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$22.14 ยท Score 38/100
2 open-market purchases and 23 sales out of the last 25 Form 4 filings scanned for ATTO โ open-market transactions only, sourced directly from official SEC EDGAR filings.
2
Buys
23
Sells
| Date | Insider | Ownership | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Purchase | 85,000 | $21.00 | $1.78M |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 988 | $22.03 | $21.77K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 447 | $21.87 | $9.78K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 1,332 | $22.03 | $29.34K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 200 | $22.05 | $4.41K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 1,556 | $22.06 | $34.33K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 3,402 | $22.02 | $74.91K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 200 | $22.10 | $4.42K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 480 | $21.55 | $10.34K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 100 | $22.11 | $2.21K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 753 | $21.97 | $16.54K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 672 | $22.02 | $14.80K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 6,970 | $22.03 | $153.55K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 400 | $22.02 | $8.81K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 1,180 | $21.84 | $25.77K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 1,040 | $22.05 | $22.93K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 300 | $20.84 | $6.25K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 443 | $21.78 | $9.65K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 200 | $22.05 | $4.41K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 700 | $22.07 | $15.45K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 1,163 | $22.19 | $25.81K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 100 | $21.99 | $2.20K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 6,763 | $21.61 | $146.15K |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Sale | 76,418 | $21.04 | $1.61M |
| Aug 13, 2026 | WALSH COLIN | โ | Open Market Purchase | 500,000 | $17.00 | $8.50M |
This information is based on official filings only and does not constitute investment advice. Insider transactions don't necessarily signal a stock's future direction โ they can often stem from personal cash-flow needs, portfolio diversification, or tax planning.