Insider Transactions Reported by 27 Insiders of
Scholar Rock Holding Corp
-
Symbol
-
SRRK on Nasdaq
-
Location
-
Cambridge, MA
Quick Takeaways
- SRRK - Scholar Rock Holding Corp has 27 insiders with reported activity on this page.
- Net insider value flow over the last year: +$210,728.
- Recent transaction rows are available for direct filing-level review.
What Changed
- Buy value: $19,988,986; sell value: $19,778,257.
- Net share flow: <span class="text-green-600">+50,335</span>.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Filed on Form 4
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
See Original Filing
Insiders trading volume in the past year
Insider trading buckets (0-12 months)
Scholar Rock Holding Corp executives and other stock owners filed with the SEC include:
| Name |
Relationship |
Holdings Value |
Past Year Net Change |
Change % |
Valuation |
Report Date |
| Invus Public Equities, L.P. |
10%+ Owner |
$385,262,708 |
|
|
Filing P/S |
10 Dec 2024 |
| Samsara BioCapital GP, LLC |
10%+ Owner |
$108,133,716 |
|
|
Mixed |
16 Oct 2023 |
| Siren, L.L.C. |
10%+ Owner |
$101,166,050 |
|
|
Mixed |
25 Jul 2024 |
| David Hallal |
Chief Executive Officer, Director |
$81,659,710 |
-$2,453,115 |
-2.9% |
Mixed |
09 Feb 2026 |
| Invus Global Management, LLC |
10%+ Owner |
$79,563,845 |
|
|
Mixed |
11 Dec 2025 |
| Kristina M. Burow. |
Director |
$74,283,952 |
-$160,511 |
-0.22% |
Mixed |
29 May 2025 |
| Srinivas Akkaraju |
Director |
$69,429,463 |
+$19,988,986 |
+40% |
Mixed |
07 Oct 2025 |
| Akshay Vaishnaw |
President of R&D, Director |
$27,999,845 |
-$1,073,315 |
-3.7% |
Mixed |
09 Feb 2026 |
| Keith Woods |
Chief Operating Officer |
$27,454,779 |
-$715,054 |
-2.5% |
Mixed |
09 Feb 2026 |
| Vikas Sinha |
Chief Financial Officer |
$27,454,386 |
-$715,439 |
-2.5% |
Mixed |
09 Feb 2026 |
| Backstrom Jay T. |
CHIEF EXECUTIVE OFFICER, Director |
$16,062,247 |
|
|
Mixed |
10 Mar 2025 |
| Junlin Ho |
General Counsel |
$11,238,654 |
-$1,040,428 |
-8.5% |
Filing P/S |
17 Feb 2026 |
| Caryn Parlavecchio |
Chro |
$7,867,313 |
-$979,776 |
-11% |
Filing P/S |
17 Feb 2026 |
| Nagesh K. Mahanthappa |
Interim CEO and President |
$7,653,597 |
|
|
Mixed |
16 Jun 2022 |
| Jing L. Marantz |
Chief Medical Officer |
$5,863,111 |
-$451,299 |
-7.1% |
Filing P/S |
17 Feb 2026 |
| Mo Qatanani |
Chief Scientific Officer |
$4,772,613 |
-$9,758,933 |
-67% |
Filing P/S |
23 Feb 2026 |
| Yung H. Chyung |
Chief Medical Officer |
$4,117,505 |
|
|
Mixed |
14 Feb 2022 |
| Edward H. Myles |
Coo & Cfo |
$3,882,600 |
|
|
Filing P/S |
10 Mar 2025 |
| Erin Moore |
Interim PFO and PAO |
$2,735,994 |
|
|
Filing P/S |
24 Mar 2025 |
| Tracey Sacco |
Chief Commercial Officer |
$2,402,548 |
-$164,131 |
-6.4% |
Filing P/S |
25 Apr 2025 |
| Gregory John Carven |
Chief Scientific Officer |
$2,042,187 |
|
|
Mixed |
16 Jun 2022 |
| Michael Gilman |
Director |
$1,647,341 |
-$100,304 |
-5.7% |
Filing P/S |
29 May 2025 |
| Katie Peng |
Director |
$1,468,828 |
-$173,966 |
-11% |
Filing P/S |
16 Dec 2025 |
| Jeffrey S. Flier |
Director |
$852,559 |
-$1,650,994 |
-66% |
Mixed |
16 Jul 2025 |
| Amir Nashat |
Director |
$608,302 |
|
|
Mixed |
09 May 2024 |
| Joshua Reed |
Director |
$472,644 |
-$160,463 |
-25% |
Filing P/S |
29 May 2025 |
| Richard Brudnick |
Director |
$451,756 |
-$180,531 |
-29% |
Filing P/S |
29 May 2025 |
Recent Insider Transactions by Companies or Individuals for Scholar Rock Holding Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider |
Symbol |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares Owned |
Date |
Ownership |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-7.93% |
$399,351 |
$47.07 |
-8,484 |
98,445 |
23 Feb 2026 |
Direct |
| Jing L. Marantz |
SRRK |
Common Stock |
Sale |
-3.19% |
$193,418 |
$46.53 |
-4,157 |
126,012 |
17 Feb 2026 |
Direct |
| Junlin Ho |
SRRK |
Common Stock |
Sale |
-3.81% |
$445,740 |
$46.53 |
-9,580 |
241,545 |
17 Feb 2026 |
Direct |
| Caryn Parlavecchio |
SRRK |
Common Stock |
Sale |
-5.07% |
$420,382 |
$46.53 |
-9,035 |
169,087 |
17 Feb 2026 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-6.95% |
$371,714 |
$46.53 |
-7,989 |
106,929 |
17 Feb 2026 |
Direct |
| Akshay Vaishnaw |
SRRK |
Common Stock |
Award |
7.89% |
|
|
47,021 |
642,788 |
09 Feb 2026 |
Direct |
| Vikas Sinha |
SRRK |
Common Stock |
Award |
8.06% |
|
|
47,021 |
630,266 |
09 Feb 2026 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Award |
34.2% |
|
|
29,258 |
114,918 |
09 Feb 2026 |
Direct |
| Caryn Parlavecchio |
SRRK |
Common Stock |
Award |
19.6% |
|
|
29,258 |
178,122 |
09 Feb 2026 |
Direct |
| Jing L. Marantz |
SRRK |
Common Stock |
Award |
36% |
|
|
34,482 |
130,169 |
09 Feb 2026 |
Direct |
| Junlin Ho |
SRRK |
Common Stock |
Award |
17% |
|
|
36,572 |
251,125 |
09 Feb 2026 |
Direct |
| David Hallal |
SRRK |
Common Stock |
Award |
8.3% |
|
|
128,004 |
1,669,649 |
09 Feb 2026 |
Direct |
| Keith Woods |
SRRK |
Common Stock |
Award |
8.06% |
|
|
47,021 |
630,275 |
09 Feb 2026 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-14.8% |
$695,938 |
$46.71 |
-14,898 |
85,660 |
22 Jan 2026 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-7.71% |
$373,880 |
$44.48 |
-8,406 |
100,558 |
16 Jan 2026 |
Direct |
| Caryn Parlavecchio |
SRRK |
Common Stock |
Sale |
-4.25% |
$293,553 |
$44.48 |
-6,600 |
148,864 |
16 Jan 2026 |
Direct |
| Jing L. Marantz |
SRRK |
Common Stock |
Sale |
-5.71% |
$257,882 |
$44.48 |
-5,798 |
95,687 |
16 Jan 2026 |
Direct |
| Junlin Ho |
SRRK |
Common Stock |
Sale |
-3.6% |
$356,533 |
$44.48 |
-8,016 |
214,553 |
16 Jan 2026 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-10.7% |
$592,611 |
$45.20 |
-13,112 |
108,964 |
14 Jan 2026 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Options Exercise |
12% |
|
|
13,112 |
122,076 |
14 Jan 2026 |
Direct |
| Mo Qatanani |
SRRK |
Stock Option (Right to Buy) |
Options Exercise |
-100% |
|
|
-13,112 |
0 |
14 Jan 2026 |
Direct |
| Vikas Sinha |
SRRK |
Common Stock |
Sale |
-2.79% |
$715,438 |
$42.70 |
-16,755 |
583,245 |
13 Jan 2026 |
Direct |
| R. Keith Woods |
SRRK |
Common Stock |
Sale |
-2.79% |
$715,054 |
$42.70 |
-16,746 |
583,254 |
13 Jan 2026 |
Direct |
| Akshay Vaishnaw |
SRRK |
Common Stock |
Sale |
-3.32% |
$872,703 |
$42.70 |
-20,438 |
595,767 |
13 Jan 2026 |
Direct |
| David Hallal |
SRRK |
Common Stock |
Sale |
-3.59% |
$2,453,115 |
$42.70 |
-57,450 |
1,541,645 |
13 Jan 2026 |
Direct |
| Katie Peng |
SRRK |
Common Stock |
Sale |
-2.97% |
$44,352 |
$44.09 |
-1,006 |
32,908 |
16 Dec 2025 |
Direct |
| Srinivas Akkaraju |
SRRK |
Common Stock |
Exercise of in-the-money or at-the-money derivative security |
20.1% |
|
|
1,064,804 |
6,367,614 |
12 Dec 2025 |
By Samsara BioCapital, L.P. |
| Srinivas Akkaraju |
SRRK |
Warrants to Purchase Common Stock |
Exercise of in-the-money or at-the-money derivative security |
-100% |
|
|
-1,064,804 |
0 |
12 Dec 2025 |
By Samsara BioCapital LP |
| Invus Global Management, LLC |
SRRK |
Common Stock |
Exercise of in-the-money or at-the-money derivative security |
17% |
|
|
1,575,008 |
10,825,013 |
11 Dec 2025 |
Direct |
| Invus Global Management, LLC |
SRRK |
Warrant (right to buy) |
Exercise of in-the-money or at-the-money derivative security |
-100% |
|
|
-1,575,008 |
0 |
11 Dec 2025 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-55.6% |
$6,169,788 |
$45.21 |
-136,462 |
108,964 |
04 Dec 2025 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Options Exercise |
125.2% |
|
|
136,462 |
245,426 |
04 Dec 2025 |
Direct |
| Mo Qatanani |
SRRK |
Stock Option (Right to Buy) |
Options Exercise |
-100% |
|
|
-136,462 |
0 |
04 Dec 2025 |
Direct |
| David Hallal |
SRRK |
Common Stock |
Gift |
-11.4% |
|
|
-205,000 |
1,599,095 |
08 Oct 2025 |
Direct |
| Srinivas Akkaraju |
SRRK |
Common Stock |
Purchase |
5.91% |
$1,181,634 |
$39.92 |
29,599 |
530,038 |
07 Oct 2025 |
By Samsara Opportunity Fund, L.P. |
| Srinivas Akkaraju |
SRRK |
Common Stock |
Purchase |
29.2% |
$4,368,808 |
$38.65 |
113,025 |
500,439 |
06 Oct 2025 |
By Samsara Opportunity Fund, L.P. |
| Srinivas Akkaraju |
SRRK |
Common Stock |
Purchase |
|
$14,438,544 |
$37.27 |
387,414 |
387,414 |
03 Oct 2025 |
By Samsara Opportunity Fund, L.P. |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-2.99% |
$102,846 |
$30.67 |
-3,353 |
108,964 |
22 Sep 2025 |
Direct |
| Katie Peng |
SRRK |
Common Stock |
Sale |
-2.88% |
$32,726 |
$32.53 |
-1,006 |
33,914 |
16 Sep 2025 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-2.75% |
$106,527 |
$33.52 |
-3,178 |
112,317 |
16 Sep 2025 |
Direct |
| Caryn Parlavecchio |
SRRK |
Common Stock |
Sale |
-1.38% |
$67,880 |
$31.17 |
-2,178 |
155,464 |
18 Aug 2025 |
Direct |
| Jeffrey S. Flier |
SRRK |
Common Stock |
Sale |
-100% |
$445,688 |
$40.02 |
-11,136 |
0 |
16 Jul 2025 |
Trust |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-17.2% |
$828,898 |
$34.44 |
-24,066 |
115,495 |
08 Jul 2025 |
Direct |
| Jeffrey S. Flier |
SRRK |
Common Stock |
Sale |
-50% |
$369,818 |
$33.21 |
-11,136 |
11,136 |
23 Jun 2025 |
By trust |
| Jeffrey S. Flier |
SRRK |
Common Stock |
Sale |
-45.8% |
$654,904 |
$32.24 |
-20,316 |
24,070 |
23 Jun 2025 |
Direct |
| Jeffrey S. Flier |
SRRK |
Common Stock |
Options Exercise |
84.4% |
|
|
20,316 |
44,386 |
23 Jun 2025 |
Direct |
| Jeffrey S. Flier |
SRRK |
Stock Option (Right to Buy) |
Options Exercise |
-100% |
|
|
-20,316 |
0 |
23 Jun 2025 |
Direct |
| Katie Peng |
SRRK |
Common Stock |
Sale |
-7.99% |
$96,888 |
$31.97 |
-3,031 |
34,920 |
16 Jun 2025 |
Direct |
| Mo Qatanani |
SRRK |
Common Stock |
Sale |
-2.56% |
$117,381 |
$32.00 |
-3,668 |
139,561 |
16 Jun 2025 |
Direct |
| Caryn Parlavecchio |
SRRK |
Common Stock |
Sale |
-3.78% |
$197,961 |
$32.00 |
-6,186 |
157,642 |
16 Jun 2025 |
Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.