Column Group Iii Gp, Lp bought $300K of Surrozen (SRZN)

Executed Jan 6, disclosed Jan 8, 2 days later.

Value, as filed

$300K

15,100 sh across 2 lots

Executed

Jan 6

the trade date, as filed

Disclosed

Jan 8

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

+14.9%

+24.8% from execution

Over the 21 trading sessions from the disclosed entry session (Jan 8), the stock returned +14.9% (delay-adjusted); from the execution session (Jan 6), +24.8%. Derived: entry at the session's open, exit at the close 20 sessions later.

The filer

CL Column Group Iii Gp, Lp 10% owner profile →

Column Group Iii Gp, Lp (10% owner) filed 5 Form 4 reports as a reporting entity in the trailing twelve months (5 purchases, 0 sales), most often in Surrozen, Inc. (SRZN). Across 5 priced purchase filings, the average 21-session return was +35.4% from execution and +27.4% from disclosure (delay-adjusted; derived). The largest single filing was $4.0M of SRZN (315,457 sh across 2 lots, as filed), executed Nov 13 2025.

The name

SRZN

Surrozen, Inc. SRZN · Healthcare · 16 filings in 24 months ticker →

Healthcare · Surrozen, Inc., a biotechnology company, discovers and develops product candidates to selectively modulate the Wnt pathway for tissue repair

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Column Group Iii Gp, Lp in SRZN

SRZNPURCHASE Surrozen, Inc. $590K
29,945 sh across 4 lots
Exec Jan 15
Filed Jan 20 · 7:35 PM ET SRZNPURCHASE Surrozen, Inc. $247K
12,470 sh across 2 lots
Exec Jan 13
Filed Jan 15 · 4:10 PM ET SRZNPURCHASE Surrozen, Inc. $604K
30,884 sh across 2 lots
Exec Dec 5 2025
Filed Dec 8 2025 · 5:04 PM ET SRZNPURCHASE Surrozen, Inc. $4.0M
315,457 sh across 2 lots
Exec Nov 13 2025
Filed Nov 17 2025 · 7:15 PM ET