QATANANI MO

PrivateCIK: 1980298
Location

CAMBRIDGE, MA

QATANANI MO (CHIEF SCIENTIFIC OFFICER) sold 55.6% of their position (136.46K shares) of SCHOLAR ROCK HOLDING CORP on the open market

Open‑market sale worth $6.17M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderQATANANI MOCIK 1980298
IssuerSCHOLAR ROCK HOLDING CORPCIK 1727196
Officer· CHIEF SCIENTIFIC OFFICER
Since Feb 2026
-136.46K
Net shares
Net seller
$6.17M
Total sold
1
Open market trades
0B · 1S
15
Total transactions
136.46K acquired · 272.92K disposed
Non-Derivative Transactions8

Common Stock

Direct
M · Option Exercise

Shares

+65.63K

Price / share

$26.05

Trade value

$1.71M

% of position

60.2%
12/4/2025
108.96K174.59K

Common Stock

Direct
M · Option Exercise

Shares

+21.09K

Price / share

$18.08

Trade value

$381.36K

% of position

12.1%
12/4/2025
174.59K195.68K

Common Stock

Direct
M · Option Exercise

Shares

+5.61K

Price / share

$4.86

Trade value

$27.25K

% of position

2.9%
12/4/2025
195.68K201.29K

Common Stock

Direct
M · Option Exercise

Shares

+1.28K

Price / share

$7.62

Trade value

$9.76K

% of position

0.6%
12/4/2025
201.29K202.57K

Common Stock

Direct
M · Option Exercise

Shares

+11.25K

Price / share

$10.00

Trade value

$112.50K

% of position

5.6%
12/4/2025
202.57K213.82K

Common Stock

Direct
M · Option Exercise

Shares

+23.57K

Price / share

$15.75

Trade value

$371.24K

% of position

11.0%
12/4/2025
213.82K237.39K

Common Stock

Direct
M · Option Exercise

Shares

+8.04K

Price / share

$35.15

Trade value

$282.43K

% of position

3.4%
12/4/2025
237.39K245.43K

Common Stock

Direct
S · Sale

Shares

136.46K

Price / share

$45.21

Trade value

$6.17M

% of position

55.6%
12/4/2025
245.43K108.96K
Total

Net shares

+0.00

Net value

-$3.28M

Derivative Transactions7

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

65.63K shares

Shares

65.63K

Strike price

26.05

Held after

4.38K

Exercisable

12/4/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

21.09K shares

Shares

21.09K

Strike price

18.08

Held after

1.41K

Exercisable

12/4/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

5.61K shares

Shares

5.61K

Strike price

4.86

Held after

0.00

Exercisable

12/4/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

1.28K shares

Shares

1.28K

Strike price

7.62

Held after

1.28K

Exercisable

12/4/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

11.25K shares

Shares

11.25K

Strike price

10

Held after

14.06K

Exercisable

12/4/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

23.57K shares

Shares

23.57K

Strike price

15.75

Held after

53.04K

Exercisable

12/4/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

8.04K shares

Shares

8.04K

Strike price

35.15

Held after

34.82K

Exercisable

12/4/2025
QATANANI MO — Insider Transaction (Form 4) Filed Dec 5, 2025 | Finecho