ATTO insider trades & Congress trades
Attovia Therapeutics, Inc.: public insider filings and Congress disclosures, in one place.
Bourse has recorded 65 open-market insider transactions in Attovia Therapeutics, Inc. (ATTO) (21 purchases with code P and 44 sales with code S), the most recent on August 6, 2026.
There were no open-market insider transactions in the last 90 days.
The most recent insider buying cluster (three or more different insiders buying within 14 days) ran from August 6, 2026 to August 6, 2026, with 6 insiders.
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | Frazier Life Sciences XI, L.P. | – | Buy | 588,235 | $17.00 | $10.00M | +0.3% |
| Aug 6, 2026 | Sanofi | – | Buy | 300,000 | $17.00 | $5.10M | +0.2% |
| Aug 6, 2026 | Redmile Group, LLC | – | Buy | 200,000 | $17.00 | $3.40M | +0.2% |
| Aug 6, 2026 | Redmile Group, LLC | – | Buy | 400,000 | $17.00 | $6.80M | +0.2% |
| Aug 6, 2026 | venBio Global Strategic Fund IV, L.P. | – | Buy | 382,352 | $17.00 | $6.50M | +0.2% |
| Aug 6, 2026 | Walsh Colin | – | Buy | 500,000 | $17.00 | $8.50M | −0.1% |
| Aug 6, 2026 | Goldman Sachs Group Inc | – | Buy | 500,000 | $17.00 | $8.50M | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Buy | 85,000 | $21.00 | $1.78M | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 988 | $22.03 | $22K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 447 | $21.87 | $10K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 1,332 | $22.03 | $29K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 200 | $22.05 | $4K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 1,556 | $22.06 | $34K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 3,402 | $22.02 | $75K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 200 | $22.10 | $4K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 480 | $21.55 | $10K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 100 | $22.11 | $2K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 753 | $21.97 | $17K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 672 | $22.02 | $15K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 6,970 | $22.03 | $154K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 400 | $22.02 | $9K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 1,180 | $21.84 | $26K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 1,040 | $22.05 | $23K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 300 | $20.84 | $6K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 443 | $21.78 | $10K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 700 | $22.07 | $15K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 1,163 | $22.19 | $26K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 100 | $21.99 | $2K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 6,763 | $21.61 | $146K | −0.1% |
| Aug 5, 2026 | Walsh Colin | – | Sell | 76,418 | $21.04 | $1.61M | −0.1% |
Showing the 30 most recent of 65 transactions.
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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