CL
Insider
Column Group Iii Gp, Lp
10% ownerColumn 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.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+35.4%
avg across 5 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+27.4%
same 5 filings, from disclosure
Filings, ttm
5
5 buys · 0 sells
Median delay
3d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$5.7M
shares × price, as filed
Last traded
Jan 20
Filed Jan 20
Median ADV $4.7M across their filed names
Impact on $10,000 · 12M
$19,971 (+99.7%)
S&P 500 $11,725 (+17.2%) · 82.5 pts ahead
Column Group Iii Gp, Lp
S&P 500
Compounded across filings from disclosure dates · past 12 months
Open performance→Volume by month
Buys $5.7M
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
5 filings
Sector per market data · by filing · past 12 months
Most traded names
SRZNRecent filings
SRZNPURCHASE
Surrozen, Inc.
View filing →
$590K29,945 sh across 4 lots
Exec Jan 15
Filed Jan 20 · 7:35 PM ET SRZNPURCHASE Surrozen, Inc. View filing → $247K
12,470 sh across 2 lots
Exec Jan 13
Filed Jan 15 · 4:10 PM ET SRZNPURCHASE Surrozen, Inc. View filing → $300K
15,100 sh across 2 lots
Exec Jan 6
Filed Jan 8 · 5:23 PM ET SRZNPURCHASE Surrozen, Inc. View filing → $604K
30,884 sh across 2 lots
Exec Dec 5 2025
Filed Dec 8 2025 · 5:04 PM ET SRZNPURCHASE Surrozen, Inc. View filing → $4.0M
315,457 sh across 2 lots
Exec Nov 13 2025
Filed Nov 17 2025 · 7:15 PM ET