Transaction · 0001193125-26-429058

Column Group III GP, LP

COLUMN GROUP III GP, LP, 10%, reported a transaction classified as exercise at Surrozen, Inc. DE involving 274327.000000 shares. Reported holdings after the transaction were 457211.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code X10%
SRZNSurrozen, Inc. DE
Trade date
Oct 20, 2026
Filing date
Oct 22, 2026
View on SEC Insider profile
Estimated value—Shares × reported price
Shares traded274kPrice unknown
Holdings after457kIndirect · By The Column Group III-A, LP
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

SRZN price since this filing

Daily closing prices, with the filing date and available return windows
SRZN · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +0.0%1w ago +0.0%1d ago +0.0%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code X
Identifier
0001193125-26-429058
Series E Common Warrants
Transaction date
Oct 20, 2026
Filed Oct 22, 2026, 08:48 PM · 2d delay
Shares
274,327 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
457,211 sh
Indirect · By The Column Group III-A, LP

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Large Holdings Increase
Filing-only score

-20 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    Each Second Tranche Unit consists of (a) one share of the Issuer's Common Stock and (b) one half of a Series E Common Warrant to purchase shares of Common Stock. The Second Tranche Units were purchase…

  2. F2

    Represents a price per unit, consisting of (i) $11.5375 per share of the Issuer's Common Stock and (ii) $0.0625 attributable to accompanying warrants to purchase shares of the Issuer's Common Stock, w…

  3. F3

    The securities are directly held by The Column Group III, LP ("TCG III LP"). The Column Group III GP, LP ("TCG III GP") is the general partner of TCG III LP and may be deemed to have voting, investmen…

  4. F4

    The securities are directly held by The Column Group III-A, LP ("TCG III-A LP"). TCG III GP is the general partner of TCG III-A LP and may be deemed to have voting, investment and dispositive power wi…

  5. F5

    The securities are directly held by The Column Group Opportunity III, LP ("TCG Opportunity III LP"). The Column Group Opportunity III GP, LP ("TCG Opportunity III GP LP") is the general partner of TCG…

  6. F6

    Consists of (a) 485,830 shares of the Issuer's Common Stock and (b) 242,915 Series E Common Warrants to purchase shares of the Issuer's Common Stock.

  7. F7

    Consists of (a) 548,653 shares of the Issuer's Common Stock and (b) 274,327 Series E Common Warrants to purchase shares of the Issuer's Common Stock.

  8. F8

    Consists of (a) 517,241 shares of the Issuer's Common Stock and (b) 258,620 Series E Common Warrants to purchase shares of the Issuer's Common Stock.

  9. F9

    These Series E Common Warrants are exercisable immediately and will not expire until exercised in full (subject to certain beneficial ownership limitations).

Original filing · 0001193125-26-429058
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