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 181-210 of 981
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider IANNOTTI, THOMAS JDirector
Side Disposal
Shares 9250
Value 5547873
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 9186
Value 5432600
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 5933
Value 3533635
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 4782
Value 2828696
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 4726
Value 2805259
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 4682
Value 2778814
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 4535
Value 2697146
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 4457
Value 2662835
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 4028
Value 2398674
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 3675
Value 2192211
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 3515
Value 2075537
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 2426
Value 1452107
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 2412
Value 1428869
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 1125
Value 669206
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 837
Value 501656
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ROGERS, MARK NEVP & General Counsel
Side Disposal
Shares 5000
Value 431050
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ROGERS, MARK NEVP & General Counsel
Side Acquisition
Shares 5000
Value 37000
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol ACLSAxcelis Technologies Inc
Insider RYZHIK, DAVIDSVP Interim CFO
Side Disposal
Shares 76
Value 13440
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 17000
Value 0
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMATApplied Materials Inc
Insider IANNOTTI, THOMAS JDirector
Side Disposal
Shares 750
Value 0
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ROGERS, MARK NEVP & General Counsel
Side Disposal
Shares 5000
Value 0
Industry Semiconductor Equipment & Materials
Date 16 Jun 2026
Symbol FORMFormFactor Inc
Insider ST, DENNIS THOMASDirector
Side Disposal
Shares 740
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 11273
Value 6651408
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AMATApplied Materials Inc
Insider DEANE, TIMOTHY MSVP, Applied Global Services
Side Disposal
Shares 8621
Value 5092984
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 6938
Value 4094808
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AMATApplied Materials Inc
Insider NALAMASU, OMKARAMSenior Vice President, CTO
Side Disposal
Shares 3799
Value 2260937
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol TERTeradyne Inc
Insider SMITH, GREGORY STEPHENDirector, President and CEO
Side Disposal
Shares 4000
Value 1692120
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AXTIAXT Inc
Insider CHANG, DAVID CDirector
Side Disposal
Shares 8333
Value 926392
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol AXTIAXT Inc
Insider CHEN, JESSEDirector
Side Disposal
Shares 6172
Value 711284
Industry Semiconductor Equipment & Materials
Date 15 Jun 2026
Symbol TERTeradyne Inc
Insider MATZ, MARILYNDirector
Side Disposal
Shares 1200
Value 507636
Industry Semiconductor Equipment & Materials