Based on data from the past 90 days ending December 12, 2025, Scholar Rock Holding's three largest insider shareholders are Chief Executive Officer David Hallal (1.60Mn shares), Chro Caryn Parlavecchio (155.46K shares), Chief Scientific Officer Mo Qatanani (108.96K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Public Equities, L.P. Invus | 9,250,005 | 12 Dec, 2024 | |
| Biocapital Gp, Llc Samsara | 6,788,609 | 18 Oct, 2023 | |
| Kristina Burow | 2,366,782 | 30 May, 2025 | |
| David Hallal | Chief Executive Officer | 1,599,095 | 09 Oct, 2025 |
| Akshay Vaishnaw | President Of R&D | 616,205 | 30 May, 2025 |
| Vikas Sinha | Chief Financial Officer | 600,000 | 29 Apr, 2025 |
| Keith Woods | Chief Operating Officer | 600,000 | 29 Apr, 2025 |
| Srinivas Akkaraju | 521,571 | 23 May, 2025 | |
| 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 | 222,569 | 17 Jun, 2025 |
| Caryn Parlavecchio | Chro | 155,464 | 19 Aug, 2025 |
| Gregory John Carven | Chief Scientific Officer | 128,208 | 21 Jun, 2022 |
| Edward H Myles | COO & Cfo | 111,345 | 12 Mar, 2025 |
| Mo Qatanani | Chief Scientific Officer | 108,964 | 05 Dec, 2025 |
| Jing L. Marantz | Chief Medical Officer | 101,485 | 12 Mar, 2025 |
| 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 | |
| Stuart A Kingsley | President And CEO | 42,000 | 03 Feb, 2021 |
| Amir Nashat | 38,639 | 13 May, 2024 | |
| Katie Peng | 33,914 | 17 Sep, 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 |
|---|---|---|---|---|---|---|---|---|
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 65,625 | $26.05 | 174,589 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 21,093 | $18.08 | 195,682 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 5,607 | $4.86 | 201,289 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 1,281 | $7.62 | 202,570 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 11,250 | $10.00 | 213,820 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 23,571 | $15.75 | 237,391 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 8,035 | $35.15 | 245,426 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | D | 136,462 | $45.21 | 108,964 | D | S |
| 08 Oct, 2025 | David Hallal | Common Stock | D | 205,000 | $0.00 | 1,599,095 | D | G |
| 03 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 11,011 | $35.61 | 11,011 | I | P |
| 03 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 56,703 | $36.74 | 67,714 | I | P |
| 03 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 319,700 | $37.42 | 387,414 | I | P |
| 06 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 18,414 | $37.89 | 405,828 | I | P |
| 06 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 80,863 | $38.68 | 486,691 | I | P |
| 06 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 13,748 | $39.52 | 500,439 | I | P |
| 22 Sep, 2025 | Mo Qatanani | Common Stock | D | 3,353 | $30.67 | 108,964 | D | S |
| 16 Sep, 2025 | Mo Qatanani | Common Stock | D | 3,178 | $33.52 | 112,317 | D | S |
| 16 Sep, 2025 | Katie Peng | Common Stock | D | 930 | $32.48 | 33,990 | D | S |
| 16 Sep, 2025 | Katie Peng | - | - | 33,990 | D | |||
| 16 Sep, 2025 | Katie Peng | Common Stock | D | 76 | $33.20 | 33,914 | D | S |