Insider · CIK 0001691769
Mary Beth Wilkinson
Files at KLAC (KLA CORP). First filing Nov 17, 2023, latest Aug 11, 2026.
In brief
Mary Beth Wilkinson files SEC Form 4 as officer at KLAC (KLA CORP). Since Nov 17, 2023, Mary Beth Wilkinson has reported 0 open-market buys worth $0 and 11 open-market sells worth $19M, the latest filed on Aug 11, 2026.
A track record needs three past buys with six months of prices behind them; Mary Beth Wilkinson has 0, so none is measured yet.
The newest scored trade: sold $340k of KLAC on Aug 10, 2026, filed Aug 11, 2026, scored 25 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 5 sells worth $12M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
KLAC: KLA CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 25Weak | KLA CORP | $340k 1,661 shares | -4% | +129% from low-36% from high | |
| 45Moderate | KLA CORP | $4.3M 21,831 shares | -36% | +136% from low-34% from high | |
| 45Moderate | KLA CORP | $2.7M 13,802 shares | -38% | +129% from low-36% from high | |
| 38Weak | KLA CORP | $823k 4,295 shares | -11% | +133% from low-35% from high | |
| 40Moderate | KLA CORP | $4.1M 14,392 shares | -21% | +217% from low-12% from high | |
| 39Weak | KLA CORP | $933k 1,022 shares | -12% | +59% from low-2% from high | |
| 45Moderate | KLA CORP | $1.8M 1,920 shares | -44% | +54% from low-6% from high | |
| 36Weak | KLA CORP | $684k 763 shares | -12% | +59% from low-2% from high | |
| 33Weak | KLA CORP | $1.2M 1,320 shares | -16% | +56% from low-1% from high | |
| 40Moderate | KLA CORP | $1.7M 2,611 shares | -22% | +59% from low-21% from high | |
| 16Weak | KLA CORP | $237k 430 shares | -6% | +54% from low-0% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 10, 2026 | KLAC KLA CORP | 1,661 0.00% of outstanding | $340k | Aug 10, 2026 | $12M |
| Aug 7, 2026 | KLAC KLA CORP | 21,831 0.00% of outstanding | $4.3M | Aug 7, 2026 | $7.6M |
| Aug 5, 2026 | KLAC KLA CORP | 13,802 0.01% of outstanding | $2.7M | Aug 5, 2026 | $4.9M |
| Aug 4, 2026 | KLAC KLA CORP | 4,295 0.00% of outstanding | $823k | Aug 4, 2026 | $4.1M |
| Jul 1, 2026 | KLAC KLA CORP | 14,392 0.01% of outstanding | $4.1M | Jul 1, 2026 | none |
| Aug 8, 2025 | KLAC KLA CORP | 1,022 0.00% of outstanding | $933k | Aug 8, 2025 | $3.6M |
| Aug 5, 2025 | KLAC KLA CORP | 1,920 0.00% of outstanding | $1.8M | Aug 5, 2025 | $1.9M |
| Aug 4, 2025 | KLAC KLA CORP | 763 0.00% of outstanding | $684k | Aug 4, 2025 | $1.2M |
| Jun 30, 2025 | KLAC KLA CORP | 1,320 0.00% of outstanding | $1.2M | Jun 30, 2025 | none |
| Aug 5, 2024 | KLAC KLA CORP | 2,611 0.00% of outstanding | $1.7M | Aug 5, 2024 | none |
| Nov 15, 2023 | KLAC KLA CORP | 430 0.00% of outstanding | $237k | Nov 15, 2023 | $1.4M |
Transactions
Every row this insider has filed, 42 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -1,661 | $204.56 | $340k | 37,032 | Aug 11, 2026 |
| Aug 7, 2026 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -1,208 | $193.22 | $233k | 60,524 | Aug 10, 2026 |
| Aug 7, 2026 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -21,831 | $197.57 | $4.3M | 38,693 | Aug 10, 2026 |
| Aug 5, 2026 | KLAC KLA CORP | AGrant or award Common Stock | +5,070 | $0.00 | $0 | 27,180 | Aug 7, 2026 |
| Aug 6, 2026 | KLAC KLA CORP | AGrant or award Common Stock | +25,440 | $0.00 | $0 | 52,620 | Aug 7, 2026 |
| Aug 6, 2026 | KLAC KLA CORP | FTax withholding Common Stock | -5,355 | $192.80 | $1.0M | 47,265 | Aug 7, 2026 |
| Aug 6, 2026 | KLAC KLA CORP | AGrant or award Common Stock | +24,987 | $0.00 | $0 | 72,252 | Aug 7, 2026 |
| Aug 6, 2026 | KLAC KLA CORP | FTax withholding Common Stock | -10,520 | $192.80 | $2.0M | 61,732 | Aug 7, 2026 |
| Aug 5, 2026 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -13,802 | $195.50 | $2.7M | 22,110 | Aug 5, 2026 |
| Aug 4, 2026 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -2,509 | $182.75 | $459k | 47,734 | Aug 4, 2026 |
| Aug 4, 2026 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -7,527 | $182.75 | $1.4M | 40,207 | Aug 4, 2026 |
| Aug 4, 2026 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -4,295 | $191.59 | $823k | 35,912 | Aug 4, 2026 |
| Aug 1, 2026 | KLAC KLA CORP | FTax withholding Common Stock | -1,339 | $182.82 | $245k | 52,029 | Aug 3, 2026 |
| Aug 3, 2026 | KLAC KLA CORP | FTax withholding Common Stock | -1,785 | $182.82 | $326k | 50,243 | Aug 3, 2026 |
| Jun 30, 2026 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -10,260 | $278.39 | $2.9M | 67,759 | Jul 2, 2026 |
| Jul 1, 2026 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -14,392 | $285.30 | $4.1M | 53,367 | Jul 2, 2026 |
| Aug 8, 2025 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -1,022 | $913.00 | $933k | 7,802 | Aug 12, 2025 |
| Aug 7, 2025 | KLAC KLA CORP | AGrant or award Common Stock | +3,578 | $0.00 | $0 | 5,980 | Aug 8, 2025 |
| Aug 7, 2025 | KLAC KLA CORP | FTax withholding Common Stock | -767 | $888.28 | $681k | 5,214 | Aug 8, 2025 |
| Aug 7, 2025 | KLAC KLA CORP | AGrant or award Common Stock | +2,465 | $0.00 | $0 | 7,679 | Aug 8, 2025 |
| Aug 7, 2025 | KLAC KLA CORP | AGrant or award Common Stock | +1,145 | $0.00 | $0 | 8,824 | Aug 8, 2025 |
| Aug 5, 2025 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -823 | $915.62 | $754k | 4,940 | Aug 7, 2025 |
| Aug 5, 2025 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -274 | $915.62 | $251k | 4,666 | Aug 7, 2025 |
| Aug 5, 2025 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -343 | $915.62 | $314k | 4,323 | Aug 7, 2025 |
| Aug 5, 2025 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -1,920 | $917.00 | $1.8M | 2,403 | Aug 7, 2025 |
| Aug 3, 2025 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -182 | $886.64 | $161k | 6,782 | Aug 5, 2025 |
| Aug 1, 2025 | KLAC KLA CORP | FTax withholding Common Stock | -136 | $879.03 | $120k | 6,963 | Aug 5, 2025 |
| Aug 4, 2025 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -255 | $886.64 | $226k | 6,526 | Aug 5, 2025 |
| Aug 4, 2025 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -763 | $896.75 | $684k | 5,763 | Aug 5, 2025 |
| Jun 30, 2025 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -878 | $889.87 | $781k | 8,420 | Jul 2, 2025 |
| Jun 30, 2025 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -1,320 | $891.16 | $1.2M | 7,100 | Jul 2, 2025 |
| Aug 3, 2024 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -182 | $696.17 | $126k | 13,497 | Aug 6, 2024 |
| Aug 4, 2024 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -255 | $696.17 | $178k | 13,241 | Aug 6, 2024 |
| Aug 5, 2024 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -274 | $696.17 | $191k | 12,967 | Aug 6, 2024 |
| Aug 5, 2024 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -343 | $696.17 | $239k | 12,624 | Aug 6, 2024 |
| Aug 5, 2024 | KLAC KLA CORP | FTax withholding Common Stock10b5-1 | -715 | $696.17 | $498k | 11,909 | Aug 6, 2024 |
| Aug 5, 2024 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -2,369 | $649.84 | $1.5M | 9,540 | Aug 6, 2024 |
| Aug 5, 2024 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -242 | $675.00 | $163k | 9,298 | Aug 6, 2024 |
| Aug 1, 2024 | KLAC KLA CORP | AGrant or award Common Stock | +1,272 | $0.00 | $0 | 7,636 | Aug 5, 2024 |
| Aug 1, 2024 | KLAC KLA CORP | AGrant or award Common Stock | +3,845 | $0.00 | $0 | 11,480 | Aug 5, 2024 |
| Aug 1, 2024 | KLAC KLA CORP | AGrant or award Common Stock | +2,198 | $0.00 | $0 | 13,678 | Aug 5, 2024 |
| Nov 15, 2023 | KLAC KLA CORP | SOpen-market sale Common Stock10b5-1 | -430 | $550.00 | $237k | 6,364 | Nov 17, 2023 |
Questions about Mary Beth Wilkinson
Answered from the filings on this page, as of the latest one.
Is Mary Beth Wilkinson buying or selling?
In the last 12 months Mary Beth Wilkinson reported 0 open-market buys worth $0 and 5 open-market sells worth $12M on SEC Form 4; the latest was sold $340k of KLAC on Aug 10, 2026. Grants, option exercises and tax withholding are not counted.
How did Mary Beth Wilkinson's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mary Beth Wilkinson has 0.
Where does Mary Beth Wilkinson file Form 4?
Mary Beth Wilkinson has filed Form 4 at KLAC (KLA CORP) as EVP, CLO and Secretary. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.