FolioLanternBeta
MRCYMercury Systems Inc

Stuart Kupinsky

EVP, CLO & Corp Sec at Mercury Systems Inc, as of Sep 23, 2026Sold $767K of stock in the past 12 months: 24% under a disclosed plan and 76% to cover taxes.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
62K
shares held after the latest filing, Mercury Systems Inc
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
8K
shares sold, past 12 months
6
days with sales
$191K
largest single day, Feb 17, 2026
1
company filed for

Share of stake sold at Mercury Systems Inc is not shown: the holdings do not reconcile with the filings. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planTo cover taxesOne dollar scale for every month; the tallest bar is labeled
OctNovDecJanFeb 2026: $191K to cover taxesFebMarAprMayJunJulAug 2026: $95K under a disclosed planAug 2026: $394K to cover taxes$489KAugSep 2026: $87K under a disclosed planSepOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Mercury Systems Inc (MRCY)EVP, CLO & Corp SecFeb 20, 2024Sep 23, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.