JOHN C MINGE

CIK 1724571 · last filed 2026-05-21

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$0

Companies

1

Total Filings

16

Lifetime Open-Market Net

$181.8K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
NPK International Inc. (NR) Delisted Director 253,942 $7.25 $1.84M $181.8K 16 2026-05-21

Recent Filings · Page 2 of 2

16 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2022-05-20 NPK International Inc. (NR) Delisted Grant (A) +36,496 $0 EDGAR
2021-05-21 NPK International Inc. (NR) Delisted Grant (A) +34,299 $0 EDGAR
2020-05-22 NPK International Inc. (NR) Delisted Grant (A) +30,562 $0 EDGAR
2019-05-28 NPK International Inc. (NR) Delisted Grant (A) +20,435 $0 EDGAR
2018-11-20 NPK International Inc. (NR) Delisted Buy (P) +1,300 $10.0K EDGAR
2018-05-21 NPK International Inc. (NR) Delisted Grant (A) +13,953 $0 EDGAR
Showing 1116 of 16
Page 2 of 2
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.