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 121-150 of 981
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ENGEL, KEVIN K.Director, President and CEO
Side Disposal
Shares 8692
Value 0
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider FAUST, MEGANCFO
Side Disposal
Shares 8692
Value 0
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider FAUST, MEGANCFO
Side Acquisition
Shares 8692
Value 0
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider RUTTEN, GUILLAUME MARIE JEANDirector
Side Acquisition
Shares 8692
Value 0
Industry Semiconductor Equipment & Materials
Date 30 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider RUTTEN, GUILLAUME MARIE JEANDirector
Side Disposal
Shares 8692
Value 0
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 50332
Value 35242970
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol AMATApplied Materials Inc
Insider DICKERSON, GARY EDirector, President and CEO
Side Disposal
Shares 7989
Value 5602925
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 17735
Value 1810566
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 16406
Value 1711638
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 13304
Value 1371376
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 11325
Value 1204980
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 2684
Value 282813
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 2405
Value 243410
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider IP, FIBRE DEVICES LTD10% Owner
Side Disposal
Shares 1841
Value 184450
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider LOPRESTI, ANGELO PSVP, Secretary & Gen Counsel, 10% Owner
Side Disposal
Shares 1000
Value 110330
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider SCHERBAKOV, EUGENE ADirector, 10% Owner
Side Disposal
Shares 973
Value 97718
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider SCHERBAKOV, EUGENE ADirector, 10% Owner
Side Disposal
Shares 250
Value 25310
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider SCHERBAKOV, EUGENE ADirector, 10% Owner
Side Disposal
Shares 200
Value 21332
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider SCHERBAKOV, EUGENE ADirector, 10% Owner
Side Disposal
Shares 100
Value 10292
Industry Semiconductor Equipment & Materials
Date 29 Jun 2026
Symbol IPGPIPG Photonics Corporation
Insider SCHERBAKOV, EUGENE ADirector, 10% Owner
Side Disposal
Shares 1
Value 105
Industry Semiconductor Equipment & Materials
Date 26 Jun 2026
Symbol AMBAAmbarella Inc
Insider PAISLEY, CHRISTOPHER BDirector
Side Disposal
Shares 250
Value 15503
Industry Semiconductor Equipment & Materials
Date 26 Jun 2026
Symbol COHUCohu Inc
Insider CAGGIA, ANDREW MDirector
Side Acquisition
Shares 294
Value 0
Industry Semiconductor Equipment & Materials
Date 26 Jun 2026
Symbol UCTTUltra Clean Holdings Inc
Insider HARDING, BRIAN EChief Accounting Officer
Side Acquisition
Shares 9363
Value 0
Industry Semiconductor Equipment & Materials
Date 25 Jun 2026
Symbol TERTeradyne Inc
Insider HENRY, ANDREW CHISHOLMDirector
Side Acquisition
Shares 52
Value 0
Industry Semiconductor Equipment & Materials
Date 25 Jun 2026
Symbol TERTeradyne Inc
Insider HERWECK, PETERDirector
Side Acquisition
Shares 63
Value 0
Industry Semiconductor Equipment & Materials
Date 25 Jun 2026
Symbol TERTeradyne Inc
Insider TUFANO, PAUL JDirector
Side Acquisition
Shares 116
Value 0
Industry Semiconductor Equipment & Materials
Date 23 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ALEXANDER, DOUGLAS ADirector
Side Acquisition
Shares 9
Value 0
Industry Semiconductor Equipment & Materials
Date 23 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ALEXANDER, DOUGLAS ADirector
Side Acquisition
Shares 8
Value 0
Industry Semiconductor Equipment & Materials
Date 23 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ALEXANDER, DOUGLAS ADirector
Side Acquisition
Shares 3
Value 0
Industry Semiconductor Equipment & Materials
Date 23 Jun 2026
Symbol AMKRAmkor Technology Inc
Insider ALEXANDER, DOUGLAS ADirector
Side Acquisition
Shares 8
Value 0
Industry Semiconductor Equipment & Materials