Brian J Zumbolo

Insider

First SEC filing: Feb. 21, 2012 · Latest: Feb. 21, 2012

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

GGG selling Oct. 16, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 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

49 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 12, 2021	GGG	A	28,310	—	—	28,310 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 16, 2020	GGG	M	54,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Oct. 16, 2020	GGG	S 10b5-1	54,000	$66.00	$3,564,000	28,233 Direct	-65.67%	Disposed	23.3% (price as of 2026-08-21)
Oct. 16, 2020	GGG	M	54,000	$19.58	$1,057,320	82,233 Direct	+191.27%	Acquired	315.6% (price as of 2026-08-21)
Feb. 14, 2020	GGG	A	38,120	—	—	38,120 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 4, 2020	GGG	M	55,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 4, 2020	GGG	S	55,800	$55.00	$3,069,000	27,654 Direct	-66.86%	Disposed	48.0% (price as of 2026-08-21)
Feb. 4, 2020	GGG	M	55,800	$16.61	$926,838	83,454 Direct	+201.78%	Acquired	389.9% (price as of 2026-08-21)
Feb. 15, 2019	GGG	A	36,880	—	—	36,880 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 16, 2018	GGG	A	33,220	—	—	33,220 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2017	GGG	M	18,000	$42.73	$769,140	26,719 Direct	+206.45%	Acquired	471.4% (price as of 2026-08-21)
May 2, 2017	GGG	M	7,500	$27.17	$203,775	34,219 Direct	+28.07%	Acquired	798.6% (price as of 2026-08-21)
May 2, 2017	GGG	S	24,566	$108.23	$2,658,778	9,653 Direct	-71.79%	Disposed	125.6% (price as of 2026-08-21)
May 2, 2017	GGG	S	934	$108.81	$101,629	8,719 Direct	-9.68%	Disposed	124.4% (price as of 2026-08-21)
May 2, 2017	GGG	M	18,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 2, 2017	GGG	M	7,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 17, 2017	GGG	A	16,700	—	—	16,700 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2016	GGG	A	21,170	—	—	21,170 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 13, 2015	GGG	A	15,710	—	—	15,710 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 3, 2014	GGG	M	12,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 3, 2014	GGG	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 3, 2014	GGG	S 10b5-1	14,500	$81.00	$1,174,500	7,738 Direct	-65.20%	Disposed	201.4% (price as of 2026-08-21)
Dec. 3, 2014	GGG	M	12,000	$35.90	$430,800	22,238 Direct	+117.21%	Acquired	580.1% (price as of 2026-08-21)
Dec. 3, 2014	GGG	M	2,500	$41.36	$103,400	10,238 Direct	+32.31%	Acquired	490.3% (price as of 2026-08-21)
Feb. 14, 2014	GGG	A	14,360	—	—	14,360 Direct	—	Acquired	(price as of 2026-08-21)
May 23, 2013	GGG	M	15,000	—	—	7,500 Direct	-66.67%	Disposed	(price as of 2026-08-21)
May 23, 2013	GGG	M	26,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 23, 2013	GGG	S	35,477	$61.15	$2,169,419	7,306 Direct	-82.92%	Disposed	299.2% (price as of 2026-08-21)
May 23, 2013	GGG	M	15,000	$27.17	$407,550	42,783 Direct	+53.99%	Acquired	798.6% (price as of 2026-08-21)
May 23, 2013	GGG	M	26,000	$20.80	$540,800	27,783 Direct	+1458.22%	Acquired	1073.8% (price as of 2026-08-21)
Feb. 15, 2013	GGG	A	18,000	—	—	18,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2012	GGG	A	18,600	—	—	18,600 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2012	GGG	M	5,049	—	—	22,500 Direct	-18.33%	Disposed	(price as of 2026-08-21)
Feb. 17, 2012	GGG	S 10b5-1	5,049	$50.00	$252,450	678 Direct	-88.16%	Disposed	388.3% (price as of 2026-08-21)
Feb. 17, 2012	GGG	M	5,049	$27.17	$137,181	5,727 Direct	+744.69%	Acquired	798.6% (price as of 2026-08-21)
Feb. 15, 2012	GGG	M	53	—	—	27,549 Direct	-0.19%	Disposed	(price as of 2026-08-21)
Feb. 15, 2012	GGG	S 10b5-1	53	$50.00	$2,650	678 Direct	-7.25%	Disposed	388.3% (price as of 2026-08-21)
Feb. 15, 2012	GGG	M	53	$27.17	$1,440	731 Direct	+7.82%	Acquired	798.6% (price as of 2026-08-21)
Feb. 13, 2012	GGG	X	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 13, 2012	GGG	M	18,000	—	—	12,000 Direct	-60.00%	Disposed	(price as of 2026-08-21)
Feb. 13, 2012	GGG	X	300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 13, 2012	GGG	M	1,124	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 13, 2012	GGG	M	2,398	—	—	27,602 Direct	-7.99%	Disposed	(price as of 2026-08-21)
Feb. 13, 2012	GGG	M	16,000	—	—	26,000 Direct	-38.10%	Disposed	(price as of 2026-08-21)
Feb. 13, 2012	GGG	S 10b5-1	42,822	$50.00	$2,141,100	678 Direct	-98.44%	Disposed	388.3% (price as of 2026-08-21)
Feb. 13, 2012	GGG	M	2,398	$27.17	$65,154	43,500 Direct	+5.83%	Acquired	798.6% (price as of 2026-08-21)
Feb. 13, 2012	GGG	M	16,000	$20.80	$332,800	41,102 Direct	+63.74%	Acquired	1073.8% (price as of 2026-08-21)
Feb. 13, 2012	GGG	M	18,000	$35.90	$646,200	25,102 Direct	+253.45%	Acquired	580.1% (price as of 2026-08-21)
Feb. 13, 2012	GGG	X	5,000	$40.68	$203,400	7,102 Direct	+237.87%	Acquired	500.1% (price as of 2026-08-21)
Feb. 13, 2012	GGG	X	300	$32.95	$9,885	2,102 Direct	+16.65%	Acquired	640.9% (price as of 2026-08-21)
Feb. 13, 2012	GGG	M	1,124	$27.91	$31,371	1,802 Direct	+165.78%	Acquired	774.7% (price as of 2026-08-21)
Feb. 18, 2011	GGG	A	18,000	—	—	18,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 11, 2011	GGG	S	200	$42.23	$8,446	2,300 Direct	-8.00%	Disposed	478.1% (price as of 2026-08-21)
Feb. 11, 2011	GGG	S	1,883	$42.22	$79,500	417 Direct	-81.87%	Disposed	478.3% (price as of 2026-08-21)
Feb. 11, 2011	GGG	S	417	$42.23	$17,610	0 Direct	-100.00%	Disposed	478.1% (price as of 2026-08-21)
Nov. 5, 2010	GGG	M	5,000	—	—	42,000 Direct	-10.64%	Disposed	(price as of 2026-08-21)
Nov. 5, 2010	GGG	S	2,500	$35.44	$88,600	2,500 Direct	-50.00%	Disposed	588.9% (price as of 2026-08-21)
Nov. 5, 2010	GGG	S	2,500	$35.49	$88,725	5,000 Direct	-33.33%	Disposed	587.9% (price as of 2026-08-21)
Nov. 5, 2010	GGG	M	5,000	$20.80	$104,000	7,500 Direct	+200.00%	Acquired	1073.8% (price as of 2026-08-21)
Feb. 12, 2010	GGG	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 10, 2009	GGG	S	616	$30.30	$18,665	2,500 Direct	-19.77%	Disposed	705.7% (price as of 2026-08-21)
Nov. 9, 2009	GGG	S	576	$30.40	$17,510	3,116 Direct	-15.60%	Disposed	703.1% (price as of 2026-08-21)
Feb. 13, 2009	GGG	A	47,000	—	—	47,000 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 3, 2008	GGG	S	405	$38.08	$15,422	3,692 Direct	-9.89%	Disposed	541.1% (price as of 2026-08-21)
March 10, 2008	GGG	S	566	$33.88	$19,176	4,097 Direct	-12.14%	Disposed	620.6% (price as of 2026-08-21)
March 10, 2008	GGG	S	100	$33.89	$3,389	4,663 Direct	-2.10%	Disposed	620.4% (price as of 2026-08-21)
March 10, 2008	GGG	S	300	$33.90	$10,170	4,763 Direct	-5.93%	Disposed	620.2% (price as of 2026-08-21)
March 5, 2008	GGG	S	581	$35.21	$20,457	4,447 Direct	-11.56%	Disposed	593.4% (price as of 2026-08-21)
Feb. 15, 2008	GGG	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 7, 2007	GGG	A	2,500	—	—	5,028 Direct	+98.89%	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
Feb. 12, 2021	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (28,310)	$71.92	Feb. 12, 2031	28,310	Acquired
Oct. 16, 2020	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (54,000)	$19.58	Feb. 15, 2023	54,000	Disposed
Feb. 14, 2020	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (38,120)	$56.35	Feb. 14, 2030	38,120	Acquired
Feb. 4, 2020	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (55,800)	$16.61	Feb. 17, 2022	55,800	Disposed
Feb. 15, 2019	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (36,880)	$45.56	Feb. 15, 2029	36,880	Acquired
Feb. 16, 2018	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (33,220)	$43.90	Feb. 16, 2028	33,220	Acquired
May 2, 2017	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (18,000)	$42.73	Feb. 18, 2021	18,000	Disposed
May 2, 2017	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (7,500)	$27.17	Feb. 12, 2020	7,500	Disposed
Feb. 17, 2017	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (16,700)	$91.04	Feb. 17, 2027	16,700	Acquired
Feb. 12, 2016	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (21,170)	$71.54	Feb. 12, 2026	21,170	Acquired
Feb. 13, 2015	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (15,710)	$74.38	Feb. 13, 2025	15,710	Acquired
Dec. 3, 2014	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (12,000)	$35.90	Feb. 15, 2018	12,000	Disposed
Dec. 3, 2014	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (2,500)	$41.36	Feb. 16, 2017	2,500	Disposed
Feb. 14, 2014	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (14,360)	$74.80	Feb. 14, 2024	14,360	Acquired
May 23, 2013	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (15,000)	$27.17	Feb. 12, 2020	15,000	Disposed
May 23, 2013	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (26,000)	$20.80	Feb. 13, 2019	26,000	Disposed
Feb. 15, 2013	GGG	Non-qualified Stock Option (Right to Buy)	Common Stock (18,000)	$58.74	Feb. 15, 2023	18,000	Acquired
Feb. 17, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (18,600)	$49.84	Feb. 17, 2022	18,600	Acquired
Feb. 17, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (5,049)	$27.17	Feb. 12, 2020	5,049	Disposed
Feb. 15, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (53)	$27.17	Feb. 12, 2020	53	Disposed
Feb. 13, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$40.68	Feb. 17, 2016	5,000	Disposed
Feb. 13, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (18,000)	$35.90	Feb. 15, 2018	18,000	Disposed
Feb. 13, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (300)	$32.95	Sept. 23, 2014	300	Disposed
Feb. 13, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (1,124)	$27.91	Feb. 19, 2014	1,124	Disposed
Feb. 13, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (2,398)	$27.17	Feb. 12, 2020	2,398	Disposed
Feb. 13, 2012	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (16,000)	$20.80	Feb. 13, 2019	16,000	Disposed
Feb. 18, 2011	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (18,000)	—	Feb. 18, 2021	18,000	Acquired
Nov. 5, 2010	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$20.80	Feb. 13, 2019	5,000	Disposed
Feb. 12, 2010	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (30,000)	—	Feb. 12, 2020	30,000	Acquired
Feb. 13, 2009	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (47,000)	—	Feb. 13, 2019	47,000	Acquired
Feb. 15, 2008	GGG	Non-Qualified Stock Option (right to buy)	Common Stock (30,000)	—	Feb. 15, 2018	30,000	Acquired

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

Initial ownership (Form 3) 10 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 9, 2008	GGG	Common Stock	2,528	Direct
Oct. 9, 2008	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (1,124)	1,124	Direct
Oct. 9, 2008	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (300)	300	Direct
Oct. 9, 2008	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (5,000)	5,000	Direct
Oct. 9, 2008	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (2,500)	2,500	Direct
Aug. 3, 2007	GGG	Common Stock	2,528	Direct
Aug. 3, 2007	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (1,124)	1,124	Direct
Aug. 3, 2007	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (300)	300	Direct
Aug. 3, 2007	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (5,000)	5,000	Direct
Aug. 3, 2007	GGG	Non-Qualified Stock Option (right to buy)→ Common Stock (2,500)	2,500	Direct