How many insider declarations has Kupinsky Stuart filed?

Kupinsky Stuart has filed 4 public insider declarations with SEC (Form 4).

What is Kupinsky Stuart's role?

Kupinsky Stuart's reported role is not specified by the regulator across the filings.

Which companies does Kupinsky Stuart report trades for?

Kupinsky Stuart reports trades for Mercury Systems INC.

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KS

Kupinsky Stuart

OFFICERM

·SEC (Form 4)

Mercury Systems INC

Cumul. flow

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Explore the complete record of transactions filed by Kupinsky Stuart. Officer active across 1 company, notably Mercury Systems INC. Cumulatively, 4 disclosures have been recorded. History available since 17 August 2026. The latest transaction was disclosed on 21 August 2026 (Notice of proposed sale (Form 144)). Regulator: SEC (Form 4). The full history is accessible without signup.

Companies and markets linked to Kupinsky Stuart

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Mercury Systems INC (US)

Declarations4 total

●

KUPINSKY STUART

OfficerExecutives21 Aug 2026Mercury Systems INC

$95,2300Source ↗

1,000 shares@ US$95.23CommonSEC144:0001959173-26-006294

●

KUPINSKY STUART

OfficerExecutives19 Aug 2026Mercury Systems INC

$131,20016Source ↗

1,308 shares@ US$100.3060.0021% mcap16.9% of flowCommonSEC144:0001959173-26-006244

●

KUPINSKY STUART

OfficerExecutives18 Aug 2026Mercury Systems INC

$131,17916Source ↗

1,178 shares@ US$111.35770.0021% mcap20.4% of flowCommonSEC144:0001959173-26-006165

●

KUPINSKY STUART

OfficerExecutives17 Aug 2026Mercury Systems INC

$131,39117Source ↗

1,195 shares@ US$109.95090.0020% mcap25.7% of flowCommonSEC144:0001959173-26-006105

4 of 4 declarations

InsidersTradesSigma

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KS

Kupinsky Stuart

OFFICERM

·SEC (Form 4)

Mercury Systems INC

Cumul. flow

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Explore the complete record of transactions filed by Kupinsky Stuart. Officer active across 1 company, notably Mercury Systems INC. Cumulatively, 4 disclosures have been recorded. History available since 17 August 2026. The latest transaction was disclosed on 21 August 2026 (Notice of proposed sale (Form 144)). Regulator: SEC (Form 4). The full history is accessible without signup.