Industry Insider Activity

Semiconductor Equipment & Materials insider activity

Concentrated executive and director transaction evidence across 22 companies, with acquisition/disposal balance, filing cadence, value concentration, and linked company research.

Latest filing 21 Jul 2026 981 filings tracked

Top-level read

Net insider selling

Semiconductor Equipment & Materials shows 285 acquisition filings against 696 disposal filings. The largest stored filing is $35.2M in AMAT by DICKERSON, GARY E.

Net value $-515.8Macquisitions minus disposals
Companies 22with stored filings
Total filings 981stored transaction rows
Acquisition value $22.3M285 acquisitions
Disposal value $538.1M696 disposals
Largest filing $35.2Mreported transaction value

Filing cadence

Last 12 active months
Mar 2026 30
Apr 2026 169
May 2026 320
Jun 2026 357
Jul 2026 103

Acquisitions 29.1% · Disposals 70.9%

Company Reads

Most active company insider tapes

22 shown

Transaction Evidence

Latest filings in Semiconductor Equipment & Materials

Showing 91-120 of 981
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider OLIPHANT, LAURADirector
Side Acquisition
Shares 1658
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider POSEDEL, RHEA JDirector
Side Acquisition
Shares 1895
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider RICHMOND, DONALD P. IICTO
Side Acquisition
Shares 6165
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider RICHMOND, DONALD P. IICTO
Side Acquisition
Shares 2369
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Acquisition
Shares 6165
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Acquisition
Shares 2393
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SALAMONE, ALBERTOEVP, PPBI BUSINESS
Side Acquisition
Shares 4048
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SALAMONE, ALBERTOEVP, PPBI BUSINESS
Side Acquisition
Shares 1978
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SCOTT, GEOFFREY GATESDirector
Side Acquisition
Shares 1658
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SIU, CHRISCFO
Side Acquisition
Shares 6165
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SIU, CHRISCFO
Side Acquisition
Shares 6079
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SLAYEN, HOWARD TDirector
Side Acquisition
Shares 1658
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SPORCK, ALISTAIR NVP Contactor Business Unit
Side Acquisition
Shares 6165
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider SPORCK, ALISTAIR NVP Contactor Business Unit
Side Acquisition
Shares 2369
Value 0
Industry Semiconductor Equipment & Materials
Date 1 Jul 2026
Symbol AEHRAehr Test Systems
Insider WIMMERS, DIDIERExecutive VP of R&D
Side Acquisition
Shares 2369
Value 0
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 19970
Value 14682343
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider WALLACE, RICHARD PPresident and CEO
Side Disposal
Shares 45850
Value 12764305
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider HIGGINS, BREN D.EVP & Chief Financial Officer
Side Disposal
Shares 30567
Value 8509537
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider KHAN, AHMAD A.President, Semi. Prod. & Cust.
Side Disposal
Shares 30567
Value 8509537
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider LORIG, BRIANEVP, KLA Global Services
Side Disposal
Shares 12222
Value 3402598
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider WILKINSON, MARY BETHEVP, CLO and Secretary
Side Disposal
Shares 10260
Value 2856216
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ENGEL, KEVIN K.Director, President and CEO
Side Disposal
Shares 3725
Value 321207
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider FAUST, MEGANCFO
Side Disposal
Shares 3725
Value 321207
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 30
Value 22082
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider HIGGINS, BREN D.EVP & Chief Financial Officer
Side Acquisition
Shares 196
Value 21250
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider KHAN, AHMAD A.President, Semi. Prod. & Cust.
Side Acquisition
Shares 196
Value 21250
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider KIRLOSKAR, VIRENDRA ASVP & Chief Accounting Officer
Side Acquisition
Shares 196
Value 21250
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider LORIG, BRIANEVP, KLA Global Services
Side Acquisition
Shares 196
Value 21250
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol KLACKLA Corporation
Insider WALLACE, RICHARD PPresident and CEO
Side Acquisition
Shares 196
Value 21250
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ENGEL, KEVIN K.Director, President and CEO
Side Acquisition
Shares 8692
Value 0
Industry Semiconductor Equipment & Materials