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Gregg Piontek

Insider profile

Currently holds a position at NPK International Inc

Performance

Overall performance
4.1

Performance over holding periods
4.1
30 days 90 days 120 days
Average return 62% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
5 100% Buy
34 71% Buy
47 69% Buy

Positions

Position Company Period
Chief Financial Officer, Senior Vice President NPK International Inc Dec. 31, 2018 -
Chief Financial Officer, Senior Vice President NPK International Inc Feb. 1, 2018 - Dec. 31, 2018
Chief Financial Officer, Vice President NPK International Inc Jan. 1, 2017 - Feb. 1, 2018
Chief Financial Officer, Vice President NPK International Inc May 22, 2014 - Jan. 1, 2017
Chief Financial Officer, Vice President, Chief Accounting Officer NPK International Inc Nov. 1, 2011 - May 22, 2014

Gregg Piontek's trades of NPK International Inc's stock


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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
2026-04-10 2026-04-09 PlS Planned sale
81,133 +8.0%
242.80
US$3,106,534
81,133 +8.0% 242.80 US$3,106,534
2026-04-03 2026-04-01 PlS Planned sale
30,444 -7.3%
255.67
US$527,223
30,444 -7.3% 255.67 US$527,223
2026-03-26 2026-03-25 PlS Planned sale
91,016 +47.6%
135.74
US$4,926,730
91,016 +47.6% 135.74 US$4,926,730
2026-03-05 2026-03-04 PlS Planned sale
35,000 -3.8%
14.02
US$490,592
35,000 -3.8% 14.02 US$490,592
2026-03-05 2026-03-04 PlS Planned sale
73,590 -7.4%
14.10
US$1,037,464
73,590 -7.4% 14.10 US$1,037,464
2026-03-04 2026-03-04 PrS Proposed sale
173,590
13.69
US$2,376,447
173,590 13.69 US$2,376,447
2022-08-09 2022-08-05 B Purchase
10,000 +18.2%
2.55
US$25,487
10,000 +18.2% 2.55 US$25,487
2020-11-12 2020-11-11 B Purchase
15,000 +37.5%
1.08
US$16,200
15,000 +37.5% 1.08 US$16,200
2020-05-12 2020-05-12 B Purchase
15,000 +60.0%
1.64
US$24,600
15,000 +60.0% 1.64 US$24,600
2020-05-12 2020-05-11 B Purchase
5,000 +25.0%
1.58
US$7,900
5,000 +25.0% 1.58 US$7,900
2020-05-12 2020-05-08 B Purchase
20,000 +inf%
1.47
US$29,400
20,000 +inf% 1.47 US$29,400