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sellWeak cluster of 4

Douglas Munro sold $49k of MRCY

SVP, CAO at MERCURY SYSTEMS INC. 582 shares at an average of $83.56, traded Feb 17, 2026, filed Feb 19, 2026.

Warning score
37
Value
$49k
582 shares
Holdings after
14,328
-4% from before
From 52-week low
+101%
low $41.52, close $83.32
From 52-week high
-19%
high $103.02, as of Feb 17, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $49k at market
    +7
  • Share of holdings sold
    Sold 3.9% 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 -14.0%, 3m +7.2%, 6m +4.9%.

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 Feb 19, 2026: -13.6%SPY +14.6% · excess -28.1%

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 0001049521-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 17, 2026SOpen-market sale
Common Stock
-582$83.56$49k14,328Feb 19, 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.

Douglas Munro sold $49k of MRCY | InsiderTell