John Tseng-Chung Lee

Insider Reports History

Location
Andover, MA
Signature
/s/ M. Kathryn Rickards, attorney-in-fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by John Tseng-Chung Lee:

Company Role Class Num Shares Value Price $ Report Date Ownership
MKS INC President & CEO, Director Common Stock 147,270 $21,164,103 $143.71 31 Oct 2025 Direct
MKS INC President & CEO, Director Restricted Stock Unit 88,153 $9,423,787 $104.53 31 Oct 2025 Direct
COGNEX CORP Director Common Stock 13,583 $318,521 $23.45 09 May 2025 Direct
COGNEX CORP Director Restricted Stock Unit 0 $0 $23.45 09 May 2025 Direct

Insider Reports Filed by John Tseng-Chung Lee

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MKSI MKS INC 31 Oct 2025 5 -$287,851 4 President & CEO, Director 04 Nov 2025, 16:58
CGNX COGNEX CORP 09 May 2025 2 $0 4 Director 12 May 2025, 16:00
CGNX COGNEX CORP 20 Feb 2025 4 $0 4 Director 24 Feb 2025, 16:32
CGNX COGNEX CORP 18 Feb 2025 1 $0 4 Director 20 Feb 2025, 17:32
MKSI MKS INSTRUMENTS INC 18 Feb 2025 14 -$2,833,508 4 President & CEO, Director 19 Feb 2025, 18:21
MKSI MKS INSTRUMENTS INC 10 Feb 2025 1 $0 4 President & CEO, Director 11 Feb 2025, 17:55
MKSI MKS INSTRUMENTS INC 06 Dec 2024 5 -$343,112 4 President & CEO, Director 10 Dec 2024, 15:06
CGNX COGNEX CORP 09 May 2024 2 $0 4 Director 10 May 2024, 16:06
CGNX COGNEX CORP 20 Feb 2024 3 $0 4 Director 22 Feb 2024, 19:16
MKSI MKS INSTRUMENTS INC 15 Feb 2024 14 -$3,692,717 4 President & CEO, Director 16 Feb 2024, 14:58
MKSI MKS INSTRUMENTS INC 05 Feb 2024 1 $0 4 President & CEO, Director 06 Feb 2024, 14:39
MKSI MKS INSTRUMENTS INC 01 Dec 2023 11 -$275,722 4 President & CEO, Director 05 Dec 2023, 14:36
CGNX COGNEX CORP 09 May 2023 2 $0 4 Director 11 May 2023, 16:01
CGNX COGNEX CORP 21 Feb 2023 1 $0 4 Director 23 Feb 2023, 15:27
MKSI MKS INSTRUMENTS INC 15 Feb 2023 14 -$2,092,250 4 President & CEO, Director 16 Feb 2023, 13:52
MKSI MKS INSTRUMENTS INC 08 Feb 2023 1 $0 4 President & CEO, Director 09 Feb 2023, 14:30
CGNX COGNEX CORP 09 May 2022 1 $0 4 Director 10 May 2022, 13:52
CGNX COGNEX CORP 04 May 2022 0 $0 3 Director 10 May 2022, 13:49
MKSI MKS INSTRUMENTS INC 29 Apr 2022 1 $0 4 President & CEO, Director 02 May 2022, 16:14
MKSI MKS INSTRUMENTS INC 15 Feb 2022 13 -$2,111,139 4 President & CEO, Director 16 Feb 2022, 15:33
MKSI MKS INSTRUMENTS INC 21 Jan 2022 1 $0 4 President & CEO, Director 24 Jan 2022, 15:27