Updated Jul 16, 2026 · Last SEC filing 2026-07-06
Scholar Rock Holding Corp (SRRK) has filed 17 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-06. 2 Form 8-K material event filings were reported by SRRK in the last 90 days. 6 Form 144 notices of proposed sale were filed for SRRK stock. InsiderAlpha tracks every SRRK SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Biological Products, (No Diagnostic Substances) (SIC 2836) |
|---|---|
| SEC CIK | 0001727196 |
| Form 4 filings (90d) | 17 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 6 |
| Latest Form 4 filing | 2026-07-06 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Peng Katie | Insider | S — Open-market sale | 2.4K | $54.25 | $132K | SEC | |
| Gilman Michael | Insider | S — Open-market sale | 1.2K | $54.23 | $63K | SEC | |
| Burow Kristina | Insider | S — Open-market sale | 948 | $54.28 | $51K | SEC | |
| Peng Katie | Insider | S — Open-market sale | 3.0K | $53.56 | $160K | SEC | |
| Peng Katie | Insider | S — Open-market sale | 21 | $54.96 | $1K | SEC | |
| Gilman Michael | Insider | S — Open-market sale | 43 | $54.81 | $2K | SEC | |
| FLIER JEFFREY S. | Insider | S — Open-market sale | 1.6K | $53.53 | $84K | SEC | |
| Gilman Michael | Insider | S — Open-market sale | 1.3K | $53.54 | $72K | SEC | |
| Reed Joshua | Insider | S — Open-market sale | 2.1K | $53.50 | $113K | SEC | |
| Reed Joshua | Insider | S — Open-market sale | 948 | $54.28 | $51K | SEC | |
| FLIER JEFFREY S. | Insider | S — Open-market sale | 15 | $54.88 | $823 | SEC | |
| Burow Kristina | Insider | S — Open-market sale | 2.1K | $53.49 | $113K | SEC | |
| FLIER JEFFREY S. | Insider | S — Open-market sale | 1.5K | $54.24 | $80K | SEC | |
| Burow Kristina | Director | A — Grant or award | 6.8K | $0.00 | — | SEC | |
| FLIER JEFFREY S. | Director | A — Grant or award | 6.8K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Scholar Rock Holding Corp (SRRK). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Burow Kristina | 12 | $984K |
| Peng Katie | 5 | $293K |
| Gilman Michael | 5 | $137K |
| FLIER JEFFREY S. | 5 | $164K |
| Reed Joshua | 4 | $164K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SRRK insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
Open the live SRRK dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.