Maryjo R Cohen

Insider

First SEC filing: Jan. 2, 2020 · Latest: Jan. 2, 2020

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 9 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 31, 2019	NPK	A	1,131	—	—	225,889 Direct	+0.50%	Acquired	(price as of 2026-08-21)
Dec. 31, 2018	NPK	A	855	—	—	224,758 Direct	+0.38%	Acquired	(price as of 2026-08-21)
Dec. 31, 2017	NPK	A	1,005	—	—	339,003 Direct	+0.30%	Acquired	(price as of 2026-08-21)
Feb. 16, 2017	NPK	A	939	—	—	337,998 Direct	+0.28%	Acquired	(price as of 2026-08-21)
Feb. 11, 2016	NPK	A	1,206	—	—	337,059 Direct	+0.36%	Acquired	(price as of 2026-08-21)
Feb. 11, 2014	NPK	A	993	—	—	334,475 Direct	+0.30%	Acquired	(price as of 2026-08-21)
Dec. 3, 2012	NPK	A	697	—	—	333,482 Direct	+0.21%	Acquired	(price as of 2026-08-21)
Feb. 7, 2012	NPK	A	534	—	—	332,785 Direct	+0.16%	Acquired	(price as of 2026-08-21)
Jan. 24, 2011	NPK	A	384	—	—	332,251 Direct	+0.12%	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Chair of the Board, CEO, President, PEO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	—	—	$98,166	—	—	—	—	—
2022	$630,001	—	—	—	—	—	$29,469	$784,410
2021	$629,232	—	—	—	—	—	$26,678	$755,904

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.