Wilkinson Mary Beth

Officer · KLAC

As of 2026-09-27, Wilkinson Mary Beth has 41 Form 4 transactions on record across 1 company — 16 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in August in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $7.0MIndirect: $0$7.0Mas of 2026-09-27
  • Direct $7.0M
  • Indirect $0
KLACdirect37,032 sh$7.0M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

KLAC · 41 trades
2026-08-10: Sale, 1,661 sh ($340K)2026-08-07: Sale, 21,831 sh ($4.3M)2026-08-07: Withheld for tax, 1,208 sh ($233K)2026-08-06: Withheld for tax, 10,520 sh ($2.0M)2026-08-06: Withheld for tax, 5,355 sh ($1.0M)2026-08-06: Award / grant, 25,440 sh ($0)2026-08-06: Award / grant, 24,987 sh ($0)2026-08-05: Sale, 13,802 sh ($2.7M)2026-08-05: Award / grant, 5,070 sh ($0)2026-08-04: Withheld for tax, 7,527 sh ($1.4M)2026-08-04: Sale, 4,295 sh ($823K)2026-08-04: Withheld for tax, 2,509 sh ($459K)2026-08-03: Withheld for tax, 1,785 sh ($326K)2026-08-01: Withheld for tax, 1,339 sh ($245K)2026-07-01: Sale, 14,392 sh ($4.1M)2026-06-30: Withheld for tax, 10,260 sh ($2.9M)2025-08-08: Sale, 1,022 sh ($933K)2025-08-07: Withheld for tax, 767 sh ($681K)2025-08-07: Award / grant, 3,578 sh ($0)2025-08-07: Award / grant, 2,465 sh ($0)2025-08-07: Award / grant, 1,145 sh ($0)2025-08-05: Sale, 1,920 sh ($1.8M)2025-08-05: Withheld for tax, 823 sh ($754K)2025-08-05: Withheld for tax, 343 sh ($314K)2025-08-05: Withheld for tax, 274 sh ($251K)2025-08-04: Sale, 763 sh ($684K)2025-08-04: Withheld for tax, 255 sh ($226K)2025-08-03: Withheld for tax, 182 sh ($161K)2025-08-01: Withheld for tax, 136 sh ($120K)2025-06-30: Sale, 1,320 sh ($1.2M)2025-06-30: Withheld for tax, 878 sh ($781K)2024-08-05: Sale, 2,369 sh ($1.5M)2024-08-05: Withheld for tax, 715 sh ($498K)2024-08-05: Withheld for tax, 343 sh ($239K)2024-08-05: Withheld for tax, 274 sh ($191K)2024-08-05: Sale, 242 sh ($163K)2024-08-04: Withheld for tax, 255 sh ($178K)2024-08-03: Withheld for tax, 182 sh ($126K)2024-08-01: Award / grant, 1,272 sh ($0)2024-08-01: Award / grant, 2,198 sh ($0)2024-08-01: Award / grant, 3,845 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-10KLACSale1,661 @ $204.56$340K−4.3% of holding37,032Form 4
2026-08-07KLACSale21,831 @ $197.57$4.3M−36.1% of holding38,693Form 4
2026-08-05KLACSale13,802 @ $195.50$2.7M−38.4% of holding22,110Form 4
2026-08-04KLACSale4,295 @ $191.59$823K−10.7% of holding35,912Form 4
2026-07-01KLACSale14,392 @ $285.30$4.1M−21.2% of holding53,367Form 4
2025-08-08KLACSale1,022 @ $913.00$933K−11.6% of holding7,802Form 4
2025-08-05KLACSale1,920 @ $917.00$1.8M−44.4% of holding2,403Form 4
2025-08-04KLACSale763 @ $896.75$684K−11.7% of holding5,763Form 4
2025-06-30KLACSale1,320 @ $891.16$1.2M−15.7% of holding7,100Form 4
2024-08-05KLACSale2,369 @ $649.84$1.5M−19.9% of holding9,540Form 4
2024-08-05KLACSale242 @ $675.00$163K−2.5% of holding9,298Form 4
30 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-07KLACWithheld for tax1,20860,524Form 4
2026-08-06KLACWithheld for tax10,52061,732Form 4
2026-08-06KLACWithheld for tax5,35547,265Form 4
2026-08-06KLACAward / grant25,44052,620Form 4
2026-08-06KLACAward / grant24,98772,252Form 4
2026-08-05KLACAward / grant5,07027,180Form 4
2026-08-04KLACWithheld for tax7,52740,207Form 4
2026-08-04KLACWithheld for tax2,50947,734Form 4
2026-08-03KLACWithheld for tax1,78550,243Form 4
2026-08-01KLACWithheld for tax1,33952,029Form 4
2026-06-30KLACWithheld for tax10,26067,759Form 4
2025-08-07KLACWithheld for tax7675,214Form 4
2025-08-07KLACAward / grant3,5785,980Form 4
2025-08-07KLACAward / grant2,4657,679Form 4
2025-08-07KLACAward / grant1,1458,824Form 4
2025-08-05KLACWithheld for tax8234,940Form 4
2025-08-05KLACWithheld for tax3434,323Form 4
2025-08-05KLACWithheld for tax2744,666Form 4
2025-08-04KLACWithheld for tax2556,526Form 4
2025-08-03KLACWithheld for tax1826,782Form 4
2025-08-01KLACWithheld for tax1366,963Form 4
2025-06-30KLACWithheld for tax8788,420Form 4
2024-08-05KLACWithheld for tax71511,909Form 4
2024-08-05KLACWithheld for tax34312,624Form 4
2024-08-05KLACWithheld for tax27412,967Form 4
2024-08-04KLACWithheld for tax25513,241Form 4
2024-08-03KLACWithheld for tax18213,497Form 4
2024-08-01KLACAward / grant1,2727,636Form 4
2024-08-01KLACAward / grant2,19813,678Form 4
2024-08-01KLACAward / grant3,84511,480Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.