Transaction · 0001049521-26-000046

Ballhaus William L

Ballhaus William L, CHAIR, PRES, CEO, reported a transaction classified as return at MERCURY SYSTEMS INC involving 70287.000000 shares for an estimated $0.00. Reported holdings after the transaction were 304689.325000 shares. A 10b5-1 reference was not detected in the stored filing text.

returnSEC transaction code DCHAIR, PRES, CEO
MRCYMERCURY SYSTEMS INC
Filing timeAug 18
Trade dateAug 14, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$105.00
Pre-filing
1mo ago -1.9%1w ago +3.5%1d ago +4.6%
Returns since
7d -17.0%30d -21.1%90d -21.1%180d -21.1%1y -21.1%

MRCY price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MRCY since 2026-08-18Filed 17 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
return
Code D
Identifier
0001049521-26-000046
Common Stock
Transaction date
Aug 14, 2026
Filed Aug 18, 2026, 10:16 PM · 4d delay
Shares
70.2k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
304k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+6score
Filing-only score

+6

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

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

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 shares underlying performance stock awards that were forfeited as a result of below-target performance.

Original filing · 0001049521-26-000046
Related transactions

0 other filings

Same reporting owner
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MRCY