Latest insider trades

241 Form 4 trades in our database.

PPurchaseSSaleMOption exerciseAAward/GrantFTax withholdingGGift

ORBIMED ADVISORS LLCtraded2,048,760 shares ofSIONat $0Feb 10Details
McKee Charlottegranted148,536 shares ofSIONat $0Feb 10Details
Booth Brucetraded2,886,293 shares ofSIONFeb 10Details
Booth Brucetraded747,727 shares ofSIONFeb 10Details
Booth Brucebought60,000 shares ofSIONat $18$1.1MFeb 10Details
Booth Brucetraded1,051,051 shares ofSIONat $0Feb 10Details
Booth Brucetraded1,806,317 shares ofSIONat $0Feb 10Details
Booth Brucetraded1,298,332 shares ofSIONat $0Feb 10Details
Booth Brucetraded61,463 shares ofSIONat $0Feb 10Details
Booth Brucetraded1,092,504 shares ofSIONat $0Feb 10Details
Atlas Venture Fund XI, L.P.traded2,886,293 shares ofSIONFeb 10Details
Atlas Venture Fund XI, L.P.traded747,727 shares ofSIONFeb 10Details
Atlas Venture Fund XI, L.P.bought60,000 shares ofSIONat $18$1.1MFeb 10Details
Atlas Venture Fund XI, L.P.traded1,051,051 shares ofSIONat $0Feb 10Details
Atlas Venture Fund XI, L.P.traded1,806,317 shares ofSIONat $0Feb 10Details
Atlas Venture Fund XI, L.P.traded1,298,332 shares ofSIONat $0Feb 10Details
Atlas Venture Fund XI, L.P.traded61,463 shares ofSIONat $0Feb 10Details
Atlas Venture Fund XI, L.P.traded1,092,504 shares ofSIONat $0Feb 10Details
Thompson Peter A.traded3,154,959 shares ofSIONFeb 10Details
Thompson Peter A.bought550,000 shares ofSIONat $18$9.9MFeb 10Details
Thompson Peter A.traded2,560,951 shares ofSIONat $0Feb 10Details
Thompson Peter A.traded2,048,760 shares ofSIONat $0Feb 10Details
Ridloff Elenagranted157,820 shares ofSIONat $0Feb 10Details
Cloonan Michaelgranted450,252 shares ofSIONat $0Feb 10Details
Viney Joanne L.granted39,919 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded5,021,990 shares ofSIONFeb 10Details
RA CAPITAL MANAGEMENT, L.P.traded527,444 shares ofSIONFeb 10Details
RA CAPITAL MANAGEMENT, L.P.traded2,222,084 shares ofSIONFeb 10Details
RA CAPITAL MANAGEMENT, L.P.traded179,975 shares ofSIONFeb 10Details
RA CAPITAL MANAGEMENT, L.P.bought1,022,586 shares ofSIONat $18$18.4MFeb 10Details
RA CAPITAL MANAGEMENT, L.P.bought102,414 shares ofSIONat $18$1.8MFeb 10Details
RA CAPITAL MANAGEMENT, L.P.traded819,153 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded319,069 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded138,054 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded1,229,830 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded451,580 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded124,908 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded923,773 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded2,155,469 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded4,364,874 shares ofSIONat $0Feb 10Details
RA CAPITAL MANAGEMENT, L.P.traded1,091,219 shares ofSIONat $0Feb 10Details