Penny Ann Wheeler

Insider

First SEC filing: June 25, 2026 · Latest: June 25, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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
June 23, 2026	NRC	A	7,697	—	—	7,697 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 17, 2025	NRC	A	22,625	—	—	22,625 Direct	—	Acquired	(price as of 2026-08-21)
May 7, 2025	NRC	A	34,917	—	—	34,917 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2024	NRC	A	10,906	—	—	10,906 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2023	NRC	A	7,386	—	—	7,386 Direct	—	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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Oct. 17, 2025	NRC	Director Stock Option (Right to Buy) [F1]	Common Stock (22,625)	$11.61	Oct. 17, 2035	22,625	Acquired
May 7, 2025	NRC	Director Stock Option (Right to Buy)	Common Stock (34,917)	$13.09	May 7, 2035	34,917	Acquired
May 8, 2024	NRC	Director Stock Option (Right to Buy)	Common Stock (10,906)	$29.76	May 8, 2034	10,906	Acquired
May 11, 2023	NRC	Director Stock Option (Right to Buy)	Common Stock (7,386)	$43.15	May 11, 2033	7,386	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).