SEC Insider Transactions from Munro Douglas.

Last updated: 2026-03-16 13:01 UTC | Total transactions: 15

Munro Douglas, SVP and CAO of Mercury Systems Inc ($MRCY), sold shares on the open market seven times in the last 365 days for a total of about $309 thousand. The most recent sale occurred on February 17, 2026. These sales rank 7,480th among 11,678 insiders in our database, where the average is $8.6 million across about 6.4 transactions per insider. Munro Douglas made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 17, 2026 MERCURY SYSTEMS INC $MRCY Munro Douglas SVP, CAO S Common Stock 582 $83.56 14,576.0000 60,014,632 3.84% 0.00%
Nov. 12, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas SVP, CAO S Common Stock 1329 $73.42 14,900.0000 60,100,136 8.19% 0.00%
Sept. 16, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 67 $73.40 16,229.0000 59,915,670 0.41% 0.00%
Aug. 19, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 376 $64.46 16,173.0000 59,915,670 2.27% 0.00%
Aug. 18, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 363 $66.52 16,549.0000 59,915,670 2.15% 0.00%
Aug. 15, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO A Common Stock 3380 $0.00 16,912.0000 59,915,670 24.98% 0.01%
May 14, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 1610 $45.64 13,433.0000 0 10.70% 0.00%
May 14, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 809 $44.88 13,433.0000 0 5.68% 0.00%
Feb. 18, 2025 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 595 $44.12 15,280.0000 0 3.75% 0.00%
Sept. 16, 2024 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 69 $37.60 15,807.0000 0 0.43% 0.00%
Aug. 15, 2024 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO A Common Stock 5364 $0.00 16,092.0000 0 50.00% 0.00%
Aug. 19, 2024 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 345 $39.49 15,892.0000 0 2.12% 0.00%
Aug. 15, 2024 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO A Common Stock 5364 $0.00 16,237.0000 0 49.33% 0.00%
Feb. 16, 2024 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO S Common Stock 276 $29.57 10,208.0000 0 2.63% 0.00%
Feb. 15, 2024 MERCURY SYSTEMS INC $MRCY Munro Douglas VP, CAO A Common Stock 3304 $0.00 10,484.0000 0 46.02% 0.00%