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Munro Douglas's Form 4 filing

Mercury Systems Inc (MRCY) · filed Aug 19, 2026

Accession no.
0001049521-26-000054
Filed
Aug 19, 2026, 6:31 PM ET
Trade date
Aug 17-18, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions. Open-market sales total $99.4K. It was filed 2 days after the trade.

This filing was later replaced by the amendment 0001049521-26-000071 (Sep 15, 2026). Trade tables on this site use the amended version.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Munro DouglasCIK 0002011703Officer (SVP, CAO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Aug 17, 2026Common StockSSaleDisposed−404$109.95F2−$44,420.1614,133Direct
Aug 18, 2026Common StockSSaleDisposed−494$111.36F2−$55,010.713,639Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

Represents the per share price attributed to sales of shares on behalf of all participants under the sell-to-cover program on the transaction date indicated.

Referenced by the price of 2 transactions in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)