Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
West Street Life Sciences I, L.P. (CIK 1951154) reported 54 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-28). Recent activity: Buy ATTO (85,000 shares), Sell ATTO (700 shares), Sell ATTO (447 shares), Sell ATTO (1,332 shares), Sell ATTO (200 shares). Source: SEC Form 4.
Source: SEC Form 4 filings · as of 2026-08-28