Elizabeth Mora
CIK 1548935 · View on SEC EDGAR ↗
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 2026
On this page
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net:
$-244,836
+ 25 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
25 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | MKSI | S 10b5-1 | 300 | $318.02 | $95,406 | 19,145 Direct | -1.54% | Disposed | -13.2% (price as of 2026-08-20) |
| March 2, 2026 | MKSI | S 10b5-1 | 300 | $239.44 | $71,832 | 18,663 Direct | -1.58% | Disposed | 15.3% (price as of 2026-08-20) |
| Dec. 2, 2025 | MKSI | S 10b5-1 | 300 | $158.81 | $47,643 | 18,963 Direct | -1.56% | Disposed | 73.8% (price as of 2026-08-20) |
| Sept. 2, 2025 | MKSI | S 10b5-1 | 300 | $99.85 | $29,955 | 19,263 Direct | -1.53% | Disposed | 176.4% (price as of 2026-08-20) |
| June 2, 2025 | MKSI | S 10b5-1 | 300 | $81.78 | $24,534 | 19,563 Direct | -1.51% | Disposed | 237.5% (price as of 2026-08-20) |
| March 3, 2025 | MKSI | S 10b5-1 | 275 | $92.46 | $25,426 | 17,384 Direct | -1.56% | Disposed | 198.5% (price as of 2026-08-20) |
| Dec. 2, 2024 | MKSI | S 10b5-1 | 275 | $113.41 | $31,188 | 17,659 Direct | -1.53% | Disposed | 143.4% (price as of 2026-08-20) |
| Sept. 3, 2024 | MKSI | S 10b5-1 | 275 | $115.97 | $31,892 | 17,934 Direct | -1.51% | Disposed | 138.0% (price as of 2026-08-20) |
| June 3, 2024 | MKSI | S 10b5-1 | 275 | $129.41 | $35,588 | 18,209 Direct | -1.49% | Disposed | 113.3% (price as of 2026-08-20) |
| April 1, 2024 | MKSI | S 10b5-1 | 250 | $133.00 | $33,250 | 16,862 Direct | -1.46% | Disposed | 107.5% (price as of 2026-08-20) |
| Jan. 2, 2024 | MKSI | S 10b5-1 | 250 | $100.90 | $25,225 | 17,112 Direct | -1.44% | Disposed | 173.5% (price as of 2026-08-20) |
| Oct. 2, 2023 | MKSI | S 10b5-1 | 250 | $87.15 | $21,788 | 17,362 Direct | -1.42% | Disposed | 216.7% (price as of 2026-08-20) |
| July 3, 2023 | MKSI | S 10b5-1 | 250 | $108.49 | $27,122 | 17,612 Direct | -1.40% | Disposed | 154.4% (price as of 2026-08-20) |
| June 1, 2023 | MKSI | S 10b5-1 | 200 | $97.16 | $19,432 | 17,862 Direct | -1.11% | Disposed | 184.1% (price as of 2026-08-20) |
| March 15, 2023 | MKSI | S 10b5-1 | 200 | $86.67 | $17,334 | 15,693 Direct | -1.26% | Disposed | 218.4% (price as of 2026-08-20) |
| Dec. 1, 2022 | MKSI | S 10b5-1 | 200 | $83.86 | $16,772 | 15,893 Direct | -1.24% | Disposed | 229.1% (price as of 2026-08-20) |
| Sept. 1, 2022 | MKSI | S 10b5-1 | 200 | $96.72 | $19,344 | 16,093 Direct | -1.23% | Disposed | 185.3% (price as of 2026-08-20) |
| March 1, 2022 | MKSI | S 10b5-1 | 300 | $149.99 | $44,997 | 14,548 Direct | -2.02% | Disposed | 84.0% (price as of 2026-08-20) |
| Dec. 1, 2021 | MKSI | S 10b5-1 | 300 | $155.91 | $46,773 | 14,848 Direct | -1.98% | Disposed | 77.0% (price as of 2026-08-20) |
| Sept. 1, 2021 | MKSI | S 10b5-1 | 300 | $148.10 | $44,430 | 15,148 Direct | -1.94% | Disposed | 86.4% (price as of 2026-08-20) |
| June 1, 2021 | MKSI | S 10b5-1 | 300 | $190.00 | $57,000 | 15,448 Direct | -1.91% | Disposed | 45.3% (price as of 2026-08-20) |
| March 1, 2021 | MKSI | S 10b5-1 | 450 | $168.00 | $75,600 | 14,601 Direct | -2.99% | Disposed | 64.3% (price as of 2026-08-20) |
| Dec. 1, 2020 | MKSI | S 10b5-1 | 450 | $139.54 | $62,793 | 15,051 Direct | -2.90% | Disposed | 97.8% (price as of 2026-08-20) |
| Sept. 1, 2020 | MKSI | S 10b5-1 | 450 | $120.28 | $54,126 | 15,501 Direct | -2.82% | Disposed | 129.5% (price as of 2026-08-20) |
| June 1, 2020 | MKSI | S 10b5-1 | 450 | $105.09 | $47,290 | 15,951 Direct | -2.74% | Disposed | 162.6% (price as of 2026-08-20) |
| May 5, 2020 | MKSI | S | 1,005 | $96.76 | $97,244 | 14,413 Direct | -6.52% | Disposed | 185.2% (price as of 2026-08-20) |
| March 2, 2020 | MKSI | S 10b5-1 | 400 | $100.68 | $40,272 | 15,418 Direct | -2.53% | Disposed | 174.1% (price as of 2026-08-20) |
| Dec. 2, 2019 | MKSI | S 10b5-1 | 400 | $106.92 | $42,768 | 15,818 Direct | -2.47% | Disposed | 158.1% (price as of 2026-08-20) |
| Sept. 3, 2019 | MKSI | S 10b5-1 | 400 | $77.00 | $30,800 | 16,218 Direct | -2.41% | Disposed | 258.4% (price as of 2026-08-20) |
| June 3, 2019 | MKSI | S 10b5-1 | 400 | $71.93 | $28,772 | 16,618 Direct | -2.35% | Disposed | 283.7% (price as of 2026-08-20) |
| March 1, 2019 | MKSI | S 10b5-1 | 375 | $83.90 | $31,462 | 15,037 Direct | -2.43% | Disposed | 229.0% (price as of 2026-08-20) |
| Dec. 3, 2018 | MKSI | S 10b5-1 | 375 | $79.90 | $29,962 | 15,412 Direct | -2.38% | Disposed | 245.4% (price as of 2026-08-20) |
| Sept. 4, 2018 | MKSI | S 10b5-1 | 375 | $92.50 | $34,688 | 15,787 Direct | -2.32% | Disposed | 198.4% (price as of 2026-08-20) |
| June 1, 2018 | MKSI | S 10b5-1 | 375 | $113.40 | $42,525 | 16,162 Direct | -2.27% | Disposed | 143.4% (price as of 2026-08-20) |
| May 16, 2018 | MKSI | S | 516 | $116.42 | $60,073 | 16,537 Direct | -3.03% | Disposed | 137.1% (price as of 2026-08-20) |
| March 1, 2018 | MKSI | S 10b5-1 | 300 | $111.10 | $33,330 | 15,554 Direct | -1.89% | Disposed | 148.4% (price as of 2026-08-20) |
| Dec. 1, 2017 | MKSI | S 10b5-1 | 300 | $94.10 | $28,230 | 15,854 Direct | -1.86% | Disposed | 193.3% (price as of 2026-08-20) |
| Sept. 1, 2017 | MKSI | S 10b5-1 | 300 | $82.80 | $24,840 | 16,154 Direct | -1.82% | Disposed | 233.3% (price as of 2026-08-20) |
| June 1, 2017 | MKSI | S 10b5-1 | 300 | $81.90 | $24,570 | 16,454 Direct | -1.79% | Disposed | 237.0% (price as of 2026-08-20) |
| May 3, 2017 | MKSI | S 10b5-1 | 200 | $80.00 | $16,000 | 14,765 Direct | -1.34% | Disposed | 245.0% (price as of 2026-08-20) |
| Feb. 1, 2017 | MKSI | S 10b5-1 | 200 | $66.60 | $13,320 | 14,965 Direct | -1.32% | Disposed | 314.4% (price as of 2026-08-20) |
| Nov. 1, 2016 | MKSI | S 10b5-1 | 200 | $50.50 | $10,100 | 15,165 Direct | -1.30% | Disposed | 446.5% (price as of 2026-08-20) |
| Aug. 3, 2016 | MKSI | S 10b5-1 | 200 | $45.17 | $9,034 | 15,365 Direct | -1.28% | Disposed | 511.0% (price as of 2026-08-20) |
| May 4, 2015 | MKSI | S | 2,800 | $35.39 | $99,092 | 7,774 Direct | -26.48% | Disposed | 679.9% (price as of 2026-08-20) |
| Dec. 2, 2014 | MKSI | S | 1,875 | $36.09 | $67,669 | 10,574 Direct | -15.06% | Disposed | 664.7% (price as of 2026-08-20) |
| July 28, 2014 | MKSI | S | 2,000 | $31.97 | $63,940 | 12,449 Direct | -13.84% | Disposed | 763.3% (price as of 2026-08-20) |
| Feb. 4, 2014 | MKSI | S | 1,875 | $29.75 | $55,781 | 10,043 Direct | -15.73% | Disposed | 827.7% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 8, 2012 | MKSI | Common Stock | 7,500 | Direct |