ATTO insider buying
5 cluster buysAttovia Therapeutics, Inc.
When two or more insiders at Attovia Therapeutics, Inc. buy ATTO in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in ATTO plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Aug 5 – Aug 6, 2026Detected Aug 28, 20266 insidersTotal bought$72.9MMarket capUnknown
- Aug 5 – Aug 6, 2026Detected Aug 14, 20266 insidersTotal bought$52.4MMarket capUnknown
- Aug 6 – Aug 6, 2026Detected Aug 10, 20264 insidersTotal bought$31.8MMarket capUnknown
2 more clusters in ATTO
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All notable open-market buys in ATTO
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Aug 6, 2026 | 10% Owner | 588,235 | $17.00 | $10.0M | SEC ↗ |
| Aug 6, 2026 | GOLDMAN SACHS GROUP INCcluster Former 10% Owner | 500,000 | $17.00 | $8.5M | SEC ↗ |
| Aug 6, 2026 | WALSH COLINcluster Director | 500,000 | $17.00 | $8.5M | SEC ↗ |
| Aug 6, 2026 | GOLDMAN SACHS GROUP INCcluster Former 10% Owner | 500,000 | $17.00 | $8.5M | SEC ↗ |
| Aug 6, 2026 | WALSH COLINcluster Director | 500,000 | $17.00 | $8.5M | SEC ↗ |
| Aug 6, 2026 | Redmile Group, LLCcluster 10% Owner | 400,000 | $17.00 | $6.8M | SEC ↗ |
| Aug 6, 2026 | 10% Owner | 382,352 | $17.00 | $6.5M | SEC ↗ |
| Aug 6, 2026 | Sanoficluster 10% Owner | 300,000 | $17.00 | $5.1M | SEC ↗ |
| Aug 6, 2026 | Redmile Group, LLCcluster 10% Owner | 200,000 | $17.00 | $3.4M | SEC ↗ |
| Aug 5, 2026 | WALSH COLINcluster Director | 85,000 | $21.00 | $1.8M | SEC ↗ |
| Aug 5, 2026 | GOLDMAN SACHS GROUP INCcluster Former 10% Owner | 85,000 | $21.00 | $1.8M | SEC ↗ |
| Aug 5, 2026 | GOLDMAN SACHS GROUP INCcluster Former 10% Owner | 85,000 | $21.00 | $1.8M | SEC ↗ |
| Aug 5, 2026 | WALSH COLINcluster Director | 85,000 | $21.00 | $1.8M | SEC ↗ |
ATTO insider buying — FAQ
- Are insiders buying ATTO stock?
- Yes — 6 distinct insiders have bought ATTO (Attovia Therapeutics, Inc.) on the open market, including 5 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Aug 28, 2026.
- How much ATTO stock have insiders bought?
- Insiders have bought a combined $72.9M of ATTO across 13 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in ATTO?
- A cluster buy is two or more distinct Attovia Therapeutics, Inc. insiders — officers, directors, or 10% owners — each buying ATTO on the open market within a rolling window. ATTO has 5 detected cluster buys to date.
- Where does this ATTO insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in ATTO
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy ATTO within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding ATTO.