Scholar Rock Holding Corp files with the SEC under CIK 0001727196 and is classified as biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector.
SRRK Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market purchase
6
289,470
$12.00M
Bona-fide gift
2
84,686
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
SRRK insider transactions (Form 4)
59
67 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 1 of 3.
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $40.77 to $41.75 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of… Full note on SEC EDGAR
Footnote F5 (price): The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $41.78 to $41.85 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $41.15 to $41.93 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of… Full note on SEC EDGAR
Footnote F1 (shares): On September 24, 2026, the reporting person transferred 48,034 shares of the Issuer's Common Stock to the RKW Irrevocable Trust for no consideration. The reporting person's spouse serves as trustee of the RKW Irrevocable Trust. The reporting person disclaims beneficial ownership… Full note on SEC EDGAR
Footnote F1 (shares): On September 21, 2026, the reporting person transferred 36,652 shares of the Issuer's Common Stock to The Hallal Family Irrevocable Trust-2021 (the "Hallal 2021 Trust") for no consideration. The reporting person and his spouse serve as trustees of the Hallal 2021 Trust. The… Full note on SEC EDGAR
Footnote F1 (shares): This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $52.960 to $53.944, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.950 to $54.800, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.805 to $55.010, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F1 (shares): This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $52.970 to $53.955, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.960 to $54.750, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.790 to $55.010, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F1 (shares): This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.050 to $54.030, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.040 to $54.795, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F1 (shares): This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 21, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.050 to $54.030, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.040 to $54.795, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F1 (shares): This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 20, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs).
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $52.970 to $53.965, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $53.967 to $54.815, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $54.860 to $55.016, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSUs") on April 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSUs") on April 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSUs") on April 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSUs") on April 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025.
Footnote F2 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.52 to $47.48, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $47.55 to $48.19, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.30 to $48.66, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSU") on February 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSU") on February 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSU") on February 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units ("RSU") on February 15, 2026. This sale is mandated by the Issuer's election under its equity incentive… Full note on SEC EDGAR
Footnote F1 (shares): Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four… Full note on SEC EDGAR
Footnote F1 (shares): Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four… Full note on SEC EDGAR
Footnote F1 (shares): Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four… Full note on SEC EDGAR
Footnote F1 (shares): Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four… Full note on SEC EDGAR
Footnote F1 (shares): Represents restricted stock units ("RSUs") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
Scholar Rock Holding Corp (SRRK) had 3 insider filings in the last 90 days, with the most recent on 27 October 2026. The full record for SRRK runs to 67 Form 4 filings, the earliest from 7 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying SRRK stock?
6 insider purchases of SRRK were filed in the last 90 days, totaling $12.00M.
How many insiders are selling SRRK stock?
No insider sales of SRRK were filed in the last 90 days. 70 sales are on record for this company.
Where can I see SRRK SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects SRRK Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.