Michelle M Mccarthy

CIK 1732461 · View on SEC EDGAR ↗

Insider

First SEC filing: June 8, 2026 · Latest: June 8, 2026

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Insider at

Insider transactions

0 buys (P) 3 sells (S) Net: $-1,133,776 + 20 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

20 other filings hidden
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).