SEC Form 4 · accession 0001167691-26-000004

· NVEC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — President & CEO · Director

Period of report

Jul 27, 2026

Accepted (ET)

Jul 29, 2026 · 7:18 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0000724910

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Jul 27, 2026	M	1,344	$117.55	A	61,272	D
Common Stock	Jul 27, 2026	M	853	$117.55	A	62,125	D
Common Stock	Jul 27, 2026	M	1,496	$117.55	A	63,621	D
Common Stock	Jul 27, 2026	M	864	$117.55	A	64,485	D
Common Stock	Jul 27, 2026	M	757	$117.55	A	65,242	D
Common Stock	Jul 27, 2026	M	1,061	$117.55	A	66,303	D
Common Stock	Jul 27, 2026	S	1,518	$117.56	D	64,785	D
Common Stock	Jul 28, 2026	S	3,260	$117.57	D	61,525	D
Common Stock	Jul 29, 2026	S	15,222	$114.08	D	46,303	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Incentive Stock Option^F1,F2	$54.34	Jul 27, 2026	M	2,500	D	May 5, 2021	May 5, 2030	Common Stock	2,500	15,000	D
Incentive Stock Option^F1,F2	$77.45	Jul 27, 2026	M	2,500	D	May 5, 2022	May 5, 2031	Common Stock	2,500	12,500	D
Incentive Stock Option^F1,F2	$47.20	Jul 27, 2026	M	2,500	D	May 1, 2023	May 1, 2032	Common Stock	2,500	10,000	D
Incentive Stock Option^F1,F2	$76.93	Jul 27, 2026	M	2,500	D	Apr 30, 2024	Apr 30, 2033	Common Stock	2,500	7,500	D
Incentive Stock Option^F1,F2	$81.96	Jul 27, 2026	M	2,500	D	Apr 28, 2025	Apr 28, 2034	Common Stock	2,500	5,000	D
Incentive Stock Option^F1,F2	$67.64	Jul 27, 2026	M	2,500	D	May 8, 2026	May 8, 2035	Common Stock	2,500	2,500	D

F1All transactions in this table were cashless net option exercises.
F2All incentive stock options on this form would expire three months after employee's retirement.