Thu, Aug 6, 2026
11d ago
500,000 shares @ $17.00
Increased holdings by +19.80%
6th largest trade (out of 154)
DiscretionaryLarge TradeCluster Buy
Part of a cluster of 3 transactions by 3 insiders
Discretionary open-market trade — the insider chose this timing
48% win rate · -8.6% median edge vs SPY (88 trades, 90-day)
Insider trade was 17% below market price
Win rate excludes trades classified as routine (tax, 10b5-1, exercise, gift).
ATTOAttovia Therapeutics, Inc.
ManufacturingBiological Products, (No Diagnostic Substances)
1D0.00%
1W+0.10%
1M—
3M—
6M—
1Y—
Recent insider activity at ATTO
Aug 6Venbio Global Strategic Fund Iv, L.p.Bought$6.50mAug 5Wsls Emp Offshore Investments, L.p.Bought$1.78mAug 5West Street Life Sciences I, L.p.Sold$2.21kAug 5West Street Life Sciences I, L.p.Sold$4.42kAug 5Broad Street Principal Investments, L.l.c.Sold$146.15kAug 5Broad Street Principal Investments, L.l.c.Sold$1.61mAug 5Wsls Emp Onshore Investments, L.p.Sold$9.65kAug 5Goldman Sachs & Co. LlcSold$21.77k