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ISSUER PROFILE · CIK 0001049521

MERCURY SYSTEMS INCMRCY

2 13D/G filings 2 distinct filers 3 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
3
1 buys · 2 sales
Latest short DTC
12.50
as of 2026-10-15

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2022-06-27 SC JANA PARTNERS LLC — — view →
2022-01-13 SC Starboard Value LP — — view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-10-21 KUPINSKY STUART officer Sale 1,000 $76.00 $76K
2026-09-03 Ratner Steven officer Sale 4,000 $84.51 $338K
2026-07-16 Nearhos Barry R director Award 170 — —

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 5,556,601 12.50 +10.8%
2026-09-30 5,013,538 7.39 -0.4%
2026-09-15 5,032,343 7.30 -3.8%
2026-08-31 5,231,532 4.89 +5.1%
2026-08-14 4,979,217 10.38 +0.6%
2026-07-31 4,952,067 7.92 +3.0%
2026-07-15 4,805,548 8.52 +3.6%
2026-06-30 4,639,605 4.73 +1.5%
2026-06-15 4,572,200 6.16 -3.4%
2026-05-29 4,733,680 7.73 -2.7%
2026-05-15 4,865,616 7.73 +2.5%
2026-04-30 4,746,107 9.44 +1.6%

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