Scholar Rock Holding Corp · Other acquisition · Common Stock

What does this filing report?

An SEC Form 4 filing for Scholar Rock Holding Corp records an other acquisition involving Common Stock on December 12, 2025. The reported quantity was 1,064,804. The filing date is December 16, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Filing footnotes & remarks

F1

The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $38.85 to $39.849 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2

Securities are directly held by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund"). Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein.

F3

The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $39.8512 to $40.85 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F4

The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $40.87 to $41.00 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F5

Securities are directly held by Samsara BioCapital LP ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. The Reporting Person has voting and investment power over the securities held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.