LI YANG

PrivateCIK: 1990537
Location

SOUTH SAN FRANCISCO, CA

LI YANG (Exec. Vice President, Research) sold 8.4% of their position (1.58K shares) of SURROZEN, INC./DE on the open market

Open‑market sale worth $52.8K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderLI YANGCIK 1990537
IssuerSURROZEN, INC./DECIK 1824893
Officer· Exec. Vice President, Research
Since Feb 2026
-1.58K
Net shares
Net seller
$52.8K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
4.38K acquired · 5.96K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+4.38K

Price / share

Trade value

% of position

30.3%
5/1/2026
14.43K18.80K

Common Stock

Direct
S · Sale

Shares

1.58K

Price / share

$33.33

Trade value

$52.80K

% of position

8.4%
5/4/2026
18.80K17.22K
Total

Net shares

+2.79K

Net value

-$52.80K

Derivative Transactions1

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

4.38K shares

Shares

4.38K

Strike price

Held after

4.38K

Exercisable

5/1/2026
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned351.00

Common Stock

Indirect
Shares owned351.00
Total
702.00 indirect702.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
LI YANG — Insider Transaction (Form 4) Filed May 5, 2026 | Finecho