Scholar Rock Reports $0.6 Million ISEMBYLD Revenue in Third Quarter 2026

Scholar Rock (SRRK) reported third-quarter 2026 net product revenue of $0.6 million from U.S. sales of ISEMBYLD and a net loss of $107.2 million, or $0.81 per basic and diluted share.

The company said ISEMBYLD received FDA approval on September 11, 2026, and that it entered a definitive agreement in November to sell its Rare Pediatric Disease Priority Review Voucher for $205 million, subject to closing conditions.

• Cash, cash equivalents and marketable securities totaled $413.6 million as of September 30, 2026.
• ISEMBYLD was shipped to the specialty network before quarter-end, with initial patients infused in October.
• Scholar Rock resubmitted its European application for apitegromab, with a CHMP opinion expected in the first half of 2027.
• The company said its Japanese apitegromab application was accepted under priority review.

$SRRK Insider Trading Activity

$SRRK insiders have traded $SRRK stock on the open market 19 times in the past 6 months. Of those trades, 6 have been purchases and 13 have been sales.

Here’s a breakdown of recent trading of $SRRK stock by insiders over the last 6 months:

• SRINIVAS AKKARAJU has made 6 purchases buying 289,470 shares for an estimated $11,999,922 and 0 sales.
• KATIE PENG has made 0 purchases and 3 sales selling 5,446 shares for an estimated $293,404.
• JEFFREY S. FLIER has made 0 purchases and 3 sales selling 3,053 shares for an estimated $164,490.
• JOSHUA REED has made 0 purchases and 2 sales selling 3,053 shares for an estimated $164,067.
• KRISTINA BUROW has made 0 purchases and 2 sales selling 3,053 shares for an estimated $164,063.
• MICHAEL GILMAN has made 0 purchases and 3 sales selling 2,544 shares for an estimated $137,057.

To track insider transactions, check out Investivoq's insider trading dashboard. You can access data on insider stock transactions through the Investivoq API insider transaction endpoint.

$SRRK Hedge Fund Activity

We have seen 183 institutional investors add shares of $SRRK stock to their portfolio, and 105 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• REDMILE GROUP, LLC removed 4,755,529 shares (-52.5%) from their portfolio in Q2 2026, for an estimated $261,554,095
• MASSACHUSETTS FINANCIAL SERVICES CO /MA/ added 2,607,348 shares (+inf%) to their portfolio in Q2 2026, for an estimated $143,404,140
• BLACKROCK, INC. added 2,024,791 shares (+27.1%) to their portfolio in Q2 2026, for an estimated $111,363,505
• ORBIS ALLAN GRAY LTD added 1,753,550 shares (+42.0%) to their portfolio in Q2 2026, for an estimated $96,445,250
• VESTAL POINT CAPITAL, LP removed 1,324,422 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $72,843,210
• MORGAN STANLEY added 1,319,749 shares (+602.6%) to their portfolio in Q2 2026, for an estimated $72,586,195
• SIREN, L.L.C. removed 1,250,000 shares (-11.5%) from their portfolio in Q2 2026, for an estimated $68,750,000

To track hedge funds' stock portfolios, check out Investivoq's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Investivoq API 13F endpoint.