
| May 20, 2025 |  PRME Prime Medicine, Inc. | Purchase | 20,000 | $1.19 | $23,790 | Direct |
| Feb 27, 2025 | PRME Prime Medicine, Inc. | Award Stock Option (right to buy) | 225,000 | - | - | Direct |
| Dec 5, 2024 | PRME Prime Medicine, Inc. | Award Stock Option (right to buy) | 19,300 | - | - | Direct |
1-7 of 7 transactions