Lee John Tseng-Chung

Number of records: 50
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
10-May-24 4:06 PM
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Cognex Corp. (CGNX) 09-May-24Option Exercise 1,109----58%
1.91K to 3.02K
22-Feb-24 7:16 PM
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Cognex Corp. (CGNX) 21-Feb-24Option Exercise 1,166----158%
0.74K to 1.91K
16-Feb-24 2:58 PM
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MKS Instruments Inc. (MKSI) 15-Feb-24Payment of Exercise 30,231$122.15$3,692,720.00(21%)
142.67K to 112.44K
16-Feb-24 2:58 PM
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MKS Instruments Inc. (MKSI) 15-Feb-24Option Exercise 64,534----83%
78.14K to 142.67K
05-Dec-23 2:36 PM
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MKS Instruments Inc. (MKSI) 01-Dec-23Payment of Exercise 3,275$84.19$275,722.00(4%)
81.41K to 78.14K
05-Dec-23 2:36 PM
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MKS Instruments Inc. (MKSI) 01-Dec-23Option Exercise 3,275----4%
78.14K to 81.41K
11-May-23 4:01 PM
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Cognex Corp. (CGNX) 09-May-23Option Exercise 740----100%
0 to 0.74K
16-Feb-23 2:52 PM
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MKS Instruments Inc. (MKSI) 15-Feb-23Payment of Exercise 20,862$100.29$2,092,250.00(21%)
98.72K to 77.86K
16-Feb-23 2:52 PM
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MKS Instruments Inc. (MKSI) 15-Feb-23Option Exercise 47,030----91%
51.69K to 98.72K
16-Feb-22 4:33 PM
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MKS Instruments Inc. (MKSI) 15-Feb-22Payment of Exercise 13,839$152.55$2,111,140.00(21%)
65.36K to 51.52K
16-Feb-22 4:33 PM
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MKS Instruments Inc. (MKSI) 15-Feb-22Option Exercise 31,198----91%
34.16K to 65.36K
17-Feb-21 6:48 PM
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MKS Instruments Inc. (MKSI) 16-Feb-21Payment of Exercise 9,804$172.20$1,688,250.00(22%)
43.8K to 34.0K
(9%)
17-Feb-21 6:48 PM
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MKS Instruments Inc. (MKSI) 16-Feb-21Option Exercise 22,096----102%
21.71K to 43.8K
19-Feb-20 5:35 PM
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MKS Instruments Inc. (MKSI) 18-Feb-20Payment of Exercise 6,301$113.87$717,495.00(23%)
27.77K to 21.47K
(63%)
19-Feb-20 5:35 PM
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MKS Instruments Inc. (MKSI) 18-Feb-20Option Exercise 15,721----130%
12.05K to 27.77K
19-Feb-19 6:03 PM
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MKS Instruments Inc. (MKSI) 15-Feb-19Payment of Exercise 7,650$84.70$647,955.00(39%)
19.38K to 11.72K
(119%)
19-Feb-19 6:03 PM
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MKS Instruments Inc. (MKSI) 15-Feb-19Option Exercise 19,131----7846%
0.24K to 19.38K
21-Feb-18 2:00 PM
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MKS Instruments Inc. (MKSI) 20-Feb-18Market Sale 13,432$115.38$1,549,780.00(100%)
13.43K to 1
(60%)
16-Feb-18 5:56 PM
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MKS Instruments Inc. (MKSI) 15-Feb-18Payment of Exercise 8,245$111.10$916,020.00(38%)
21.68K to 13.43K
(66%)
16-Feb-18 5:56 PM
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MKS Instruments Inc. (MKSI) 15-Feb-18Option Exercise 21,525----14095%
0.15K to 21.68K
14-Nov-17 12:23 PM
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MKS Instruments Inc. (MKSI) 13-Nov-17Market Sale 2,113$104.01$219,784.00(100%)
2.11K to 1
(77%)
12-May-17 4:35 PM
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MKS Instruments Inc. (MKSI) 11-May-17Payment of Exercise 1,674$80.50$134,757.00(47%)
3.56K to 1.89K
(127%)
12-May-17 4:35 PM
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MKS Instruments Inc. (MKSI) 11-May-17Option Exercise 3,558----315981%
1 to 3.56K
23-Feb-17 1:06 PM
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MKS Instruments Inc. (MKSI) 22-Feb-17Market Sale 14,734$67.99$1,001,760.00(100%)
14.73K to 1
(170%)
16-Feb-17 5:03 PM
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MKS Instruments Inc. (MKSI) 15-Feb-17Payment of Exercise 6,449$67.70$436,597.00(30%)
21.18K to 14.73K
(171%)
16-Feb-17 5:03 PM
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MKS Instruments Inc. (MKSI) 15-Feb-17Option Exercise 16,083----315%
5.1K to 21.18K
14-Feb-17 7:21 PM
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MKS Instruments Inc. (MKSI) 10-Feb-17Payment of Exercise 2,377$66.95$159,140.00(32%)
7.48K to 5.1K
(174%)
14-Feb-17 7:21 PM
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MKS Instruments Inc. (MKSI) 10-Feb-17Option Exercise 7,175----2368%
0.3K to 7.48K
11-Aug-16 11:07 AM
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MKS Instruments Inc. (MKSI) 10-Aug-16Market Sale 9,955$46.36$461,524.00(100%)
9.96K to 0
(299%)
29-Feb-16 1:57 PM
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MKS Instruments Inc. (MKSI) 26-Feb-16Market Option Sale (Planned) 994$32.70$32,503.80(9%)
10.61K to 9.62K
(467%)
29-Feb-16 1:57 PM
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MKS Instruments Inc. (MKSI) 25-Feb-16Payment of Exercise 1,613$32.77$52,858.00(13%)
12.22K to 10.61K
(466%)
29-Feb-16 1:57 PM
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MKS Instruments Inc. (MKSI) 25-Feb-16Option Exercise 4,968----68%
7.26K to 12.22K
18-Feb-16 4:52 PM
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MKS Instruments Inc. (MKSI) 17-Feb-16Market Option Sale (Planned) 1,371$33.26$45,599.50(16%)
8.63K to 7.26K
(461%)
18-Feb-16 4:52 PM
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MKS Instruments Inc. (MKSI) 16-Feb-16Payment of Exercise 2,225$33.22$73,914.50(21%)
10.85K to 8.63K
(462%)
18-Feb-16 4:52 PM
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MKS Instruments Inc. (MKSI) 16-Feb-16Option Exercise 6,853----171%
4.0K to 10.85K
12-Feb-16 2:24 PM
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MKS Instruments Inc. (MKSI) 11-Feb-16Market Option Sale (Planned) 1,435$31.96$45,862.60(26%)
5.43K to 4.0K
(484%)
12-Feb-16 2:24 PM
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MKS Instruments Inc. (MKSI) 10-Feb-16Payment of Exercise 2,416$32.70$79,003.20(31%)
7.85K to 5.43K
(470%)
12-Feb-16 2:24 PM
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MKS Instruments Inc. (MKSI) 10-Feb-16Option Exercise 7,174----1061%
0.68K to 7.85K
02-Jun-15 11:11 AM
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MKS Instruments Inc. (MKSI) 29-May-15Grant 346$30.74$10,625.00110093%
0 to 0.35K
15-May-15 9:07 AM
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MKS Instruments Inc. (MKSI) 14-May-15Market Sale 10,747$36.36$390,750.00(100%)
10.75K to 1
(420%)
26-Feb-15 10:33 AM
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MKS Instruments Inc. (MKSI) 25-Feb-15Payment of Exercise 1,616$35.83$57,901.30(13%)
12.36K to 10.75K
(431%)
26-Feb-15 10:33 AM
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MKS Instruments Inc. (MKSI) 25-Feb-15Option Exercise 4,968----67%
7.39K to 12.36K
25-Feb-15 10:04 AM
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MKS Instruments Inc. (MKSI) 23-Feb-15Payment of Exercise 1,064$35.60$37,878.40(13%)
8.46K to 7.39K
(434%)
25-Feb-15 10:04 AM
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MKS Instruments Inc. (MKSI) 23-Feb-15Option Exercise 3,273----63%
5.19K to 8.46K
11-Feb-15 5:22 PM
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MKS Instruments Inc. (MKSI) 10-Feb-15Payment of Exercise 2,417$35.86$86,673.60(32%)
7.6K to 5.19K
(430%)
11-Feb-15 5:22 PM
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MKS Instruments Inc. (MKSI) 10-Feb-15Option Exercise 7,173----1664%
0.43K to 7.6K
02-Dec-14 8:25 AM
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MKS Instruments Inc. (MKSI) 28-Nov-14Grant 431$24.33$10,481.60314514%
0 to 0.43K
16-Jun-14 10:28 AM
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MKS Instruments Inc. (MKSI) 13-Jun-14Market Sale 9,128$29.55$269,696.00(100%)
9.13K to 0
(550%)
04-Jun-14 9:51 AM
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MKS Instruments Inc. (MKSI) 30-May-14Grant 433$24.52$10,625.005%
8.69K to 9.13K
03-Mar-14 1:22 PM
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MKS Instruments Inc. (MKSI) 28-Feb-14Payment of Exercise 1,050$30.06$31,563.00(11%)
9.74K to 8.7K
(542%)