KUPINSKY STUART
Officer · MRCY
As of 2026-09-16, KUPINSKY STUART has 10 Form 4 transactions on record across 1 company — 6 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $4.9M
- Indirect $0
| MRCY | direct | 56,352 sh | $4.9M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-21 | MRCY | Sale | 1,000 @ $95.23 | $95K | −1.7% of holding | 56,352 | Form 4 |
| 2026-08-19 | MRCY | Sale | 1,308 @ $100.31 | $131K | −2.2% of holding | 57,352 | Form 4 |
| 2026-08-18 | MRCY | Sale | 1,178 @ $111.36 | $131K | −2.0% of holding | 58,660 | Form 4 |
| 2026-08-17 | MRCY | Sale | 1,195 @ $109.95 | $131K | −2.0% of holding | 59,838 | Form 4 |
| 2026-02-17 | MRCY | Sale | 2,287 @ $83.56 | $191K | −3.3% of holding | 68,010 | Form 4 |
| 2025-08-19 | MRCY | Sale | 1,220 @ $64.46 | $79K | −1.7% of holding | 70,297 | Form 4 |
| 2025-08-18 | MRCY | Sale | 1,182 @ $66.52 | $79K | −1.6% of holding | 71,517 | Form 4 |
| 2025-02-18 | MRCY | Sale | 2,377 @ $44.12 | $105K | −3.6% of holding | 62,834 | Form 4 |
2 award / exercise / gift records — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.