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 271-300 of 981
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1756
Value 634004
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1653
Value 588914
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1517
Value 530631
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1455
Value 519522
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1461
Value 517311
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1481
Value 509405
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1331
Value 473171
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1277
Value 435048
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1172
Value 414325
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1083
Value 366725
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 1070
Value 365737
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 974
Value 328783
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 780
Value 280207
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 664
Value 239199
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 642
Value 233688
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider KONG, PETER T MDirector
Side Disposal
Shares 1551
Value 170610
Industry Semiconductor Equipment & Materials
Date 11 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 36
Value 12628
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol AXTIAXT Inc
Insider CHEN, JESSEDirector
Side Disposal
Shares 9000
Value 780580
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 4220
Value 513658
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 2500
Value 306575
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 1629
Value 200970
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 1399
Value 164662
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 975
Value 117975
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 767
Value 91273
Industry Semiconductor Equipment & Materials
Date 10 Jun 2026
Symbol FORMFormFactor Inc
Insider SLESSOR, MIKEDirector, CEO
Side Disposal
Shares 400
Value 47784
Industry Semiconductor Equipment & Materials
Date 9 Jun 2026
Symbol VECOVeeco Instruments Inc
Insider HUNTER, GORDONDirector
Side Disposal
Shares 16974
Value 1167811
Industry Semiconductor Equipment & Materials
Date 9 Jun 2026
Symbol VECOVeeco Instruments Inc
Insider DEVASAHAYAM, ADRIANSVP - PRODUCT LINE DEVELOPMENT
Side Disposal
Shares 10000
Value 650000
Industry Semiconductor Equipment & Materials
Date 9 Jun 2026
Symbol AXTIAXT Inc
Insider CHEN, JESSEDirector
Side Disposal
Shares 1500
Value 139950
Industry Semiconductor Equipment & Materials
Date 9 Jun 2026
Symbol ATOMAtomera Inc
Insider MEARS, ROBERT JChief Technology Officer
Side Disposal
Shares 10000
Value 87500
Industry Semiconductor Equipment & Materials
Date 9 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider FAUST, MEGANCFO
Side Disposal
Shares 1000
Value 70300
Industry Semiconductor Equipment & Materials