According to recent filings covering the 90 days ending February 10, 2026, the three most significant insider holders at Scholar Rock Holding are TenPercentOwner Global Management, Llc Invus (10.83Mn shares), TenPercentOwner Public Equities, L.P. Invus (9.25Mn shares), TenPercentOwner Biocapital Gp, Llc Samsara (6.79Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Global Management, Llc Invus | 10,825,013 | 06 Feb, 2026 | |
| Public Equities, L.P. Invus | 9,250,005 | 12 Dec, 2024 | |
| Biocapital Gp, Llc Samsara | 6,788,609 | 18 Oct, 2023 | |
| Srinivas Akkaraju | 6,388,746 | 23 May, 2025 | |
| Kristina Burow | 2,366,782 | 30 May, 2025 | |
| David Hallal | Chief Executive Officer | 1,541,645 | 15 Jan, 2026 |
| Akshay Vaishnaw | President Of R&D | 595,767 | 15 Jan, 2026 |
| Keith Woods | Chief Operating Officer | 583,254 | 15 Jan, 2026 |
| Vikas Sinha | Chief Financial Officer | 583,245 | 15 Jan, 2026 |
| Nagesh K. Mahanthappa | Interim Ceo And President | 480,491 | 21 Jun, 2022 |
| Jay T. Backstrom | Chief Executive Officer | 425,561 | 12 Mar, 2025 |
| Yung H. Chyung | Chief Medical Officer | 258,496 | 15 Feb, 2022 |
| Junlin Ho | General Counsel | 214,553 | 21 Jan, 2026 |
| Caryn Parlavecchio | Chro | 148,864 | 21 Jan, 2026 |
| Gregory John Carven | Chief Scientific Officer | 128,208 | 21 Jun, 2022 |
| Edward H Myles | Coo & Cfo | 111,345 | 12 Mar, 2025 |
| Jing L. Marantz | Chief Medical Officer | 95,687 | 21 Jan, 2026 |
| Mo Qatanani | Chief Scientific Officer | 85,660 | 23 Jan, 2026 |
| Erin Moore | Interim Pfo And Pao | 82,609 | 25 Mar, 2025 |
| Tracey Sacco | Chief Commercial Officer | 71,750 | 29 Apr, 2025 |
| Michael Gilman | 55,216 | 30 May, 2025 | |
| Amir Nashat | 38,639 | 13 May, 2024 | |
| Katie Peng | 32,908 | 18 Dec, 2025 | |
| Jeffrey S. Flier | 24,070 | 25 Jun, 2025 | |
| Joshua Reed | 15,732 | 30 May, 2025 | |
| Richard Brudnick | 15,057 | 30 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 22 Jan, 2026 | Mo Qatanani | Common Stock | D | 2,119 | $45.87 | 98,439 | D | S |
| 22 Jan, 2026 | Mo Qatanani | Common Stock | D | 12,779 | $46.85 | 85,660 | D | S |
| 16 Jan, 2026 | Jing L. Marantz | Common Stock | D | 5,798 | $44.48 | 95,687 | D | S |
| 16 Jan, 2026 | Junlin Ho | Common Stock | D | 8,016 | $44.48 | 214,553 | D | S |
| 16 Jan, 2026 | Caryn Parlavecchio | Common Stock | D | 6,600 | $44.48 | 148,864 | D | S |
| 16 Jan, 2026 | Mo Qatanani | Common Stock | D | 8,406 | $44.48 | 100,558 | D | S |
| 14 Jan, 2026 | Mo Qatanani | Common Stock | A | 1,407 | $18.08 | 110,371 | D | M |
| 14 Jan, 2026 | Mo Qatanani | Common Stock | A | 2,813 | $10.00 | 113,505 | D | M |
| 14 Jan, 2026 | Mo Qatanani | Common Stock | D | 13,112 | $45.20 | 108,964 | D | S |
| 14 Jan, 2026 | Mo Qatanani | Common Stock | A | 2,678 | $35.15 | 122,076 | D | M |
| 14 Jan, 2026 | Mo Qatanani | Common Stock | A | 5,893 | $15.75 | 119,398 | D | M |
| 14 Jan, 2026 | Mo Qatanani | Common Stock | A | 321 | $7.62 | 110,692 | D | M |
| 13 Jan, 2026 | Vikas Sinha | Common Stock | D | 16,755 | $42.70 | 583,245 | D | S |
| 13 Jan, 2026 | David Hallal | Common Stock | D | 57,450 | $42.70 | 1,541,645 | D | S |
| 13 Jan, 2026 | Akshay Vaishnaw | Common Stock | D | 20,438 | $42.70 | 595,767 | D | S |
| 13 Jan, 2026 | Keith Woods | Common Stock | D | 16,746 | $42.70 | 583,254 | D | S |
| 16 Dec, 2025 | Katie Peng | Common Stock | D | 280 | $44.63 | 32,908 | D | S |
| 16 Dec, 2025 | Katie Peng | Common Stock | D | 726 | $43.88 | 33,188 | D | S |
| 16 Dec, 2025 | Katie Peng | - | - | 32,908 | D | |||
| 16 Dec, 2025 | Katie Peng | - | - | 33,188 | D |