Transaction · 0001049521-26-000063

Ballhaus William L

Ballhaus William L, CHAIR, PRES, CEO, reported a transaction classified as exercise at MERCURY SYSTEMS INC involving 153676.000000 shares for an estimated $0.00. Reported holdings after the transaction were 68476.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCHAIR, PRES, CEO
MRCYMERCURY SYSTEMS INC
Trade date
Aug 25, 2026
Filing date
Aug 27, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded153k$0.00 per share
Holdings after68.4kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

MRCY price since this filing

Daily closing prices, with the filing date and available return windows
MRCY · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +14.1%1w ago +16.1%1d ago -1.0%
Returns since7d -6.4%30d -9.2%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001049521-26-000063
Employee Stock Option (Right to Buy)
Transaction date
Aug 25, 2026
Filed Aug 27, 2026, 08:54 PM · 2d delay
Shares
153,676 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
68,476 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Reduction
Filing-only score

-6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chairman, President & CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Represents the exercise of a stock option award scheduled to expire on August 17, 2027.

  2. F2

    Represents the sale of shares intended solely to cover the exercise price, applicable withholding taxes and related transaction costs of stock options exercised on the same date.

  3. F3

    This transaction was executed in multiple trades at prices ranging from $86.800 to $87.800. The price reported above reflects the weighted average purchase price. The reporting person hereby undertake…

  4. F4

    This transaction was executed in multiple trades at prices ranging from $87.820 to $88.325. The price reported above reflects the weighted average purchase price. The reporting person hereby undertake…

  5. F5

    This transaction was executed in multiple trades at prices ranging from $88.500 to $89.435. The price reported above reflects the weighted average purchase price. The reporting person hereby undertake…

  6. F6

    This transaction was executed in multiple trades at prices ranging from $89.560 to $89.960. The price reported above reflects the weighted average purchase price. The reporting person hereby undertake…

Original filing · 0001049521-26-000063
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MRCY