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Who

Charles O. Williams

Chief Operating Officer

Company insider

Files Form 4 as: Chief Operating Officer, Surrozen.

In numbers

Trades disclosed
56
Buys
1
Sells
3
Bought
$0
Sold
$218K
Companies
1
Companies where not an officer
0
First trade
12 Aug 2021
Last trade
15 Jun 2026
Last filed
16 Jun 2026

Companies traded

Where they are an officer
SRZN SurrozenOfficer · Biotechnology · last 15 Jun 20261 buy · 3 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Jun 2026filed 16 Jun 2026SRZN SurrozenBiotechnologySEC FORM 4 Code A$14K1,666 at $8.11filing
15 Jun 2026filed 16 Jun 2026SRZN SurrozenBiotechnologySEC FORM 4 Code A$14K1,666 at $8.11filing
4 May 2026filed 5 May 2026SRZN SurrozenBiotechnologySEC FORM 4 Sold$68K2,036 at $33.33filing
4 May 2026filed 5 May 2026SRZN SurrozenBiotechnologySEC FORM 4 Sold$68K2,036 at $33.33filing
1 May 2026filed 5 May 2026SRZN SurrozenBiotechnologySEC FORM 4 Code M—5,625filing
1 May 2026filed 5 May 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code M—5,625 at $0.00filing
1 May 2026filed 5 May 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code M—5,625 at $0.00filing
1 May 2026filed 5 May 2026SRZN SurrozenBiotechnologySEC FORM 4 Code M—5,625filing
17 Feb 2026filed 18 Feb 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code A—102,900 at $0.00filing
17 Feb 2026filed 18 Feb 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code A—102,900 at $0.00filing
17 Feb 2026filed 18 Feb 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code A—102,900 at $0.00filing
17 Feb 2026filed 18 Feb 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code A—102,900 at $0.00filing
23 Jan 2026filed 26 Jan 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code A—500 at $0.00filing
23 Jan 2026filed 26 Jan 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code A—500 at $0.00filing
5 Jan 2026filed 6 Jan 2026SRZN SurrozenBiotechnologySEC FORM 4 Sold$31K1,566 at $19.87filing
5 Jan 2026filed 6 Jan 2026SRZN SurrozenBiotechnologySEC FORM 4 Sold$31K1,566 at $19.87filing
2 Jan 2026filed 6 Jan 2026SRZN SurrozenBiotechnologySEC FORM 4 Code M—3,500filing
2 Jan 2026filed 6 Jan 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code M—3,500 at $0.00filing
2 Jan 2026filed 6 Jan 2026SRZN Surrozenoption or derivative · BiotechnologySEC FORM 4 Code M—3,500 at $0.00filing
2 Jan 2026filed 6 Jan 2026SRZN SurrozenBiotechnologySEC FORM 4 Code M—3,500filing

Sectors

Health Care4

Buys in green, sells in red, by the company’s sector.

Related people

Chen-Ming YuChief Executive Officer · 10% owner at Surrozen, Inc./DE, filing Form 4 there in the last year
TCG Crossover GP II, LLC10% owner · 10% owner at Surrozen, Inc./DE, filing Form 4 there in the last year
Craig C. ParkerChief Executive Officer · Chief Executive Officer at Surrozen, Inc./DE, filing Form 4 there in the last year
Andrew Pedrum MalekiChief Financial Officer · Chief Financial Officer at Surrozen, Inc./DE, filing Form 4 there in the last year
Yang LiExec. Vice President, Research · Exec. Vice President, Research at Surrozen, Inc./DE, filing Form 4 there in the last year