Form4.ai tracks every SEC insider trade in real time. See every ATTO insider filing with a free account — no card.
See every ATTO insider filing — free account, no card.
Free accountAttovia Therapeutics, Inc. (ATTO) has 16 SEC Form 4 insider filings on record in the last 90 days. That includes 6 insider purchases totalling $61.4M. Most recent filing: Oct. 8, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Aug 28, 2026 SEC filing Amended: Corrected by the insider on Aug 28, 2026 · the original filing reported $12.5M | WALSH COLIN Director Same trade as GOLDMAN SACHS GROUP INC | Bought | $10,281,416 | +45.3% 30D |
| Aug 10, 2026 SEC filing | Deep Track Biotechnology Master Fund, Ltd. 10% Owner | Conversion | — | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.