Kupinsky Stuart: insider trades.
Kupinsky Stuart reported 7 non-derivative transactions on 6 SEC ownership filings in Q3 2026: 0 open-market purchases and 5 sales ($576K), across 1 company.
- Transactions
- 7
- Purchases (P)
- 0
- Sales (S)
- 5
- Companies
- 1
- Name as filed
- KUPINSKY STUART
Companies
| Company | Relationship | Transactions |
|---|---|---|
| Mercury Systems Inc (MRCY) | Officer · EVP, CLO & Corp Sec | 7 |
Transactions
| Date | Company | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-21 | Mercury Systems Inc | S | 1,000 | $86.52 | 60,971 | Form 4 |
| 2026-08-21 | Mercury Systems Inc | S | 1,000 | $95.23 | 56,352 | Form 4 |
| 2026-08-19 | Mercury Systems Inc | S | 1,308 | $100.31 | 57,352 | Form 4 |
| 2026-08-18 | Mercury Systems Inc | S | 1,178 | $111.36 | 58,660 | Form 4 |
| 2026-08-17 | Mercury Systems Inc | A | 5,619 | $0 | 65,457 | Form 4/A |
| 2026-08-17 | Mercury Systems Inc | S | 1,195 | $109.95 | 59,838 | Form 4 |
| 2026-08-14 | Mercury Systems Inc | D | 6,977 | $0 | 61,033 | Form 4 |
Questions
What stock did Kupinsky Stuart buy or sell?
Kupinsky Stuart reported 7 non-derivative transactions on 6 SEC ownership filings in Q3 2026: 0 open-market purchases and 5 sales ($576K), across 1 company.
Is Kupinsky Stuart the same person as other filers with this name?
This page covers SEC CIK 1289593 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.
Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.
Plain-text version for agents and LLMs: /insiders/kupinsky-stuart-1289593.md
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