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SRRK · Scholar Rock Holding Corp

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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

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SRRK

Name: Scholar Rock Holding Corp (SRRK) insider trading and ownership data
Creator: WaveMan
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Scholar Rock Holding Corp

PHARMA & BIOTECH · BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES) · CIK 0001727196

FORM 144 · 6☆ WATCH

INSIDER NET · 180D

-$4.1M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

187

13F, latest reported quarter

REVENUE GROWTH

-100.0%

XBRL, annual

NET MARGIN

CONVERSIONS · 180D

codes C/M, not in net · $820.3K priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$4.1M over 180 days

-$923.1K over 90 days

below 76% of Pharma & Biotech

CONGRESS

no member of Congress has reported trading it

FUNDS

187 funds added or opened last quarter

more than 85% of Pharma & Biotech

REVENUE

-100.0% year over year

the lowest in Pharma & Biotech

MARGIN

no margin: this company reports no revenue to divide by

BUYBACKS

no share repurchases reported

SHORT

no short interest reported

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$4.1M across 9 people in 180 days.

187 funds added or opened positions in the latest 13F quarter, of 308 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +69.4%

+69.4%12M

INSIDER BUYINSIDER SELLFORM 144

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders have filed to sell — before selling.

The record shows a net $4.1M sold by insiders over 180 days, 187 funds added last quarter, $1.6M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

UTHR CPIX MRNA REGN LLY ALNY ELF CITR MDGL DNA VRTX NUVL

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Scholar Rock Holding Corp insiders sold a net $4.1M of stock across 163 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Burow Kristina

Director

SELL

2026-07-01

2,105.0

$112.6K

Burow Kristina

Director

SELL

2026-07-01

948.0

$51.5K

FLIER JEFFREY S.

Director

SELL

2026-07-01

1,568.0

$83.9K

FLIER JEFFREY S.

Director

SELL

2026-07-01

1,470.0

$79.7K

FLIER JEFFREY S.

Director

SELL

2026-07-01

15.0

$823

163 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 158 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

FMR LLC

17,995,241.0 sh

$989.7M

Siren, L.L.C.

9,575,013.0 sh

$526.6M

BlackRock, Inc.

9,494,084.0 sh

$522.2M

SAMSARA BIOCAPITAL, LLC

6,897,652.0 sh

$379.4M

WELLINGTON MANAGEMENT GROUP LLP

6,727,085.0 sh

$370.0M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

Planned sales · Form 144

Filed before the sale — intent, not a trade

Mohammed Qatanani

FILED 2026-07-06

$640.0K

Kristina Burow

FILED 2026-07-01

$167.3K

Jeffrey S. Flier

FILED 2026-07-01

$167.3K

Michael Gilman

FILED 2026-07-01

$139.4K

Katie Peng

FILED 2026-07-01

$298.4K

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Eventide Gilead Fund

$71.8M POSITION · AS OF 2026-03-31

2.7%

Eventide Healthcare & Life Sciences Fund

$35.3M POSITION · AS OF 2026-03-31

2.2%

PGIM Jennison Health Sciences Fund

$23.2M POSITION · AS OF 2026-02-27

1.6%

ClearBridge Small Cap Fund

$11.1M POSITION · AS OF 2026-04-30

1.5%

Select Biotechnology Portfolio

$73.1M POSITION · AS OF 2026-02-28

1.4%

State Street(R) SPDR(R) S&P(R) Biotech ETF

$96.5M POSITION · AS OF 2026-03-31

1.3%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$0	—	—	$33.2M
OPERATING INCOME	$-384.6M	$-252.1M	$-171.3M	$-134.4M
NET INCOME	$-378.0M	$-246.0M	$-166.0M	$-134.5M
EPS (DILUTED)	-3.29	-2.47	-1.99	-2.26
OPERATING CASH FLOW	$-300.0M	$-200.9M	$-145.2M	$-132.7M
CASH	$323.5M	$177.9M	$101.9M	$103.3M
LONG-TERM DEBT	$99.7M	$50.1M	$48.7M	$49.7M

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE