Michelle M Mccarthy
CIK 1732461 · View on SEC EDGAR ↗
First SEC filing: June 8, 2026 · Latest: June 8, 2026
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 5, 2026 | MKSI | S 10b5-1 | 2,434 | $315.23 | $767,270 | 2 Direct | -99.92% | Disposed | -12.4% (price as of 2026-08-20) |
| Feb. 20, 2026 | MKSI | S | 816 | $250.35 | $204,286 | 0 Direct | -100.00% | Disposed | 10.2% (price as of 2026-08-20) |
| Feb. 20, 2026 | MKSI | S | 650 | $249.57 | $162,220 | 816 Direct | -44.34% | Disposed | 10.6% (price as of 2026-08-20) |
| Dec. 19, 2023 | MRCY | S | 231 | $36.90 | $8,524 | 32,724 Direct | -0.70% | Disposed | 167.7% (price as of 2026-08-20) |
| Aug. 18, 2023 | MRCY | S | 292 | $37.45 | $10,935 | 32,955 Direct | -0.88% | Disposed | 163.7% (price as of 2026-08-20) |
| Aug. 17, 2023 | MRCY | S | 287 | $36.83 | $10,570 | 23,676 Direct | -1.20% | Disposed | 168.2% (price as of 2026-08-20) |
| Aug. 16, 2023 | MRCY | S | 227 | $35.27 | $8,006 | 23,963 Direct | -0.94% | Disposed | 180.0% (price as of 2026-08-20) |
| Feb. 22, 2023 | MRCY | S | 273 | $52.81 | $14,417 | 18,423 Direct | -1.46% | Disposed | 87.0% (price as of 2026-08-20) |
| Feb. 21, 2023 | MRCY | S | 273 | $52.98 | $14,464 | 18,696 Direct | -1.44% | Disposed | 86.4% (price as of 2026-08-20) |
| Feb. 17, 2023 | MRCY | S | 268 | $53.89 | $14,443 | 18,969 Direct | -1.39% | Disposed | 83.3% (price as of 2026-08-20) |
| Feb. 16, 2023 | MRCY | S | 266 | $54.37 | $14,462 | 19,237 Direct | -1.36% | Disposed | 81.7% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| April 15, 2026 | MKSI | Restricted Stock Unit | Common Stock (1,736) | — | — | 1,736 | Disposed |
| April 15, 2026 | MKSI | Restricted Stock Unit | Common Stock (1,107) | — | — | 1,107 | Disposed |
| April 15, 2026 | MKSI | Restricted Stock Unit | Common Stock (968) | — | — | 968 | Disposed |
| April 15, 2026 | MKSI | Restricted Stock Unit | Common Stock (1,673) | — | — | 1,673 | Acquired |
| April 15, 2025 | MKSI | Restricted Stock Unit | Common Stock (5,210) | — | — | 5,210 | Acquired |
| April 15, 2025 | MKSI | Restricted Stock Unit | Common Stock (1,106) | — | — | 1,106 | Disposed |
| April 15, 2025 | MKSI | Restricted Stock Unit | Common Stock (968) | — | — | 968 | Disposed |
| Aug. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (166) | — | — | 166 | Acquired |
| April 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (3,320) | — | — | 3,320 | Acquired |
| April 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (2,905) | — | — | 2,905 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).