Mary Beth Wilkinson
Insider
First SEC filing: Jan. 5, 2017 · Latest: Jan. 5, 2017
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-12,280,133
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2026 | KLAC | S 10b5-1 | 1,661 | $204.56 | $339,774 | 37,032 Direct | -4.29% | Disposed | 1.1% (price as of 2026-10-05) |
| Aug. 7, 2026 | KLAC | F | 1,208 | $193.22 | $233,410 | 60,524 Direct | -1.96% | Disposed | 7.1% (price as of 2026-10-05) |
| Aug. 7, 2026 | KLAC | S 10b5-1 | 21,831 | $197.57 | $4,313,151 | 38,693 Direct | -36.07% | Disposed | 4.7% (price as of 2026-10-05) |
| Aug. 6, 2026 | KLAC | A | 25,440 | · | · | 52,620 Direct | +93.60% | Acquired | (price as of 2026-10-05) |
| Aug. 6, 2026 | KLAC | F | 5,355 | $192.80 | $1,032,444 | 47,265 Direct | -10.18% | Disposed | 7.3% (price as of 2026-10-05) |
| Aug. 6, 2026 | KLAC | A | 24,987 | · | · | 72,252 Direct | +52.87% | Acquired | (price as of 2026-10-05) |
| Aug. 6, 2026 | KLAC | F | 10,520 | $192.80 | $2,028,256 | 61,732 Direct | -14.56% | Disposed | 7.3% (price as of 2026-10-05) |
| Aug. 5, 2026 | KLAC | A | 5,070 | · | · | 27,180 Direct | +22.93% | Acquired | (price as of 2026-10-05) |
| Aug. 5, 2026 | KLAC | S 10b5-1 | 13,802 | $195.50 | $2,698,291 | 22,110 Direct | -38.43% | Disposed | 5.8% (price as of 2026-10-05) |
| Aug. 4, 2026 | KLAC | F | 2,509 | $182.75 | $458,520 | 47,734 Direct | -4.99% | Disposed | 13.2% (price as of 2026-10-05) |
| Aug. 4, 2026 | KLAC | F | 7,527 | $182.75 | $1,375,559 | 40,207 Direct | -15.77% | Disposed | 13.2% (price as of 2026-10-05) |
| Aug. 4, 2026 | KLAC | S 10b5-1 | 4,295 | $191.59 | $822,879 | 35,912 Direct | -10.68% | Disposed | 8.0% (price as of 2026-10-05) |
| Aug. 3, 2026 | KLAC | F | 1,785 | $182.82 | $326,334 | 50,243 Direct | -3.43% | Disposed | 13.1% (price as of 2026-10-05) |
| Aug. 1, 2026 | KLAC | F | 1,339 | $182.82 | $244,796 | 52,029 Direct | -2.51% | Disposed | 13.1% (price as of 2026-10-05) |
| July 1, 2026 | KLAC | S 10b5-1 | 14,392 | $285.30 | $4,106,038 | 53,367 Direct | -21.24% | Disposed | -27.5% (price as of 2026-10-05) |
| June 30, 2026 | KLAC | F | 10,260 | $278.39 | $2,856,281 | 67,759 Direct | -13.15% | Disposed | -25.7% (price as of 2026-10-05) |
| Aug. 8, 2025 | KLAC | S 10b5-1 | 1,022 | $913.00 | $933,086 | 7,802 Direct | -11.58% | Disposed | 126.6% (price as of 2026-10-05) |
| Aug. 7, 2025 | KLAC | A | 1,145 | · | · | 8,824 Direct | +14.91% | Acquired | (price as of 2026-10-05) |
| Aug. 7, 2025 | KLAC | A | 2,465 | · | · | 7,679 Direct | +47.28% | Acquired | (price as of 2026-10-05) |
| Aug. 7, 2025 | KLAC | F | 767 | $888.28 | $681,311 | 5,214 Direct | -12.82% | Disposed | 132.9% (price as of 2026-10-05) |
| Aug. 7, 2025 | KLAC | A | 3,578 | · | · | 5,980 Direct | +148.96% | Acquired | (price as of 2026-10-05) |
| Aug. 5, 2025 | KLAC | S 10b5-1 | 1,920 | $917.00 | $1,760,640 | 2,403 Direct | -44.41% | Disposed | 125.6% (price as of 2026-10-05) |
| Aug. 5, 2025 | KLAC | F | 343 | $915.62 | $314,058 | 4,323 Direct | -7.35% | Disposed | 125.9% (price as of 2026-10-05) |
| Aug. 5, 2025 | KLAC | F | 274 | $915.62 | $250,880 | 4,666 Direct | -5.55% | Disposed | 125.9% (price as of 2026-10-05) |
| Aug. 5, 2025 | KLAC | F | 823 | $915.62 | $753,555 | 4,940 Direct | -14.28% | Disposed | 125.9% (price as of 2026-10-05) |
| Aug. 4, 2025 | KLAC | S 10b5-1 | 763 | $896.75 | $684,220 | 5,763 Direct | -11.69% | Disposed | 130.7% (price as of 2026-10-05) |
| Aug. 4, 2025 | KLAC | F | 255 | $886.64 | $226,093 | 6,526 Direct | -3.76% | Disposed | 133.3% (price as of 2026-10-05) |
| Aug. 3, 2025 | KLAC | F | 182 | $886.64 | $161,368 | 6,782 Direct | -2.61% | Disposed | 133.3% (price as of 2026-10-05) |
| Aug. 1, 2025 | KLAC | F | 136 | $879.03 | $119,548 | 6,963 Direct | -1.92% | Disposed | 135.3% (price as of 2026-10-05) |
| June 30, 2025 | KLAC | S 10b5-1 | 1,320 | $891.16 | $1,176,331 | 7,100 Direct | -15.68% | Disposed | 132.1% (price as of 2026-10-05) |
| June 30, 2025 | KLAC | F | 878 | $889.87 | $781,306 | 8,420 Direct | -9.44% | Disposed | 132.4% (price as of 2026-10-05) |
| Aug. 5, 2024 | KLAC | S 10b5-1 | 242 | $675.00 | $163,350 | 9,298 Direct | -2.54% | Disposed | 206.4% (price as of 2026-10-05) |
| Aug. 5, 2024 | KLAC | S 10b5-1 | 2,369 | $649.84 | $1,539,471 | 9,540 Direct | -19.89% | Disposed | 218.3% (price as of 2026-10-05) |
| Aug. 5, 2024 | KLAC | F | 715 | $696.17 | $497,762 | 11,909 Direct | -5.66% | Disposed | 197.1% (price as of 2026-10-05) |
| Aug. 5, 2024 | KLAC | F | 343 | $696.17 | $238,786 | 12,624 Direct | -2.65% | Disposed | 197.1% (price as of 2026-10-05) |
| Aug. 5, 2024 | KLAC | F | 274 | $696.17 | $190,751 | 12,967 Direct | -2.07% | Disposed | 197.1% (price as of 2026-10-05) |
| Aug. 4, 2024 | KLAC | F | 255 | $696.17 | $177,523 | 13,241 Direct | -1.89% | Disposed | 197.1% (price as of 2026-10-05) |
| Aug. 3, 2024 | KLAC | F | 182 | $696.17 | $126,703 | 13,497 Direct | -1.33% | Disposed | 197.1% (price as of 2026-10-05) |
| Aug. 1, 2024 | KLAC | A | 2,198 | · | · | 13,678 Direct | +19.15% | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2024 | KLAC | A | 3,844 | · | · | 11,480 Direct | +50.34% | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2024 | KLAC | A | 1,272 | · | · | 7,636 Direct | +19.99% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2023 | KLAC | S 10b5-1 | 430 | $550.00 | $236,500 | 6,364 Direct | -6.33% | Disposed | 276.1% (price as of 2026-10-05) |
| Sept. 22, 2023 | KLAC | S 10b5-1 | 3,155 | $451.51 | $1,424,514 | 6,794 Direct | -31.71% | Disposed | 358.1% (price as of 2026-10-05) |
| Sept. 21, 2023 | KLAC | F | 2,366 | $446.92 | $1,057,413 | 9,949 Direct | -19.21% | Disposed | 362.8% (price as of 2026-10-05) |
| Aug. 7, 2023 | KLAC | S 10b5-1 | 870 | $500.00 | $435,000 | 12,315 Direct | -6.60% | Disposed | 313.7% (price as of 2026-10-05) |
| Aug. 5, 2023 | KLAC | F | 228 | $496.47 | $113,195 | 13,185 Direct | -1.70% | Disposed | 316.6% (price as of 2026-10-05) |
| Aug. 5, 2023 | KLAC | F | 344 | $496.47 | $170,786 | 13,413 Direct | -2.50% | Disposed | 316.6% (price as of 2026-10-05) |
| Aug. 4, 2023 | KLAC | F | 166 | $496.47 | $82,414 | 13,757 Direct | -1.19% | Disposed | 316.6% (price as of 2026-10-05) |
| Aug. 3, 2023 | KLAC | A | 1,695 | · | · | 13,923 Direct | +13.86% | Acquired | (price as of 2026-10-05) |
| Sept. 22, 2022 | KLAC | S 10b5-1 | 3,155 | $320.34 | $1,010,673 | 12,228 Direct | -20.51% | Disposed | 545.7% (price as of 2026-10-05) |
| Sept. 21, 2022 | KLAC | F | 2,367 | $322.86 | $764,210 | 15,383 Direct | -13.34% | Disposed | 540.7% (price as of 2026-10-05) |
| Aug. 8, 2022 | KLAC | S 10b5-1 | 896 | $390.85 | $350,202 | 17,750 Direct | -4.81% | Disposed | 429.2% (price as of 2026-10-05) |
| Aug. 5, 2022 | KLAC | F | 344 | $395.74 | $136,135 | 18,646 Direct | -1.81% | Disposed | 422.7% (price as of 2026-10-05) |
| Aug. 5, 2022 | KLAC | F | 202 | $395.74 | $79,939 | 18,990 Direct | -1.05% | Disposed | 422.7% (price as of 2026-10-05) |
| Aug. 4, 2022 | KLAC | A | 2,384 | · | · | 19,192 Direct | +14.18% | Acquired | (price as of 2026-10-05) |
| Sept. 22, 2021 | KLAC | S 10b5-1 | 3,505 | $359.13 | $1,258,751 | 0 Direct | -100.00% | Disposed | 476.0% (price as of 2026-10-05) |
| Sept. 21, 2021 | KLAC | M | 5,522 | · | · | 16,808 Direct | -24.73% | Disposed | (price as of 2026-10-05) |
| Sept. 21, 2021 | KLAC | M | 5,522 | · | · | 5,522 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 21, 2021 | KLAC | F | 2,017 | $356.58 | $719,222 | 3,505 Direct | -36.53% | Disposed | 480.1% (price as of 2026-10-05) |
| Aug. 5, 2021 | KLAC | A | 2,562 | · | · | 19,127 Direct | +15.47% | Acquired | (price as of 2026-10-05) |
| Aug. 5, 2021 | KLAC | A | 3,203 | · | · | 22,330 Direct | +16.75% | Acquired | (price as of 2026-10-05) |
| Sept. 21, 2020 | KLAC | A | 16,565 | · | · | 16,565 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 26, 2020 | OI | S | 33,122 | $11.25 | $372,622 | 56,842 Direct | -36.82% | Disposed | -50.5% (price as of 2026-10-05) |
| March 7, 2020 | OI | A | 38,627 | · | · | 88,809 Direct | +76.97% | Acquired | (price as of 2026-10-05) |
| March 7, 2020 | OI | A | 10,406 | · | · | 99,215 Direct | +11.72% | Acquired | (price as of 2026-10-05) |
| March 7, 2020 | OI | F | 9,251 | $9.32 | $86,219 | 89,964 Direct | -9.32% | Disposed | -40.2% (price as of 2026-10-05) |
| March 11, 2019 | OI | M | 6,777 | $15.05 | $101,994 | 56,095 Direct | +13.74% | Acquired | -63.0% (price as of 2026-10-05) |
| March 11, 2019 | OI | F | 5,913 | $19.58 | $115,777 | 50,182 Direct | -10.54% | Disposed | -71.6% (price as of 2026-10-05) |
| March 11, 2019 | OI | M | 6,777 | · | · | 2,259 Direct | -75.00% | Disposed | (price as of 2026-10-05) |
| March 7, 2019 | OI | A | 12,877 | · | · | 45,833 Direct | +39.07% | Acquired | (price as of 2026-10-05) |
| March 7, 2019 | OI | A | 11,960 | · | · | 57,793 Direct | +26.09% | Acquired | (price as of 2026-10-05) |
| March 7, 2019 | OI | F | 8,475 | $20.34 | $172,382 | 49,318 Direct | -14.66% | Disposed | -72.6% (price as of 2026-10-05) |
| Feb. 11, 2019 | OI | I | 2,124 | $19.18 | $40,738 | 0 Indirect | -100.00% | Disposed | -71.0% (price as of 2026-10-05) |
| March 7, 2018 | OI | A | 11,338 | · | · | 31,848 Direct | +55.28% | Acquired | (price as of 2026-10-05) |
| March 7, 2018 | OI | A | 3,403 | · | · | 35,251 Direct | +10.69% | Acquired | (price as of 2026-10-05) |
| March 7, 2018 | OI | F | 2,295 | $21.97 | $50,421 | 32,956 Direct | -6.51% | Disposed | -74.6% (price as of 2026-10-05) |
| March 7, 2017 | OI | A | 11,562 | · | · | 20,626 Direct | +127.56% | Acquired | (price as of 2026-10-05) |
| March 7, 2017 | OI | A | 731 | · | · | 21,357 Direct | +3.54% | Acquired | (price as of 2026-10-05) |
| March 7, 2017 | OI | F | 847 | $19.97 | $16,915 | 20,510 Direct | -3.97% | Disposed | -72.1% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| March 11, 2019 | OI | Stock Option 03/07/2016 $15.05 | Common Stock (Direct) | $15.05 | March 7, 2023 | 6,777 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 5, 2017 | OI | Common Stock (Direct) | 9,064 | Direct |
| Jan. 5, 2017 | OI | Common Stock (Indirect) | 1,143 | Indirect |
| Jan. 5, 2017 | OI | Stock Option 03/07/2015 $23.99 | 5,510 | Direct |
| Jan. 5, 2017 | OI | Stock Option 03/07/2016 $15.05 | 9,036 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/11 $29.89 | 726 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/12 $22.69 | 1,865 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/2013 $26.07 | 2,271 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/2014 $33.62 | 3,188 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2026 | $560,000 | · | · | · | $779,727 | · | $35,092 | $3,463,597 |
| 2025 | $555,558 | · | · | · | $619,842 | · | $35,092 | $3,133,650 |
| 2024 | $525,000 | · | · | · | $495,600 | · | $30,132 | $3,446,344 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.