Wayne W Walston

Insider

First SEC filing: Feb. 8, 2017 · Latest: Feb. 8, 2019

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.

Insider at

GRC buying June 7, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 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

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 2, 2018	GRC	J	1,500	$34.55	$51,825	3,962 Direct	+60.93%	Acquired	126.2% (price as of 2026-08-19)
July 3, 2017	GRC	J	1,250	$25.59	$31,988	6,212 Direct	+25.19%	Acquired	205.4% (price as of 2026-08-19)
June 7, 2017	GRC	P	100	$24.90	$2,490	21,027 Indirect	+0.48%	Acquired	213.8% (price as of 2026-08-19)
Dec. 28, 2016	GRC	S	2,000	$33.50	$67,000	4,962 Direct	-28.73%	Disposed	133.3% (price as of 2026-08-19)
Aug. 26, 2016	GRC	S	2,000	$27.31	$54,620	20,927 Indirect	-8.72%	Disposed	186.1% (price as of 2026-08-19)
July 1, 2016	GRC	J	1,250	$27.41	$34,262	6,962 Direct	+21.88%	Acquired	185.1% (price as of 2026-08-19)
July 29, 2015	GRC	P	500	$24.50	$12,250	5,712 Direct	+9.59%	Acquired	218.9% (price as of 2026-08-19)
July 1, 2015	GRC	J	1,250	$28.36	$35,450	5,212 Direct	+31.55%	Acquired	175.5% (price as of 2026-08-19)
June 18, 2015	GRC	G	1,759	—	—	22,927 Indirect	+8.31%	Acquired	(price as of 2026-08-19)
June 18, 2015	GRC	G	1,759	—	—	3,962 Direct	-30.75%	Disposed	(price as of 2026-08-19)
Dec. 15, 2014	GRC	P	100	$29.65	$2,965	100 Indirect	—	Acquired	163.5% (price as of 2026-08-19)
Dec. 12, 2014	GRC	P	100	$29.54	$2,954	3,963 Direct	+2.59%	Acquired	164.5% (price as of 2026-08-19)
July 31, 2014	GRC	P	500	$28.69	$14,345	3,863 Direct	+14.87%	Acquired	172.4% (price as of 2026-08-19)
July 1, 2014	GRC	J	1,250	$35.53	$44,412	3,363 Direct	+59.16%	Acquired	119.9% (price as of 2026-08-19)
Dec. 20, 2013	GRC	P	300	$30.00	$9,000	18,778 Direct	+1.62%	Acquired	160.5% (price as of 2026-08-19)
Nov. 1, 2013	GRC	G	21,284	—	—	2,113 Direct	-90.97%	Disposed	(price as of 2026-08-19)
Nov. 1, 2013	GRC	G	1,543	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 1, 2013	GRC	G	22,827	—	—	22,827 Indirect	—	Acquired	(price as of 2026-08-19)
Oct. 3, 2013	GRC	P	200	$38.61	$7,722	18,478 Direct	+1.09%	Acquired	153.0% (price as of 2026-08-19)
Sept. 26, 2013	GRC	P	200	$40.79	$8,158	18,278 Direct	+1.11%	Acquired	139.5% (price as of 2026-08-19)
July 1, 2013	GRC	J	1,000	$31.97	$31,970	18,078 Direct	+5.86%	Acquired	205.5% (price as of 2026-08-19)
May 1, 2013	GRC	P	300	$26.95	$8,085	17,078 Direct	+1.79%	Acquired	262.4% (price as of 2026-08-19)
June 5, 2012	GRC	P	250	$27.00	$6,750	15,778 Direct	+1.61%	Acquired	261.8% (price as of 2026-08-19)
Aug. 5, 2011	GRC	P	500	$29.71	$14,855	15,403 Direct	+3.36%	Acquired	228.8% (price as of 2026-08-19)
Aug. 1, 2011	GRC	J	500	$33.38	$16,690	14,903 Direct	+3.47%	Acquired	192.6% (price as of 2026-08-19)
July 1, 2011	GRC	J	500	$33.15	$16,575	14,403 Direct	+3.60%	Acquired	194.6% (price as of 2026-08-19)
June 10, 2011	GRC	J	246	$38.53	$9,478	1,233 Indirect	+24.92%	Acquired	216.9% (price as of 2026-08-19)
June 10, 2011	GRC	J	2,680	$38.53	$103,260	13,903 Direct	+23.88%	Acquired	216.9% (price as of 2026-08-19)
July 1, 2009	GRC	J	500	$20.48	$10,240	10,723 Direct	+4.89%	Acquired	496.2% (price as of 2026-08-19)
Oct. 8, 2008	GRC	P	500	$27.68	$13,840	987 Indirect	+102.67%	Acquired	341.1% (price as of 2026-08-19)
July 1, 2008	GRC	J	500	$39.65	$19,825	10,223 Direct	+5.14%	Acquired	207.9% (price as of 2026-08-19)
July 1, 2007	GRC	J	500	$32.48	$16,240	7,062 Direct	+7.62%	Acquired	369.9% (price as of 2026-08-19)
July 1, 2006	GRC	J	500	$26.86	$13,430	5,250 Direct	+10.53%	Acquired	610.3% (price as of 2026-08-19)
July 1, 2005	GRC	J	500	$21.26	$10,630	4,750 Direct	+11.76%	Acquired	797.3% (price as of 2026-08-19)
July 1, 2004	GRC	J	500	$26.68	$13,340	3,400 Direct	+17.24%	Acquired	793.8% (price as of 2026-08-19)

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.