DEYOUNG CASI

PrivateCIK: 1652066
Location

AUSTIN, TX

DEYOUNG CASI (Chief Business Officer) reported 1 transaction at SHATTUCK LABS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderDEYOUNG CASICIK 1652066
IssuerSHATTUCK LABS, INC.CIK 1680367
Officer· Chief Business Officer
Since Oct 2020
+375.90K
Net shares
Net buyer
$27.1K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
381.60K acquired · 5.70K disposed
Non-Derivative Transactions1

Common Stock

Direct
F · Tax Withholding

Shares

5.70K

Price / share

$4.75

Trade value

$27.07K

% of position

7.0%
1/10/2026
81.47K75.77K
Total

Net shares

5.70K

Net value

-$27.07K

Derivative Transactions1

Common Stock

Direct
A · Award
Converts to

Common Stock

381.60K shares

Shares

+381.60K

Strike price

4.75

Held after

381.60K

Exercisable

1/10/2026
DEYOUNG CASI — Insider Transaction (Form 4) Filed Jan 13, 2026 | Finecho