Lee John Tseng-Chung

Track

Insider profile

Performance

Overall performance
1.4
Performance over holding periods
1.4
30 days 90 days 120 days
Average return 8% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
4 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Lee John Tseng-Chung's trades of MKS Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
US MKS Inc (MKSI)
Transaction date
Planned sale
Price
391.21
Quantity 59,608 -49.7%
Value US$3,843,299
US MKS Inc (MKSI)
Transaction date
Proposed sale
Price
82.76
Quantity 85,274
Value US$3,889,698
US MKS Inc (MKSI)
Transaction date
Planned sale
Price
295.99
Quantity 50,245 -22.9%
Value US$1,417,110
US MKS Inc (MKSI)
Transaction date
Proposed sale
Price
315.48
Quantity 10,000
Value US$3,154,800
US MKS Inc (MKSI)
Transaction date
Sale
Price
259.70
Quantity 1,890 -1.2%
Value US$490,839
US MKS Inc (MKSI)
Transaction date
Sale
Price
257.81
Quantity 1,988 -1.3%
Value US$512,523
US MKS Inc (MKSI)
Transaction date
Sale
Price
256.93
Quantity 12,812 -7.5%
Value US$3,291,804
US MKS Inc (MKSI)
Transaction date
Sale
Price
256.05
Quantity 13,310 -7.2%
Value US$3,408,076
US MKS Inc (MKSI)
Transaction date
Proposed sale
Price
247.55
Quantity 30,000
Value US$7,426,500
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-17 2026-08-14
US MKS Inc (MKSI)
PlS Planned sale
59,608 -49.7%
391.21
US$3,843,299 		59,608 -49.7% 391.21 US$3,843,299
2026-08-14 2026-08-14
US MKS Inc (MKSI)
PrS Proposed sale
85,274
82.76
US$3,889,698 		85,274 82.76 US$3,889,698
2026-05-26 2026-05-22
US MKS Inc (MKSI)
PlS Planned sale
50,245 -22.9%
295.99
US$1,417,110 		50,245 -22.9% 295.99 US$1,417,110
2026-05-22 2026-05-22
US MKS Inc (MKSI)
PrS Proposed sale
10,000
315.48
US$3,154,800 		10,000 315.48 US$3,154,800
2026-02-23 2026-02-20
US MKS Inc (MKSI)
S Sale
1,890 -1.2%
259.70
US$490,839 		1,890 -1.2% 259.70 US$490,839
2026-02-23 2026-02-20
US MKS Inc (MKSI)
S Sale
1,988 -1.3%
257.81
US$512,523 		1,988 -1.3% 257.81 US$512,523
2026-02-23 2026-02-20
US MKS Inc (MKSI)
S Sale
12,812 -7.5%
256.93
US$3,291,804 		12,812 -7.5% 256.93 US$3,291,804
2026-02-23 2026-02-20
US MKS Inc (MKSI)
S Sale
13,310 -7.2%
256.05
US$3,408,076 		13,310 -7.2% 256.05 US$3,408,076
2026-02-20 2026-02-20
US MKS Inc (MKSI)
PrS Proposed sale
30,000
247.55
US$7,426,500 		30,000 247.55 US$7,426,500