Mercury Systems INC Form 4 insider transactions

Barry R Nearhos, a Director of Mercury Systems Inc, received 170 shares of common stock on July 16, 2026.

Director Howard L. Lance sold 9,250 shares of Mercury Systems, Inc. common stock on May 26, 2026.

Orlando D. Carvalho, a Director at Mercury Systems Inc., reported a transaction involving the purchase of 7,000 shares of common stock.

Director Barry Nearhos acquired 245 deferred stock units in Mercury Systems as part of his quarterly director compensation.

Mercury Systems EVP and CFO David E. Farnsworth sold 3,625 shares to satisfy tax obligations related to vested stock awards.

JANA Partners Management, LP, a 10% owner and director by deputization, reported significant sales of Mercury Systems common stock totaling over 450,000 shares.

Mercury Systems Director Howard L. Lance sold 4,832 shares of common stock for a weighted average price of $88.9817 under a pre-arranged Rule 10b5-1 trading plan.

Mercury Systems' EVP, CLO & Corporate Secretary, Stuart Kupinsky, sold 2,287 shares of common stock to cover tax withholding obligations.

Mercury Systems' SVP and CAO, Douglas Munro, sold 582 shares of common stock to cover tax withholding obligations related to vested stock awards.

JANA Partners Management, LP, a significant shareholder and director by deputization, reported the sale of 400,000 shares of Mercury Systems Inc. common stock for $81 per share as part of a portfolio rebalancing.

Mercury Systems Director Barry R. Nearhos acquired 474 deferred stock units as part of his director compensation, vesting immediately but converting upon board departure.

Mercury Systems' Senior Vice President and Chief Accounting Officer, Douglas Munro, reported the sale of 1,329 shares of common stock.

JANA Partners Management, LP reported the sale of 1,000,000 shares of Mercury Systems Inc. common stock for $75.45 per share, reducing its beneficial ownership to 4,966,675 shares.

Mercury Systems Director Debora A. Plunkett sold 1,700 shares of common stock for $73.9906 per share under a pre-arranged trading plan.

Mercury Systems director Jean A. Bua acquired 2,362 deferred stock units, increasing her beneficial ownership to 7,815 shares.

JANA Partners Management, LP, through its managing partner Scott Ostfeld, acquired 2,362 deferred stock units in Mercury Systems Inc. as part of director compensation.

Mercury Systems Director Debora A. Plunkett acquired 2,362 deferred stock units, increasing her beneficial ownership to 18,533 shares.

Mercury Systems Director Gerard J. Demuro acquired 2,362 deferred stock units, increasing his beneficial ownership to 17,481 shares.

Mercury Systems Director Barry R Nearhos was granted 2,362 deferred stock units, increasing his direct beneficial ownership to 30,605 shares.

Mercury Systems Inc. Director Howard L. Lance acquired 2,362 shares of common stock through a restricted stock unit grant, increasing his beneficial ownership.

Mercury Systems Director Orlando D Carvalho was granted 2,362 restricted stock units, increasing his beneficial ownership to 59,448 shares.

Mercury Systems Director Lisa S Disbrow acquired 2,362 restricted stock units, increasing her beneficial ownership to 31,236 shares.

Mercury Systems Director Barry R. Nearhos acquired 487 deferred stock units as part of his compensation, increasing his direct beneficial ownership to 28,243 shares.

Douglas Munro, VP and Chief Accounting Officer of Mercury Systems Inc., sold 67 shares of common stock to satisfy tax withholding obligations from vested stock awards.

Mercury Systems' EVP, CHRO Steven Ratner sold 7,000 shares of common stock for approximately $63.76 per share under a pre-arranged 10b5-1 plan.

Mercury Systems VP and CAO Douglas Munro sold shares to cover tax withholding obligations related to stock award vesting.

Mercury Systems' EVP and CHRO, Steven Ratner, sold 3,416 shares of common stock over two days in August 2025 to cover tax withholding obligations from vested stock awards.

Mercury Systems' EVP, CLO & Corporate Secretary, Stuart Kupinsky, sold shares to cover tax obligations related to vested stock awards.

Mercury Systems' EVP and CFO, David E. Farnsworth, sold shares of common stock to cover tax withholding obligations related to vested stock awards.

Mercury Systems Inc. Chairman, President & CEO William L. Ballhaus sold over 23,000 shares of common stock to cover tax withholding obligations from vested stock awards.