Mercury Systems (MRCY) CFO David Farnsworth Sells Shares

What Happened
David E. Farnsworth, Executive Vice President and Chief Financial Officer of Mercury Systems (MRCY), sold a total of 8,692 shares in two open-market sell transactions as part of a sell-to-cover tax withholding program. On 2026-08-17 he sold 1,345 shares at $109.95 each (proceeds $147,884) and on 2026-08-18 he sold 7,347 shares at $111.36 each (proceeds $818,145), for aggregate proceeds of approximately $966,029. These were sales (not purchases) executed to satisfy tax withholding upon vesting of stock awards.

Key Details

• Transaction dates and prices: 2026-08-17 — 1,345 shares @ $109.95; 2026-08-18 — 7,347 shares @ $111.36.
• Total shares sold: 8,692; total proceeds: ~ $966,029.
• Shares owned after transaction: Not stated in the provided filing.
• Footnotes: F1 — sales were part of a sell-to-cover program to satisfy tax withholding; F2 — per-share price reflects pooled pricing for all participants on the transaction date.
• Filing timeliness: Form 4 was filed on 2026-08-19, within the typical 2-business-day reporting window.

Context
Sell-to-cover transactions are routine tax-withholding sales tied to the vesting of equity awards and do not necessarily indicate a change in the insider’s view of the company. For retail investors, purchases by insiders can be more informative of confidence; these sales were executed for tax purposes.