ATTO
Attovia Therapeutics, Inc.
Latest Form 4:Purchase$1.8MbyWALSH COLIN (Director) · filed Aug 14, 2026
Attovia Therapeutics, Inc. (ATTO) has 7 SEC Form 4 filings (69 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 14, 2026.
The most active filer is Director WALSH COLIN with 3 filings. Insiders have net bought $47.9M over the trailing 6 months. The largest single insider purchase in this window was $10.2M by 10% Owner Redmile Group, LLC on Aug 6, 2026.
- Industry:Biotechnology
- HQ:San Carlos, CA, US
- IPO:2026-08-05
Insider Buying
$52.4M
reported purchases (SEC code P)
Insider Selling
$4.5M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
| Source | ||||||
|---|---|---|---|---|---|---|
WALSH COLINFirst filing | Director | Purchase | 85,000 | $1.8M | Aug 14 | SEC ↗ |
WALSH COLINFirst filing | Director | Sale | 105,607 | $2.2M | Aug 14 | SEC ↗ |
WALSH COLINFirst filing | Director | Purchase | 500,000 | $8.5M | Aug 14 | SEC ↗ |
| Former 10% Owner | Purchase | 85,000 | $1.8M | Aug 14 | SEC ↗ | |
| Former 10% Owner | Sale | 105,607 | $2.2M | Aug 14 | SEC ↗ | |
| Former 10% Owner | Purchase | 500,000 | $8.5M | Aug 14 | SEC ↗ | |
venBio Global Strategic Fund IV, L.P.First filing | 10% Owner | Purchase | 382,352 | $6.5M | Aug 10 | SEC ↗ |
Redmile Group, LLCFirst in 4 months | 10% Owner | Purchase | 600,000 | $10.2M | Aug 8 | SEC ↗ |
SanofiFirst filing | 10% Owner | Purchase | 300,000 | $5.1M | Aug 7 | SEC ↗ |
Frazier Life Sciences XI, L.P.First filing | 10% Owner | Purchase | 588,235 | $10.0M | Aug 6 | SEC ↗ |
Related companies
Attovia Therapeutics, Inc. is in the Healthcare sector.