COLUMN GROUP III GP, LP is an investment firm that reports beneficial ownership of shares in Tenaya Therapeutics, Inc. (TNYA) and 1 other company under U.S. securities law. It has submitted 21 SEC insider filings since 2025, most recently in February 2026.
Every role COLUMN GROUP III GP, LP has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Tenaya Therapeutics, Inc. (TNYA)3 filingsSurrozen, Inc./DE (SRZN)5 filingsUpdated Aug 31, 2026
COLUMN GROUP III GP, LP files SEC Form 4 reports at Tenaya Therapeutics, Inc. (TNYA). 8 SEC Form 4 filings on record going back to 2025, most recently on 26 February 2026. Most recent open-market trade: sold $1.05M of TNYA on 26 February 2026. Lifetime open-market purchases: $5.98M. Lifetime open-market sales: $5.93M. Historical track record: 5/5 stars across 18 tracked purchases.
Every recent SEC Form 4 transaction COLUMN GROUP III GP, LP has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★★★ (5/5) |
| Total purchases tracked | 18 |
| Purchases with forward-return data | 18 |
| 30-day win rate | 89% |
| 90-day win rate | 100% |
| Avg 5-day return | +1.38% |
| Avg 30-day return | +24.70% |
| Avg 90-day return | +59.28% |
| Best 30-day return |
InsiderAlpha's records for COLUMN GROUP III GP, LP go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $332K (18 buys totaling $5.98M). The largest single buy on record is $2.12M of SRZN in 2025. Sales side: 12 recorded sales totaling $5.93M, so the filing history runs buy-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies COLUMN GROUP III GP, LP files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
COLUMN GROUP III GP, LP is an investment firm of Tenaya Therapeutics, Inc. (TNYA). InsiderAlpha holds 8 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 26 February 2026, one of 8 filings going back to 2025.
Recorded transactions: 18 open-market purchases ($5.98M) and 12 open-market sales ($5.93M) across all tracked filings.
Across 18 tracked purchases, COLUMN GROUP III GP, LP averaged +24.7% avg 30-day return with a 89% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$TNYA Tenaya Therapeutics, Inc.349.2K shares @ $0.62$215K
| +78.34% |