Mary Beth Wilkinson
CIK 1691769 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 5, 2017 · Latest: Jan. 5, 2017
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net:
$-12,280,133
+ 55 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
55 other filings hidden
| 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 | -9.0% (price as of 2026-08-20) |
| Aug. 7, 2026 | KLAC | S 10b5-1 | 21,831 | $197.57 | $4,313,151 | 38,693 Direct | -36.07% | Disposed | -5.7% (price as of 2026-08-20) |
| Aug. 5, 2026 | KLAC | S 10b5-1 | 13,802 | $195.50 | $2,698,291 | 22,110 Direct | -38.43% | Disposed | -4.7% (price as of 2026-08-20) |
| Aug. 4, 2026 | KLAC | S 10b5-1 | 4,295 | $191.59 | $822,879 | 35,912 Direct | -10.68% | Disposed | -2.8% (price as of 2026-08-20) |
| July 1, 2026 | KLAC | S 10b5-1 | 14,392 | $285.30 | $4,106,038 | 53,367 Direct | -21.24% | Disposed | -34.7% (price as of 2026-08-20) |
| Aug. 8, 2025 | KLAC | S 10b5-1 | 1,022 | $913.00 | $933,086 | 7,802 Direct | -11.58% | Disposed | 104.0% (price as of 2026-08-20) |
| Aug. 5, 2025 | KLAC | S 10b5-1 | 1,920 | $917.00 | $1,760,640 | 2,403 Direct | -44.41% | Disposed | 103.1% (price as of 2026-08-20) |
| Aug. 4, 2025 | KLAC | S 10b5-1 | 763 | $896.75 | $684,220 | 5,763 Direct | -11.69% | Disposed | 107.7% (price as of 2026-08-20) |
| June 30, 2025 | KLAC | S 10b5-1 | 1,320 | $891.16 | $1,176,331 | 7,100 Direct | -15.68% | Disposed | 109.0% (price as of 2026-08-20) |
| Aug. 5, 2024 | KLAC | S 10b5-1 | 242 | $675.00 | $163,350 | 9,298 Direct | -2.54% | Disposed | 175.9% (price as of 2026-08-20) |
| Aug. 5, 2024 | KLAC | S 10b5-1 | 2,369 | $649.84 | $1,539,471 | 9,540 Direct | -19.89% | Disposed | 186.6% (price as of 2026-08-20) |
| Nov. 15, 2023 | KLAC | S 10b5-1 | 430 | $550.00 | $236,500 | 6,364 Direct | -6.33% | Disposed | 238.6% (price as of 2026-08-20) |
| Sept. 22, 2023 | KLAC | S 10b5-1 | 3,155 | $451.51 | $1,424,514 | 6,794 Direct | -31.71% | Disposed | 312.4% (price as of 2026-08-20) |
| Aug. 7, 2023 | KLAC | S 10b5-1 | 870 | $500.00 | $435,000 | 12,315 Direct | -6.60% | Disposed | 272.5% (price as of 2026-08-20) |
| Sept. 22, 2022 | KLAC | S 10b5-1 | 3,155 | $320.34 | $1,010,673 | 12,228 Direct | -20.51% | Disposed | 481.3% (price as of 2026-08-20) |
| Aug. 8, 2022 | KLAC | S 10b5-1 | 896 | $390.85 | $350,202 | 17,750 Direct | -4.81% | Disposed | 376.5% (price as of 2026-08-20) |
| Aug. 26, 2020 | OI | S | 33,122 | $11.25 | $372,622 | 56,842 Direct | -36.82% | Disposed | -41.7% (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 |
|---|---|---|---|---|---|---|---|
| March 11, 2019 | OI | Stock Option 03/07/2016 $15.05 | Common Stock (Direct) (6,777) | $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→ Common Stock (Direct) (5,510) | 5,510 | Direct |
| Jan. 5, 2017 | OI | Stock Option 03/07/2016 $15.05→ Common Stock (Direct) (9,036) | 9,036 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/11 $29.89→ Common Stock (Direct) (726) | 726 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/12 $22.69→ Common Stock (Direct) (1,865) | 1,865 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/2013 $26.07→ Common Stock (Direct) (2,271) | 2,271 | Direct |
| Jan. 5, 2017 | OI | Stock Option 3/07/2014 $33.62→ Common Stock (Direct) (3,188) | 3,188 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
KLAC
Chief Legal Officer & Corporate Secretary| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $555,558 | — | — | — | $619,842 | — | $30,471 | $3,129,029 |
| 2024 | $525,000 | — | — | — | $495,600 | — | $30,132 | $3,446,344 |
| 2023 | $525,000 | — | — | — | $545,160 | — | $28,528 | $4,993,605 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.