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SEC filing
ATTO · CIK 2058707
4/A · Aug 28, 2026 · WALSH COLIN bought 585K shares at $17.58/share ($10.3M); sold 105.81K shares at $21.28/share ($2.3M); converted 2.44M shares
WALSH COLIN bought 585K shares at $17.58/share ($10.3M); sold 105.81K shares at $21.28/share ($2.3M); converted 2.44M shares
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