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sellModerate cluster of 4

JANA Partners Management, LP sold $41M of MRCY

director, other at MERCURY SYSTEMS INC. 452,057 shares at an average of $91.61, traded Mar 2, 2026, filed Mar 4, 2026.

Warning score
55
Value
$41M
452,057 shares
Holdings after
4,114,618
-10% from before
From 52-week low
+119%
low $41.52, close $91.01
From 52-week high
-12%
high $103.02, as of Mar 2, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $41.4M at market
    +25
  • Share of holdings sold
    Sold 9.9% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -16.8%, 3m +25.1%, 6m -7.4%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MRCYOct 12, 2026 · close 77.67
Since filing Mar 4, 2026: -12.9%SPY +14.4% · excess -27.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000902664-26-001432, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 2, 2026SOpen-market sale
Common Stock, par value $0.01 per share ("Common Stock")indirect: See footnote
-182,510$94.05$17M4,384,165Mar 4, 2026
Mar 3, 2026SOpen-market sale
Common Stockindirect: See footnote
-168,648$90.12$15M4,215,517Mar 4, 2026
Mar 4, 2026SOpen-market sale
Common Stockindirect: See footnote
-100,899$89.68$9.0M4,114,618Mar 4, 2026

Related signals

Other insiders at MERCURY SYSTEMS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
4Weak
MRCYsell10b5-1
MERCURY SYSTEMS INC
Stuart Kupinsky
EVP, CLO & Corp Sec
$87k
1,000 shares
-2%
50Moderate
MRCYsell 3
MERCURY SYSTEMS INC
Steven Ratner
EVP, CHRO
$338k
4,000 shares
-17%
60Notable
MRCYsell 5
MERCURY SYSTEMS INC
William L Ballhaus
Chairman, President & CEO
$14M
160,166 shares
-35%
70Notable
MRCYsell 5
MERCURY SYSTEMS INC
William L Ballhaus
Chairman, President & CEO
$16M
173,209 shares
-54%
20Weak
MRCYsell 510b5-1
MERCURY SYSTEMS INC
Stuart Kupinsky
EVP, CLO & Corp Sec
$95k
1,000 shares
-2%
56Moderate
MRCYsell 5
MERCURY SYSTEMS INC
Steven Ratner
EVP, CHRO
$33k
356 shares
-100%
70Notable
MRCYsell 5
MERCURY SYSTEMS INC
William L Ballhaus
Chairman, President & CEO
$4.8M
48,812 shares
-18%
67Notable
MRCYsell 5
MERCURY SYSTEMS INC
David E. Farnsworth
EVP, CFO
$1.5M
14,767 shares
-11%
41Moderate
MRCYsell 5
MERCURY SYSTEMS INC
Stuart Kupinsky
EVP, CLO & Corp Sec
$131k
1,308 shares
-2%
49Moderate
MRCYsell 5
MERCURY SYSTEMS INC
Steven Ratner
EVP, CHRO
$320k
3,213 shares
-12%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

JANA Partners Management, LP sold $41M of MRCY | InsiderTell