Insider at

04

Insider transactions

05
0 buys (P) 7 sells (S) Net: $-1,591,311 + 43 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

43 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 19, 2026 ICHR S 4,000 $64.21 $256,840 12,318 Direct -24.51% Disposed -2.0% (price as of 2026-10-02)
May 13, 2026 FORM S 4,009 $128.78 $516,279 13,489 Direct -22.91% Disposed 15.8% (price as of 2026-10-02)
May 13, 2026 ACLS S 2,000 $164.14 $328,280 4,477 Direct -30.88% Disposed -10.0% (price as of 2026-10-02)
Feb. 23, 2026 ICHR S 1,200 $50.11 $60,132 13,969 Direct -7.91% Disposed 25.6% (price as of 2026-10-02)
Feb. 20, 2026 ACLS S 1,000 $80.00 $80,000 6,477 Direct -13.37% Disposed 84.7% (price as of 2026-10-02)
Feb. 9, 2026 FORM S 2,000 $88.84 $177,680 17,498 Direct -10.26% Disposed 67.9% (price as of 2026-10-02)
Dec. 17, 2025 ACLS S 2,000 $86.05 $172,100 7,477 Direct -21.10% Disposed 71.7% (price as of 2026-10-02)
Feb. 7, 2025 ICHR S 3,000 $32.04 $96,120 9,832 Direct -23.38% Disposed 96.4% (price as of 2026-10-02)
Aug. 6, 2024 FORM S 6,770 $41.94 $283,934 12,970 Direct -34.30% Disposed 255.6% (price as of 2026-10-02)
Aug. 6, 2024 ACLS S 6,086 $109.98 $669,338 5,891 Direct -50.81% Disposed 34.4% (price as of 2026-10-02)
Sept. 7, 2023 ACLS S 6,881 $177.38 $1,220,552 10,315 Direct -40.02% Disposed -16.7% (price as of 2026-10-02)
Feb. 13, 2023 ACLS S 5,656 $123.19 $696,763 13,799 Direct -29.07% Disposed 20.0% (price as of 2026-10-02)
Feb. 13, 2023 ACLS S 2,800 $122.48 $342,944 19,455 Direct -12.58% Disposed 20.6% (price as of 2026-10-02)
Aug. 13, 2021 ACLS S 3,500 $42.86 $150,010 21,681 Direct -13.90% Disposed 244.8% (price as of 2026-10-02)
May 8, 2007 KLAC S 10,000 $56.25 $562,500 2,600 Direct -79.37% Disposed 3578.0% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 27, 2022 FORM Restricted Stock Units Common Stock (4,833) $0.00 · 4,833 Acquired
May 14, 2022 FORM Restricted Stock Units Common Stock (4,309) $0.00 · 4,309 Disposed
June 7, 2021 FORM Restricted Stock Units Common Stock (4,309) $0.00 · 4,309 Acquired
Feb. 20, 2008 FORM Non-Qualified Stock Option (right to buy) Common Stock (35,000) $19.36 Feb. 20, 2015 35,000 Acquired
Feb. 20, 2008 FORM Restricted Stock Units Common Stock (14,000) $0.00 · 14,000 Acquired
Nov. 12, 2007 FORM Non-Qualified Stock Option (right to buy) Common Stock (100,000) $38.46 Nov. 12, 2014 100,000 Acquired
Nov. 12, 2007 FORM Restricted Stock Units Common Stock (13,650) $0.00 · 13,650 Acquired
May 8, 2007 KLAC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $34.67 Jan. 28, 2013 10,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 12 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 13, 2022 ICHR Ordinary Shares, par value $0.0001 0 Direct
Aug. 15, 2019 ACLS Common Stock · Direct
Oct. 1, 2018 COHU Common Stock 15,751 Direct
Jan. 8, 2007 KLAC Common Stock 2,263 Direct
Jan. 5, 2007 KLAC Common Stock-Restricted Stock Units 37,600 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (35,000) 35,000 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (19,500) 19,500 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (1,200) 1,200 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (2,000) 2,000 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (17,000) 17,000 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (3,200) 3,200 Direct
Jan. 5, 2007 KLAC Non-Qualified Stock Option (right to buy)→ Common Stock (1,600) 1,600 Direct