COLUMN GROUP III, LP → Tenaya Therapeutics, Inc. TNYA

Stake: 30.30% Shares: 49,313,559 CUSIP: 87990A106 Class: Common Stock, par value $0.0001 per share

Item 4 — Purpose of Transaction

The information set forth in Item 4 of the Original Schedule 13D is incorporated herein by reference.

Insider Activity (last 365d)

3 transactions

3 buys · 0 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 7.42

24,919,430 shares short · -5.0% vs prior

Held by elite portfolio managers

1 holder · $27K

Point72 Asset Mgmt

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 0.92 on closest trading day on/after 2025-05-07. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Date	Insider	Role	Type	Shares	Price	Value
2026-05-28	Williams R Sanders	director	Award	120,000	$0.80	$96K
2026-05-28	Walsh Jeffrey T.	director	Award	120,000	$0.80	$96K
2026-05-28	Stehman-Breen Catherine	director	Award	120,000	$0.80	$96K

Filed	Form	Filer	Stake	Shares
2025-03-07	SCHEDULE	COLUMN GROUP III, LP	32.00%	49,313,559	view →
2025-03-07	SCHEDULE	Casdin Capital, LLC	4.30%	6,732,971	view →
2023-02-21	SC	COLUMN GROUP III, LP	—	—	view →
2022-11-28	SC	Casdin Capital, LLC	—	—	view →

Filed	Form	Issuer	Stake	Shares
2025-03-07	SCHEDULE	Tenaya Therapeutics, Inc. TNYA	32.00%	49,313,559	view →
2023-02-21	SC	Tenaya Therapeutics, Inc. TNYA	—	—	view →

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