Joann M Martin

Insider

First SEC filing: March 23, 2020 · Latest: Feb. 11, 2021

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

NRC buying Aug. 20, 2004

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 60 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

60 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 17, 2018	NRC	D	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2018	NRC	D	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2018	NRC	D	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2018	NRC	D	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2018	NRC	D	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2018	NRC	D	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2018	NRC	A	11,446	—	—	218,455 Direct	+5.53%	Acquired	(price as of 2026-08-21)
April 17, 2018	NRC	A	31,733	—	—	207,009 Direct	+18.10%	Acquired	(price as of 2026-08-21)
April 17, 2018	NRC	D	31,733	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 9, 2017	NRC	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 9, 2017	NRC	A	36,000	—	—	36,000 Direct	—	Acquired	(price as of 2026-08-21)
April 26, 2017	NRC	M	13,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 26, 2017	NRC	F	4,772	$24.55	$117,153	175,276 Direct	-2.65%	Disposed	-10.8% (price as of 2026-08-21)
April 26, 2017	NRC	M	13,800	$8.49	$117,162	180,048 Direct	+8.30%	Acquired	157.8% (price as of 2026-08-21)
May 12, 2016	NRC	M	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 12, 2016	NRC	M	2,300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 12, 2016	NRC	F	4,275	$37.78	$161,510	31,733 Direct	-11.87%	Disposed	-42.1% (price as of 2026-08-21)
May 12, 2016	NRC	M	6,000	$19.98	$119,880	36,008 Direct	+19.99%	Acquired	9.6% (price as of 2026-08-21)
May 12, 2016	NRC	M	2,300	$18.11	$41,653	30,008 Direct	+8.30%	Acquired	20.9% (price as of 2026-08-21)
May 11, 2016	NRC	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2016	NRC	A	36,000	—	—	36,000 Direct	—	Acquired	(price as of 2026-08-21)
May 7, 2015	NRC	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 7, 2015	NRC	A	36,000	—	—	36,000 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2014	NRC	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2014	NRC	A	36,000	—	—	36,000 Direct	—	Acquired	(price as of 2026-08-21)
May 9, 2013	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 3, 2012	NRC	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 3, 2012	NRC	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 3, 2012	NRC	M	7,400	—	—	4,600 Direct	-61.67%	Disposed	(price as of 2026-08-21)
Dec. 3, 2012	NRC	F	16,115	$53.78	$866,665	55,416 Direct	-22.53%	Disposed	-59.3% (price as of 2026-08-21)
Dec. 3, 2012	NRC	M	12,000	$26.58	$318,960	71,531 Direct	+20.16%	Acquired	-17.6% (price as of 2026-08-21)
Dec. 3, 2012	NRC	M	12,000	$27.23	$326,760	59,531 Direct	+25.25%	Acquired	-19.6% (price as of 2026-08-21)
Dec. 3, 2012	NRC	M	7,400	$29.87	$221,038	47,531 Direct	+18.44%	Acquired	-26.7% (price as of 2026-08-21)
July 13, 2012	NRC	M	12,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
July 13, 2012	NRC	F	5,803	$51.80	$300,595	40,131 Direct	-12.63%	Disposed	-57.7% (price as of 2026-08-21)
July 13, 2012	NRC	M	12,000	$25.05	$300,600	45,934 Direct	+35.36%	Acquired	-12.6% (price as of 2026-08-21)
May 11, 2012	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2012	NRC	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 17, 2012	NRC	F	6,566	$41.32	$271,307	33,934 Direct	-16.21%	Disposed	-47.0% (price as of 2026-08-21)
Feb. 17, 2012	NRC	M	12,000	$22.61	$271,320	40,500 Direct	+42.11%	Acquired	-3.2% (price as of 2026-08-21)
Aug. 19, 2011	NRC	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 19, 2011	NRC	M	12,000	$14.20	$170,400	16,500 Direct	+266.67%	Acquired	54.2% (price as of 2026-08-21)
May 19, 2011	NRC	M	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 19, 2011	NRC	M	11,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 19, 2011	NRC	M	1,000	$16.94	$16,940	28,500 Direct	+3.64%	Acquired	29.2% (price as of 2026-08-21)
May 19, 2011	NRC	M	11,000	$16.05	$176,550	27,500 Direct	+66.67%	Acquired	36.4% (price as of 2026-08-21)
May 6, 2011	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 7, 2010	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 23, 2009	NRC	M	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 23, 2009	NRC	M	1,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 23, 2009	NRC	M	1,000	$7.60	$7,600	4,500 Direct	+28.57%	Acquired	188.0% (price as of 2026-08-21)
Nov. 23, 2009	NRC	M	1,000	$9.60	$9,600	3,500 Direct	+40.00%	Acquired	128.0% (price as of 2026-08-21)
May 8, 2009	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2008	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 3, 2007	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2006	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 5, 2005	NRC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 5, 2005	NRC	A	11,000	—	—	11,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 20, 2004	NRC	P	1,000	$16.00	$16,000	2,500 Direct	+66.67%	Acquired	36.8% (price as of 2026-08-21)
May 6, 2004	NRC	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-21)
May 1, 2003	NRC	A	1,000	—	—	1,000 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.

Derivative holdings (Form 4 Table II)

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
April 17, 2018	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$44.47	May 9, 2027	6,000	Disposed
April 17, 2018	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$37.78	May 11, 2026	6,000	Disposed
April 17, 2018	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$34.50	May 7, 2025	6,000	Disposed
April 17, 2018	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$43.91	May 8, 2024	6,000	Disposed
April 17, 2018	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$30.72	May 9, 2023	6,000	Disposed
April 17, 2018	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$26.10	May 11, 2022	6,000	Disposed
May 9, 2017	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$44.47	May 9, 2027	6,000	Acquired
May 9, 2017	NRC	Director Stock Option (Right to Buy)	Class A Common Stock (36,000)	$24.35	May 9, 2027	36,000	Acquired
April 26, 2017	NRC	Director Stock Option (Right to Buy)	Class A Common Stock (13,800)	$8.49	May 2, 2018	13,800	Disposed
May 12, 2016	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$19.98	May 6, 2021	6,000	Disposed
May 12, 2016	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (2,300)	$18.11	May 2, 2018	2,300	Disposed
May 11, 2016	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$37.78	May 11, 2026	6,000	Acquired
May 11, 2016	NRC	Director Stock Option (Right to Buy)	Class A Common Stock (36,000)	$14.19	May 11, 2026	36,000	Acquired
May 7, 2015	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$34.50	May 7, 2025	6,000	Acquired
May 7, 2015	NRC	Director Stock Option (Right to Buy)	Class A Common Stock (36,000)	$14.21	May 7, 2025	36,000	Acquired
May 8, 2014	NRC	Director Stock Option (Right to Buy)	Class B Common Stock (6,000)	$43.91	May 8, 2024	6,000	Acquired
May 8, 2014	NRC	Director Stock Option (Right to Buy)	Class A Common Stock (36,000)	$14.95	May 8, 2024	36,000	Acquired
May 9, 2013	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$61.38	May 9, 2023	12,000	Acquired
Dec. 3, 2012	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$26.58	May 7, 2020	12,000	Disposed
Dec. 3, 2012	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$27.23	May 8, 2019	12,000	Disposed
Dec. 3, 2012	NRC	Director Stock Option (Right to Buy)	Common Stock (7,400)	$29.87	May 2, 2018	7,400	Disposed
July 13, 2012	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$25.05	May 3, 2017	12,000	Acquired
May 11, 2012	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$49.84	May 11, 2022	12,000	Acquired
Feb. 17, 2012	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$22.61	May 4, 2016	12,000	Disposed
Aug. 19, 2011	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$14.20	May 5, 2015	12,000	Disposed
May 19, 2011	NRC	Director Stock Option (Right to Buy)	Common Stock (1,000)	$16.94	May 6, 2014	1,000	Disposed
May 19, 2011	NRC	Director Stock Option (Right to Buy)	Common Stock (11,000)	$16.05	May 21, 2014	11,000	Disposed
May 6, 2011	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$34.55	May 6, 2021	12,000	Acquired
May 7, 2010	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$26.58	May 7, 2020	12,000	Acquired
Nov. 23, 2009	NRC	Director Stock Option (Right to Buy)	Common Stock (1,000)	$9.60	May 1, 2013	1,000	Disposed
Nov. 23, 2009	NRC	Director Stock Option (Right to Buy)	Common Stock (1,000)	$7.60	May 1, 2012	1,000	Disposed
May 8, 2009	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$27.23	May 8, 2019	12,000	Acquired
May 2, 2008	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$29.87	May 2, 2018	12,000	Acquired
May 3, 2007	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$25.05	May 3, 2017	12,000	Acquired
May 4, 2006	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$22.61	May 4, 2016	12,000	Acquired
May 5, 2005	NRC	Director Stock Option (Right to Buy)	Common Stock (12,000)	$14.20	May 5, 2015	12,000	Acquired
May 5, 2005	NRC	Director Stock Option (Right to Buy)	Common Stock (11,000)	$16.05	May 21, 2014	11,000	Acquired
May 6, 2004	NRC	Director Stock Option (Right to Buy)	Common Stock (1,000)	$16.94	May 6, 2014	1,000	Acquired
May 1, 2003	NRC	Director Stock Option (Right to Buy)	Common Stock (1,000)	$9.60	May 1, 2013	1,000	Acquired

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

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 23, 2020	NNI	No securities are beneficially owned	0	Direct