ATTO — Attovia Therapeutics, Inc.
Price · 2026-08-05 → 2026-08-21
13 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Measured signals that fired on ATTO
| date | signal | measured base rate |
|---|---|---|
| 2026-08-13 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-08-06 | Cluster buy: three or more insiders insider | +0.63% over 21 days · t = 1.84 · n = 3,050 not distinguishable from its control group |
| 2026-08-05 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-06 | FHMLS XI, L.P. 10% owner | Open-market purchase | 588.2K | 17.00 | 10.0M |
| 2026-08-06 | Frazier Life Sciences XI, L.P. 10% owner | Open-market purchase | 588.2K | 17.00 | 10.0M |
| 2026-08-06 | FHMLS XI, L.L.C. 10% owner | Open-market purchase | 588.2K | 17.00 | 10.0M |
| 2026-08-06 | WALSH COLIN Director | Open-market purchase | 500.0K | 17.00 | 8.5M |
| 2026-08-06 | GOLDMAN SACHS ASSET MANAGEMENT, L.P. | Open-market purchase | 500.0K | 17.00 | 8.5M |
| 2026-08-06 | WSLS EMP ONSHORE INVESTMENTS, L.P. | Open-market purchase | 500.0K | 17.00 | 8.5M |
| 2026-08-06 | WSLS EMP OFFSHORE INVESTMENTS, L.P. | Open-market purchase | 500.0K | 17.00 | 8.5M |
| 2026-08-06 | GOLDMAN SACHS & CO. LLC | Open-market purchase | 500.0K | 17.00 | 8.5M |
| 2026-08-06 | West Street Life Sciences I, L.P. | Open-market purchase | 500.0K | 17.00 | 8.5M |
| 2026-08-06 | GOLDMAN SACHS GROUP INC | Open-market purchase | 500.0K | 17.00 | 8.5M |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-13 | 2026-08-05 | on EDGAR ↗ |
| 4 | 2026-08-13 | 2026-08-05 | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-12 | — | on EDGAR ↗ |
| SCHEDULE 13D | 2026-08-11 | — | on EDGAR ↗ |
| 4 | 2026-08-10 | 2026-08-06 | on EDGAR ↗ |
| 4 | 2026-08-10 | 2026-08-06 | on EDGAR ↗ |
| 4 | 2026-08-07 | 2026-08-06 | on EDGAR ↗ |
| 4 | 2026-08-07 | 2026-08-06 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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