InsiderTrades

Form 4 for MRCY MERCURY SYSTEMS INC

Accepted 2026-05-27 19:00:46 ET · period of report 2026-05-26 · accession 0001049521-26-000030 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MI 2026-05-27 19:00 2026-05-26 MRCY LANCE HOWARD L Dir S - Sale $99.76 -9,250 0 -100% -$922.7K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-26 S D 8,000 $99.95 1,250 I By The Howard L. Lance Revocable Living Trust Dated 9/1/2006 — — (F1) This transaction was executed in multiple trades at prices ranging from $99.3600 to $100.4501. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
2 Common Common Stock 2026-05-26 S D 1,250 $98.50 0 I By The Howard L. Lance Revocable Living Trust Dated 9/1/2006 — — (F2) This transaction was executed in multiple trades at prices ranging from $98.1000 to $98.9000. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.