COLUMN GROUP III-A, LP

CIK 1668085 · last filed 2026-01-15

COLUMN GROUP III-A, LP is a corporate insider who has filed 13 SEC Form 4 insider transactions across 4 companies since 2019. The most recent filing shows the insider bought $2.5M of SRZNW on Jan 15, 2026. Across all open-market trades the lifetime net is +$199.8M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $1.23B across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$1.23B

Companies

4

Total Filings

13

Lifetime Open-Market Net

$199.83M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
SRZNW 10%+ Owner 996,502 $0.02 $18.0K $2.50M 1 2026-01-15
NGM BIOPHARMACEUTICALS INC (NGM) Delisted 10%+ Owner 11,203,333 $1.54 $17.25M $47.33M 10 2023-01-17
TNYA 10%+ Owner 4,414,720 $0.71 $3.14M $150.00M 1 2022-11-23
RVMD 10%+ Owner 7,977,384 $153.87 $1.23B $0 1 2020-02-18

Recent Filings

13 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-01-15 SRZNW Buy (P) +125,951 $2.50M EDGAR
2023-01-17 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +53,780 $266.0K EDGAR
2022-11-23 TNYA Buy (P) +57,692,304 $150.00M EDGAR
2022-06-02 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +1,230,448 $16.56M EDGAR
2022-05-23 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +317,600 $4.24M EDGAR
2020-08-03 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +4,392 $79.0K EDGAR
2020-04-07 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +553,260 $7.84M EDGAR
2020-04-02 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +1,003,936 $12.44M EDGAR
2020-03-06 NGM BIOPHARMACEUTICALS INC (NGM) Delisted Buy (P) +33,228 $598.1K EDGAR
2020-02-18 RVMD Conv (C) +79,773,840 $0 EDGAR
Showing 110 of 13
Page 1 of 2
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.