Over the 90-day window ending January 10, 2026, Scholar Rock Holding's three dominant insider ownership positions are held by TenPercentOwner Public Equities, L.P. Invus (9.25Mn shares), TenPercentOwner Biocapital Gp, Llc Samsara (6.79Mn shares), Director Srinivas Akkaraju (6.39Mn 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 | |
| Srinivas Akkaraju | 6,388,746 | 23 May, 2025 | |
| 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 |
| Keith Woods | Chief Operating Officer | 600,000 | 29 Apr, 2025 |
| Vikas Sinha | Chief Financial Officer | 600,000 | 29 Apr, 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 | |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 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 |
| 12 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 1,064,804 | $7.35 | 6,367,614 | I | X |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 8,035 | $35.15 | 245,426 | 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 | 1,281 | $7.62 | 202,570 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | D | 136,462 | $45.21 | 108,964 | D | S |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 23,571 | $15.75 | 237,391 | 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 | 65,625 | $26.05 | 174,589 | D | M |
| 04 Dec, 2025 | Mo Qatanani | Common Stock | A | 5,607 | $4.86 | 201,289 | D | M |
| 08 Oct, 2025 | David Hallal | Common Stock | D | 205,000 | $0.00 | 1,599,095 | D | G |
| 07 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 12,400 | $40.18 | 525,635 | I | P |
| 07 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 4,403 | $40.97 | 530,038 | I | P |
| 07 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 12,796 | $39.31 | 513,235 | I | P |
| 06 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 13,748 | $39.52 | 500,439 | 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 |
| 03 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 319,700 | $37.42 | 387,414 | I | P |
| 03 Oct, 2025 | Srinivas Akkaraju | Common Stock | A | 11,011 | $35.61 | 11,011 | I | P |