Key facts
- Stuart Kupinsky has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $5,791,927.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Stuart Kupinsky
- Location
- Andover, MA
- Summary
- The estimated net worth of Stuart Kupinsky is at least $5,791,927 dollars as of 19 Feb 2026. Stuart Kupinsky is the EVP, CLO & Corp Sec of MERCURY SYSTEMS INC and owns shares of MERCURY SYSTEMS INC (MRCY) stock worth about $5.79M.
- Signature
- /s/ Douglas Munro, attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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Change
- Largest disclosed position: MERCURY SYSTEMS INC ($5,791,927).
- Past-year value change for that position: -$348,360.
Research use
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Stuart Kupinsky
MRCY
Forms 3/4/5
MERCURY SYSTEMS INC
- Relationship
- EVP, CLO & Corp Sec
- Holdings value
- $5,791,927
- Past year net change
- -$348,360
- Change %
- -5.7%
- Report period
- 17 Feb 2026
Insider Transactions Reported by Stuart Kupinsky:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.