McCarthy Michelle M
Officer · MKSI
As of 2026-09-16, McCarthy Michelle M has 29 Form 4 transactions on record across 1 company — 18 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.
Reconstructed holdings
- Direct $364
- Indirect $0
| MKSI | direct | 2 sh | $364 |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-05 | MKSI | Sale | 2,434 @ $315.23 | $767K | −99.9% of holding | 2 | Form 4 |
| 2026-02-20 | MKSI | Sale | 816 @ $250.35 | $204K | −100.0% of holding | 0 | Form 4 |
| 2026-02-20 | MKSI | Sale | 650 @ $249.57 | $162K | −44.3% of holding | 816 | Form 4 |
26 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-04-15 | MKSI | Withheld for tax | 1,375 | 2,436 | Form 4 |
| 2026-04-15 | MKSI | Award / grant | 1,673 | 11,199 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 968 | 10,231 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,107 | 9,124 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,736 | 7,388 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 968 | 968 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,107 | 2,075 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,736 | 3,811 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 968 | 968 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,107 | 2,075 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,736 | 3,811 | Form 4 |
| 2026-04-15 | MKSI | Award / grant | 1,673 | 11,199 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 968 | 10,231 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,107 | 9,124 | Form 4 |
| 2026-04-15 | MKSI | Option exercise | 1,736 | 7,388 | Form 4 |
| 2025-04-15 | MKSI | Withheld for tax | 608 | 1,466 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 1,106 | 4,316 | Form 4 |
| 2025-04-15 | MKSI | Award / grant | 5,210 | 9,526 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 1,106 | 4,316 | Form 4 |
| 2025-04-15 | MKSI | Award / grant | 5,210 | 9,526 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 968 | 5,422 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 968 | 968 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 968 | 968 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 1,106 | 2,074 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 1,106 | 2,074 | Form 4 |
| 2025-04-15 | MKSI | Option exercise | 968 | 5,422 | Form 4 |
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.