Mercury Systems Inc. filings document the regulatory record for a Massachusetts aerospace and defense technology company listed on Nasdaq under MRCY. Recent Form 8-K reports furnish earnings releases and presentations for quarterly and fiscal results, including GAAP operating measures and non-GAAP measures such as adjusted EBITDA, adjusted income, adjusted EPS, and free cash flow.
The company’s filings also record material financing and governance matters. Disclosures include amendments to its credit agreement and revolving credit facility, borrowing capacity, maturity, leverage-ratio provisions, and related covenant terms. Proxy and annual meeting filings cover director elections, executive compensation, shareholder voting results, long-term incentive plan approval, and other board and compensation governance items.
MERCURY SYSTEMS INC (MRCY) disclosed that officer David E. Farnsworth plans to sell up to 6,612 shares of common stock under Rule 144 following restricted stock vesting, using Fidelity Brokerage Services LLC as broker. In the three days prior, he reported sales of 1,345, 7,347, and 8,155 common shares, with disclosed transaction amounts, and noted that part of the sale proceeds will cover tax obligations from a vested equity award.
MERCURY SYSTEMS INC (MRCY) is the issuer of common stock that Douglas Munro plans to sell under Rule 144. A notice covers a planned sale of 109 shares of common stock, related to restricted stock vesting on 08/19/2026, with Fidelity Brokerage Services LLC acting as broker. Recent sales over the prior three months include multiple small transactions in MRCY common stock, and part of the sale is noted as covering a tax obligation from a vested equity award distribution.
MERCURY SYSTEMS INC (MRCY) is the issuer for which Steven Ratner filed a Rule 144 notice covering sales of common stock. The notice lists a proposed sale of 1,026 shares of MRCY common stock through Fidelity Brokerage Services LLC on 08/20/2026, with an aggregate market value of 100,212.91, to be sold on NASDAQ. These shares are reported as acquired through Restricted Stock Vesting from the issuer on 08/19/2026 in connection with compensation. The filing also reports sales during the prior three months totaling several thousand shares of common stock on three separate dates, with a portion of the current sale explicitly stated as covering tax obligations from the settlement of a vested equity award.
MERCURY SYSTEMS INC (MRCY) disclosed a planned sale of company common stock by William L. Ballhaus under Rule 144. The notice covers 22,010 shares of common stock associated with a restricted stock vesting event dated August 19, 2026, categorized as compensation.
Ballhaus has also reported recent sales of MRCY common stock during the prior three months, and the filing states that the sale includes an amount necessary to cover a tax obligation arising from the settlement of a vested equity award distribution. Fidelity Brokerage Services LLC signed the notice as attorney-in-fact for Ballhaus.
MERCURY SYSTEMS INC (MRCY) reported that officer Douglas Munro, SVP and Chief Accounting Officer, sold a total of 898 shares of common stock in mid-August 2026. The sales of 494 shares at $111.3577 on August 18 and 404 shares at $109.9509 on August 17 were executed as part of a sell-to-cover program to satisfy tax withholding obligations upon the vesting of stock awards. Munro also reports indirect ownership of 359 shares held in a 401K Plan.
MERCURY SYSTEMS INC (MRCY) reported that executive vice president and chief human resources officer Steven Ratner sold a total of 3,055 shares of common stock in mid‑August 2026. On August 17, he sold 1,084 shares at $109.9509 per share and on August 18, he sold 1,971 shares at $111.3577 per share. According to the company’s disclosure, these transactions were part of a sell-to-cover program used to satisfy tax withholding obligations upon the vesting of stock awards, with the stated prices representing the per‑share amounts attributed to all participants’ sales on those dates. Following these transactions, Ratner also has an indirect holding of 356 shares in a 401K Plan.
MERCURY SYSTEMS INC (MRCY) reported insider activity by EVP, CLO & Corp Sec Stuart Kupinsky. He sold an aggregate 2,373 shares of common stock on August 17–18, 2026, at prices of $109.9509 and $111.3577 per share. Footnotes state these were part of a sell-to-cover program to satisfy tax withholding obligations upon vesting of stock awards, rather than discretionary sales. The filing also reports 1,233 shares of common stock held indirectly through a 401K Plan.
MERCURY SYSTEMS INC (MRCY) reported that its EVP and CFO, David E. Farnsworth, had shares of Common Stock sold on his behalf in August 2026 under a sell-to-cover program to meet tax withholding obligations tied to vesting stock awards. On August 17 and 18, 2026, an aggregate of 8,692 shares were sold at per-share prices determined for all participants in the program, rather than as individual discretionary trades. The filing also reports that 1,516 shares are held indirectly in a 401K Plan after the August 17, 2026 date.
MERCURY SYSTEMS INC (MRCY) reported insider transactions by Chairman, President & CEO William L. Ballhaus involving company common stock. On August 17–18, 2026, he sold a total of 27,680 shares of common stock in open-market or private transactions at per-share prices of $109.9509 and $111.3577. Footnotes state these sales were part of a sell-to-cover program to satisfy tax withholding obligations upon the vesting of stock awards, and the reported prices are the per‑share prices attributed to sales made on behalf of all program participants on those dates. The filing also lists post‑transaction indirect holdings of 1,403 shares in a 401K Plan and 7,066.173 shares held by Milestone Road Holdings, LLC.
MERCURY SYSTEMS INC (MRCY) is named as the issuer in a notice of proposed Rule 144 sales by William L. Ballhaus, with Fidelity Brokerage Services LLC acting as broker and attorney-in-fact. The filing covers planned and recent sales of common stock, including shares received through restricted stock vesting and shares sold in part to satisfy tax obligations related to a vested equity award.