COLUMN GROUP III-A, LP

10% owner at NGM BIOPHARMACEUTICALS INC · on record since Oct 24, 2019
10% owner at CONSTAR INTERNATIONAL INC · on record since Mar 23, 2020
10% owner at Revolution Medicines, Inc. · on record since Feb 18, 2020
10% owner at Tenaya Therapeutics, Inc. · on record since Jul 29, 2021
10% owner at Surrozen, Inc./DE · on record since Aug 16, 2021

Insider trading activity of COLUMN GROUP III-A, LP

Transactions on record: 32; since Oct 11, 2019

Open-market buys: 22; $24.2M

Open-market sells: 10; $77.3M

Companies traded: 4; last filing Feb 24, 2026

Figures computed from official regulatory filings — .

Companies where COLUMN GROUP III-A, LP has traded

Tenaya Therapeutics, Inc.10 tx · $17.4M · Feb 24, 2026
Surrozen, Inc./DE2 tx · $3M · Apr 17, 2024
NGM BIOPHARMACEUTICALS INC18 tx · $7.3M · Jan 25, 2023
Revolution Medicines, Inc.2 tx · $73.8M · Nov 18, 2020

Track record of COLUMN GROUP III-A, LP

Statistical track record

Free account

Open-market buys: 22

Last buy: Apr 4, 2024

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of COLUMN GROUP III-A, LP

Co-insiders of COLUMN GROUP III-A, LP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-162,291	0.60 USD	$97.4K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-277,769	0.61 USD	$169.4K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-245,965	0.61 USD	$150K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-143,709	0.60 USD	$86.2K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-182,295	0.82 USD	$149.5K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-2,151,458	0.68 USD	$1.5M		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-161,422	0.82 USD	$132.4K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-1,905,115	0.68 USD	$1.3M		SEC
Surrozen, Inc./DEListing on record	Apr 17, 2024	Buy	102,651	15.50 USD	$1.6M	conv 43Cluster	SEC
Surrozen, Inc./DEListing on record	Apr 17, 2024	Buy	90,897	15.50 USD	$1.4M	conv 43Cluster	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 14, 2024	Buy	2,222,222	4.50 USD	$10M	conv 58Unusual sizeFirst in 12mo	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 10, 2023	Buy	1,500,000	2.60 USD	$3.9M	conv 49ClusterUnusual size	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Jan 25, 2023	Buy	9,900	5.00 USD	$49.5K	conv 31Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	41,863	13.43 USD	$562.2K	conv 28Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	1,429	13.43 USD	$19.2K	conv 25Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	17,240	13.37 USD	$230.5K	conv 37ClusterFirst in 12mo	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	588	13.37 USD	$7.9K	conv 37ClusterFirst in 12mo	SEC
Revolution Medicines, Inc.Listing on record	Nov 18, 2020	Sell	-952,023	36.40 USD	$34.7M		SEC
Revolution Medicines, Inc.Listing on record	Nov 18, 2020	Sell	-1,075,133	36.40 USD	$39.1M		SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Aug 31, 2020	Buy	26,135	17.89 USD	$467.6K	conv 25Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Aug 31, 2020	Buy	36,359	17.79 USD	$646.8K	conv 29Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Jul 28, 2020	Buy	3,834	17.99 USD	$69K	conv 25Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Jul 28, 2020	Buy	68,749	17.93 USD	$1.2M	conv 43Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Apr 9, 2020	Buy	112,602	14.95 USD	$1.7M	conv 54ClusterUnusual size	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Feb 10, 2020	Buy	44,900	15.96 USD	$716.6K	conv 58ClusterUnusual size	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-162,291	0.60 USD	$97.4K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-277,769	0.61 USD	$169.4K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-245,965	0.61 USD	$150K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 24, 2026	Sell	-143,709	0.60 USD	$86.2K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-182,295	0.82 USD	$149.5K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-2,151,458	0.68 USD	$1.5M		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-161,422	0.82 USD	$132.4K		SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 12, 2026	Sell	-1,905,115	0.68 USD	$1.3M		SEC
Surrozen, Inc./DEListing on record	Apr 17, 2024	Buy	102,651	15.50 USD	$1.6M	conv 43Cluster	SEC
Surrozen, Inc./DEListing on record	Apr 17, 2024	Buy	90,897	15.50 USD	$1.4M	conv 43Cluster	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 14, 2024	Buy	2,222,222	4.50 USD	$10M	conv 58Unusual sizeFirst in 12mo	SEC
Tenaya Therapeutics, Inc.Listing on record	Feb 10, 2023	Buy	1,500,000	2.60 USD	$3.9M	conv 49ClusterUnusual size	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Jan 25, 2023	Buy	9,900	5.00 USD	$49.5K	conv 31Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	41,863	13.43 USD	$562.2K	conv 28Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	1,429	13.43 USD	$19.2K	conv 25Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	17,240	13.37 USD	$230.5K	conv 37ClusterFirst in 12mo	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	May 26, 2022	Buy	588	13.37 USD	$7.9K	conv 37ClusterFirst in 12mo	SEC
Revolution Medicines, Inc.Listing on record	Nov 18, 2020	Sell	-952,023	36.40 USD	$34.7M		SEC
Revolution Medicines, Inc.Listing on record	Nov 18, 2020	Sell	-1,075,133	36.40 USD	$39.1M		SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Aug 31, 2020	Buy	26,135	17.89 USD	$467.6K	conv 25Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Aug 31, 2020	Buy	36,359	17.79 USD	$646.8K	conv 29Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Jul 28, 2020	Buy	3,834	17.99 USD	$69K	conv 25Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Jul 28, 2020	Buy	68,749	17.93 USD	$1.2M	conv 43Cluster	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Apr 9, 2020	Buy	112,602	14.95 USD	$1.7M	conv 54ClusterUnusual size	SEC
NGM BIOPHARMACEUTICALS INCListing unverified	Feb 10, 2020	Buy	44,900	15.96 USD	$716.6K	conv 58ClusterUnusual size	SEC