John Tseng-Chung Lee

Insider Reports History

Location
Andover, MA
Signature
John Tseng-Chung Lee
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 154,696 $40,175,074 $259.70 20 Feb 2026 Direct
MKS INC President & CEO, Director Restricted Stock Unit 84,828 $9,423,787 $104.53 17 Feb 2026 Direct
COGNEX CORP Director Common Stock 24,820 $977,163 $39.37 21 Feb 2026 Direct
COGNEX CORP Director Restricted Stock Unit 0 $0 $39.37 21 Feb 2026 Direct

Insider Reports Filed by John Tseng-Chung Lee

Symbol Company Period Transactions Value $ Form Type Role Filing Time
CGNX COGNEX CORP 21 Feb 2026 2 $0 4 Director 24 Feb 2026, 16:52
MKSI MKS INC 20 Feb 2026 4 -$7,703,242 4 President & CEO, Director 23 Feb 2026, 14:25
CGNX COGNEX CORP 17 Feb 2026 3 $0 4 Director 19 Feb 2026, 16:42
MKSI MKS INC 17 Feb 2026 14 -$8,486,646 4 President & CEO, Director 18 Feb 2026, 16:52
MKSI MKS INC 08 Feb 2026 1 $0 4 President & CEO, Director 09 Feb 2026, 13:51
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