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Mercury Systems insider plans sale of 8,155 shares

MERCURY SYSTEMS INC (MRCY) insider David E. Farnsworth filed a notice of proposed sale of common stock under Rule 144.

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

MERCURY SYSTEMS INC (MRCY) insider David E. Farnsworth filed a notice of proposed sale of common stock under Rule 144. The notice covers 8,155 shares held at Fidelity Brokerage Services, with a stated value of 817995.43, and references prior sales over the past three months. The filing notes that part of the sale is intended to cover tax obligations arising from the settlement of a vested equity award distribution.

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Shares proposed for sale 8155 shares Common stock to be sold under Rule 144
Value of shares proposed for sale 817995.43 Value associated with 8,155 common shares
Shares sold on 08/17/2026 1345 shares Common shares sold during past 3 months
Value of shares sold on 08/17/2026 147883.96 Value for 1,345 common shares sold
Shares sold on 08/18/2026 7347 shares Common shares sold during past 3 months
Value of shares sold on 08/18/2026 818145.03 Value for 7,347 common shares sold
Date of notice 08/19/2026 Date the Rule 144 notice was signed
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
Restricted Stock Vesting financial
"Common | 08/18/2026 | Restricted Stock Vesting | Issuer"
Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.
vested equity award distribution financial
"resulting from the settlement of a vested equity award distribution."
attorney-in-fact regulatory
"as attorney-in-fact for David E. Farnsworth"
An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

What insider transaction in MRCY stock did David E. Farnsworth report?
David E. Farnsworth reported a proposed sale of 8,155 MRCY common shares under Rule 144. The shares are held at Fidelity Brokerage Services, and part of the sale is intended to cover tax obligations from a vested equity award distribution.

What is the reported market value of the MRCY shares proposed for sale?
The filing lists a value of 817995.43 for the 8,155 MRCY common shares proposed for sale. These shares are listed on NASDAQ, and the transaction is reported in connection with restricted stock vesting on 08/18/2026.

What prior MRCY stock sales by David E. Farnsworth are disclosed in this Form 144?
The notice discloses two prior sales: 1,345 shares on 08/17/2026 valued at 147883.96 and 7,347 shares on 08/18/2026 valued at 818145.03. These transactions are reported as sales during the past three months.

What is the relationship between the MRCY share sale and tax obligations?
The filing states that the sale includes an amount necessary to cover a tax obligation arising from settlement of a vested equity award distribution. This links the proposed sale to tax liabilities triggered by restricted stock vesting.

When do the MRCY restricted shares vest and when is the sale notice dated?
The restricted stock vesting date is listed as 08/18/2026, and the notice of proposed sale is dated 08/19/2026. These dates frame the timing of the equity award settlement and the related Rule 144 sale notice.

Who is executing the proposed MRCY stock sale on behalf of David E. Farnsworth?
The notice is signed by /s/ Wade Moss as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for David E. Farnsworth in connection with the proposed MRCY stock sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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144: Filer Information

144: Issuer Information

144: Securities Information



Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold


* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.



Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR