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 211-240 of 981
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider BIBAUD, SCOTT A.Director, CEO and President
Side Disposal
Shares 50000
Value 468500
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol FORMFormFactor Inc
Insider ST, DENNIS THOMASDirector
Side Disposal
Shares 2800
Value 424172
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider BIBAUD, SCOTT A.Director, CEO and President
Side Acquisition
Shares 50000
Value 350500
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Disposal
Shares 12500
Value 118000
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ACLSAxcelis Technologies Inc
Insider BLUMENSTOCK, GERALD MEVP, Research, Dev. & Eng.
Side Disposal
Shares 506
Value 96950
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Acquisition
Shares 12500
Value 87625
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider MEARS, ROBERT JChief Technology Officer
Side Disposal
Shares 8182
Value 77402
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider MEARS, ROBERT JChief Technology Officer
Side Acquisition
Shares 10000
Value 76500
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol COHUCohu Inc
Insider BOHRSON, CHRISTOPHERSr VP & Chief Customer Officer
Side Disposal
Shares 1000
Value 63880
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Disposal
Shares 6400
Value 60416
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Acquisition
Shares 6400
Value 36096
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Disposal
Shares 1500
Value 14160
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Acquisition
Shares 1500
Value 5850
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AMATApplied Materials Inc
Insider DEANE, TIMOTHY MSVP, Applied Global Services
Side Disposal
Shares 1545
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider BIBAUD, SCOTT A.Director, CEO and President
Side Disposal
Shares 50000
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Disposal
Shares 12500
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Disposal
Shares 6400
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider LAURENCIO, FRANCISCFO
Side Disposal
Shares 1500
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol ATOMAtomera Inc
Insider MEARS, ROBERT JChief Technology Officer
Side Disposal
Shares 10000
Value 0
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 8233
Value 3055843
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 7700
Value 2866171
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 5803
Value 2129759
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 5037
Value 1865050
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider WONG, NELSON MUNPUNSenior Vice President
Side Disposal
Shares 15000
Value 1705788
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 4198
Value 1549734
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 4030
Value 1483161
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 3828
Value 1374558
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol AXTIAXT Inc
Insider CHEN, JESSEDirector
Side Disposal
Shares 13000
Value 1245059
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 2708
Value 981379
Industry Semiconductor Equipment & Materials
Date 12 Jun 2026
Symbol LRCXLam Research Corp
Insider BRANDT, ERICDirector
Side Disposal
Shares 2345
Value 852009
Industry Semiconductor Equipment & Materials