Lewis Michael A

Track

Insider profile

Performance

Overall performance
1.8
Performance over holding periods
1.8
30 days 90 days 120 days
Average return -2% 8.2% 15.1%
Success rate 21% 68% 82%
Transactions
2 50% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Lewis Michael A's trades of NPK International Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-19 2026-05-15
PlS Planned sale
51,462 -10.4%
205.60
US$2,664,337 		51,462 -10.4% 205.60 US$2,664,337
2026-05-15 2026-05-15
PrS Proposed sale
31,660
191.47
US$2,502,804 		31,660 191.47 US$2,502,804
2026-02-25 2026-02-23
PlS Planned sale
42,442 +29.6%
477.48
US$760,099 		42,442 +29.6% 477.48 US$760,099
2025-11-25 2025-11-24
PlS Planned sale
2,013 -1.5%
12.00
US$24,156 		2,013 -1.5% 12.00 US$24,156
2025-11-24 2025-11-24
PrS Proposed sale
4,026
11.52
US$46,380 		4,026 11.52 US$46,380
2025-08-26 2025-08-25
PlS Planned sale
2,013 -1.5%
10.33
US$20,797 		2,013 -1.5% 10.33 US$20,797
2025-07-22 2025-07-21
S Sale
1,937 -12.5%
40.10
US$77,674 		1,937 -12.5% 40.10 US$77,674
2025-07-21 2025-07-21
PrS Proposed sale
1,937
40.10
US$77,674 		1,937 40.10 US$77,674
2025-06-17 2025-06-16
PlS Planned sale
2,013 -1.4%
8.60
US$17,315 		2,013 -1.4% 8.60 US$17,315
2025-06-16 2025-06-16
PrS Proposed sale
4,026
8.39
US$33,778 		4,026 8.39 US$33,778
2022-12-12 2022-12-09
B Purchase
5,251 +7.4%
3.98
US$20,899 		5,251 +7.4% 3.98 US$20,899