ISSUER PROFILE · CIK 0001049521
MERCURY SYSTEMS INCMRCY
2 13D/G filings
2 distinct filers
3 insider transactions (365d)
Cross-Reference Snapshot
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
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
| 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
| Settlement | Short Interest | Days 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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