Scholar Rock Holding Corp (SRRK)
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Scholar Rock Holding Corp is a biopharmaceutical company focused on improving the lives of children and adults with Spinal Muscular Atrophy and other rare, severe, and debilitating neuromuscular diseases. Its pipeline candidates include apitegromab and a subcutaneous formulation of apitegromab. The clinical-stage pipeline also includes SRK-439, an investigational subcutaneously administered fully human anti-pro/latent myostatin antibody with high inhibitory potency and selectivity toward myostatin, being developed for the treatment of rare neuromuscular diseases. The company also maintains early-stage programs focused on therapies for rare, severe, and debilitating neuromuscular diseases.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 13 | 17,149 | $923K |
| Grant or award | 14 | 78,043 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
64 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 2 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Invus Global Management, LLC | Other | Common Stock | 1,575,008 | $7.35 | $11.58M | |
| Invus Global Management, LLC | Other | Warrant (right to buy) | 1,575,008 | $0.00 | - | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 2,119 | $45.87 | $97K | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 12,779 | $46.85 | $599K | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 8,406 | $44.48 | $374K | |
| Caryn Parlavecchio - Officer | Open-market sale | Common Stock | 6,600 | $44.48 | $294K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 5,798 | $44.48 | $258K | |
| Junlin Ho - Officer | Open-market sale | Common Stock | 8,016 | $44.48 | $357K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 1,407 | $18.08 | $25K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 321 | $7.62 | $2K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 2,813 | $10.00 | $28K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 5,893 | $15.75 | $93K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 2,678 | $35.15 | $94K | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 13,112 | $45.20 | $593K | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 1,407 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 321 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 2,813 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 5,893 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 2,678 | $0.00 | - | |
 Vikas Sinha - Officer | Open-market sale | Common Stock | 16,755 | $42.70 | $715K | |
| Keith Woods - Officer | Open-market sale | Common Stock | 16,746 | $42.70 | $715K | |
 Akshay Vaishnaw - Officer | Open-market sale | Common Stock | 20,438 | $42.70 | $873K | |
 David Hallal - Officer | Open-market sale | Common Stock | 57,450 | $42.70 | $2.45M | |
 Srinivas Akkaraju | Open-market purchase | Common Stock | 12,796 | $39.31 | $503K | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 12,400 | $40.18 | $498K | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 4,403 | $40.97 | $180K | |
| Srinivas Akkaraju | Other | Common Stock | 1,064,804 | $7.35 | $7.83M | |
| Srinivas Akkaraju | Other | Warrants to Purchase Common Stock | 1,064,804 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 65,625 | $26.05 | $1.71M | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 21,093 | $18.08 | $381K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 5,607 | $4.86 | $27K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 1,281 | $7.62 | $10K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 11,250 | $10.00 | $113K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 23,571 | $15.75 | $371K | |
| Mo Qatanani - Officer | Option exercise | Common Stock | 8,035 | $35.15 | $282K | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 136,462 | $45.21 | $6.17M | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 65,625 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 21,093 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 5,607 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 1,281 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 11,250 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 23,571 | $0.00 | - | |
| Mo Qatanani - Officer | Option exercise | Stock Option (Right to Buy) | 8,035 | $0.00 | - | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 11,011 | $35.61 | $392K | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 56,703 | $36.74 | $2.08M | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 319,700 | $37.42 | $11.96M | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 18,414 | $37.89 | $698K | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 80,863 | $38.68 | $3.13M | |
| Srinivas Akkaraju | Open-market purchase | Common Stock | 13,748 | $39.52 | $543K | |
| David Hallal - Officer | Gift | Common Stock | 205,000 | $0.00 | - | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 3,353 | $30.67 | $103K | |
| Katie Peng | Open-market sale | Common Stock | 930 | $32.48 | $30K | |
| Katie Peng | Open-market sale | Common Stock | 76 | $33.20 | $3K | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 3,178 | $33.52 | $107K | |
| Caryn Parlavecchio - Officer | Open-market sale | Common Stock | 2,178 | $31.17 | $68K | |
| Jeffrey S. Flier | Open-market sale | Common Stock | 11,136 | $40.02 | $446K | |
| Mo Qatanani - Officer | Open-market sale | Common Stock | 24,066 | $34.44 | $829K | |
| Michael Gilman | Open-market sale | Common Stock | 630 | $29.22 | $18K | |
| Michael Gilman | Open-market sale | Common Stock | 2,745 | $29.83 | $82K | |
| Michael Gilman - Director | Grant or award | Common Stock | 7,632 | $0.00 | - | |
| Michael Gilman - Director | Grant or award | Stock Option (Right to Buy) | 9,206 | $0.00 | - | |
| Srinivas Akkaraju - Director | Grant or award | Common Stock | 7,632 | $0.00 | - | |
| Srinivas Akkaraju - Director | Grant or award | Stock Option (Right to Buy) | 9,206 | $0.00 | - | |
| Invus Public Equities, L.P. | Open-market sale | Common Stock | 1,600,000 | $41.65 | $66.64M | |
| Invus Public Equities, L.P. | Open-market sale | Common Stock | 208,272 | $37.63 | $7.84M | |
| Invus Public Equities, L.P. | Open-market sale | Common Stock | 43,887 | $38.43 | $1.69M | |
| Invus Public Equities, L.P. | Open-market sale | Common Stock | 126,442 | $39.51 | $5.00M | |
| Invus Public Equities, L.P. | Open-market sale | Common Stock | 30,683 | $40.14 | $1.23M | |
| Invus Public Equities, L.P. | Open-market sale | Common Stock | 149 | $40.98 | $6K | |
| Jing L. Marantz - Officer | Option exercise | Common Stock | 2,145 | $8.59 | $18K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 2,145 | $30.01 | $64K | |
| Jing L. Marantz - Officer | Option exercise | Common Stock | 6,375 | $8.59 | $55K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 1,000 | $38.04 | $38K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 2,100 | $39.25 | $82K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 3,075 | $39.93 | $123K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 200 | $40.72 | $8K | |
| Jing L. Marantz - Officer | Option exercise | Stock Option (Right to Buy) | 2,145 | $0.00 | - | |
| Jing L. Marantz - Officer | Option exercise | Stock Option (Right to Buy) | 6,375 | $0.00 | - | |
| Jing L. Marantz - Officer | Option exercise | Common Stock | 2,105 | $8.59 | $18K | |
| Jing L. Marantz - Officer | Open-market sale | Common Stock | 2,105 | $30.00 | $63K | |
| Jing L. Marantz - Officer | Option exercise | Stock Option (Right to Buy) | 2,105 | $0.00 | - | |
| Michael Gilman | Gift | Common Stock | 37,459 | - | - | |
| Michael Gilman | Gift | Common Stock | 37,459 | - | - | |
| Edward H. Myles - Officer | Option exercise | Common Stock | 37,187 | $10.00 | $372K | |
| Edward H. Myles - Officer | Open-market sale | Common Stock | 37,187 | $34.90 | $1.30M | |
| Edward H. Myles - Officer | Option exercise | Stock Option (Right to Buy) | 37,187 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
Scholar Rock Holding Corp (SRRK) had 12 insider filings in the last 90 days, with the most recent on 2026-07-06. The full record for SRRK runs to 64 Form 4 filings, the earliest from 2024-10-07. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of SRRK were filed in the last 90 days. 9 purchases are on record for this company.
13 insider sales of SRRK were filed in the last 90 days, totaling $923K.
This page tracks SRRK Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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