JANA Partners Management, LP

Director, See Remarks, Lamb Weston; Director, See Remarks, Mercury Systems Inc; Director, 10% owner, See Remarks, Rapid7, Inc.

Bought, 12 months

$19.6M

Sold, 12 months

$149M

Companies

Latest trade

Apr 15, 2026

Companies

Lamb WestonDirector, See Remarks +$16.1M Mercury Systems IncDirector, See Remarks −$149M Rapid7, Inc.Director, 10% owner, See Remarks +$3.5M

Trades

LW Bought 50,000 shares at $43.19 $2.2M Apr 15

LW Bought 100,000 shares at $42.12 $4.2M Apr 13

LW Bought 100,000 shares at $41.41 $4.1M Apr 8

LW Bought 136,000 shares at $40.89 $5.6M Apr 7

MRCY Sold 100,899 shares at $89.68 $9.0M Mar 4

MRCY Sold 168,648 shares at $90.12 $15.2M Mar 3

MRCY Sold 182,510 shares at $94.05 $17.2M Mar 2

MRCY Sold 400,000 shares at $81.00 $32.4M Feb 9

RPD Bought 41,545 shares at $15.71 $0.7M Nov 28

RPD Bought 50,000 shares at $15.01 $0.8M Nov 25

RPD Bought 150,000 shares at $14.13 $2.1M Nov 24

MRCY Sold 1,000,000 shares at $75.45 $75.5M Nov 6

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.