Martin C Maxwell

Insider

First SEC filing: Nov. 24, 2020 · Latest: Nov. 24, 2020

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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 80 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

80 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 20, 2026	ITGR	A	1,967	—	—	25,106 Direct	+8.50%	Acquired	(price as of 2026-08-20)
Dec. 12, 2025	ITGR	M	2,883	$48.43	$139,624	25,053 Direct	+13.00%	Acquired	158.9% (price as of 2026-08-20)
Dec. 12, 2025	ITGR	F	1,914	$72.97	$139,665	23,139 Direct	-7.64%	Disposed	71.8% (price as of 2026-08-20)
Dec. 12, 2025	ITGR	M	2,883	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 5, 2025	ITGR	M	7,410	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 5, 2025	ITGR	M	1,310	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 5, 2025	ITGR	S	181	$121.26	$21,948	22,170 Direct	-0.81%	Disposed	3.4% (price as of 2026-08-20)
June 5, 2025	ITGR	S	5,806	$120.75	$701,074	22,351 Direct	-20.62%	Disposed	3.8% (price as of 2026-08-20)
June 5, 2025	ITGR	S	1,423	$119.67	$170,290	28,157 Direct	-4.81%	Disposed	4.8% (price as of 2026-08-20)
June 5, 2025	ITGR	S	979	$120.82	$118,283	29,580 Direct	-3.20%	Disposed	3.8% (price as of 2026-08-20)
June 5, 2025	ITGR	S	331	$119.93	$39,697	30,559 Direct	-1.07%	Disposed	4.5% (price as of 2026-08-20)
June 5, 2025	ITGR	M	7,410	$49.90	$369,759	30,890 Direct	+31.56%	Acquired	151.2% (price as of 2026-08-20)
June 5, 2025	ITGR	M	1,310	$49.90	$65,369	23,480 Direct	+5.91%	Acquired	151.2% (price as of 2026-08-20)
May 21, 2025	ITGR	A	1,514	—	—	22,170 Direct	+7.33%	Acquired	(price as of 2026-08-20)
July 31, 2024	ITGR	S	4,700	$118.88	$558,736	20,656 Direct	-18.54%	Disposed	5.5% (price as of 2026-08-20)
May 22, 2024	ITGR	A	1,480	—	—	25,356 Direct	+6.20%	Acquired	(price as of 2026-08-20)
May 24, 2023	ITGR	A	2,246	—	—	23,876 Direct	+10.38%	Acquired	(price as of 2026-08-20)
May 18, 2022	ITGR	A	2,277	—	—	21,630 Direct	+11.77%	Acquired	(price as of 2026-08-20)
May 19, 2021	ITGR	A	1,820	—	—	19,353 Direct	+10.38%	Acquired	(price as of 2026-08-20)
Nov. 23, 2020	PH	M	12,150	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 23, 2020	PH	S	3,561	$271.36	$966,313	15,144 Direct	-19.04%	Disposed	275.6% (price as of 2026-08-20)
Nov. 23, 2020	PH	F	8,589	$271.08	$2,328,306	18,705 Direct	-31.47%	Disposed	276.0% (price as of 2026-08-20)
Nov. 23, 2020	PH	M	12,150	$124.36	$1,510,974	27,294 Direct	+80.23%	Acquired	719.6% (price as of 2026-08-20)
Nov. 6, 2020	PH	M	10,640	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 6, 2020	PH	M	11,080	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 6, 2020	PH	S	6,141	$237.44	$1,458,119	15,144 Direct	-28.85%	Disposed	329.3% (price as of 2026-08-20)
Nov. 6, 2020	PH	F	15,579	$236.92	$3,690,977	21,285 Direct	-42.26%	Disposed	330.2% (price as of 2026-08-20)
Nov. 6, 2020	PH	M	10,640	$113.23	$1,204,767	36,864 Direct	+40.57%	Acquired	800.2% (price as of 2026-08-20)
Nov. 6, 2020	PH	M	11,080	$113.19	$1,254,145	26,224 Direct	+73.16%	Acquired	800.5% (price as of 2026-08-20)
Aug. 12, 2020	PH	A	8,030	—	—	8,030 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 7, 2020	PH	S	9,000	$195.41	$1,758,690	15,144 Direct	-37.28%	Disposed	421.6% (price as of 2026-08-20)
May 20, 2020	ITGR	A	2,920	—	—	17,533 Direct	+19.98%	Acquired	(price as of 2026-08-20)
April 27, 2020	PH	F	3,372	$134.95	$455,051	24,144 Direct	-12.25%	Disposed	655.3% (price as of 2026-08-20)
April 27, 2020	PH	A	7,434	—	—	27,516 Direct	+37.02%	Acquired	(price as of 2026-08-20)
Feb. 5, 2020	PH	M	12,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 5, 2020	PH	S	3,884	$208.29	$808,998	20,082 Direct	-16.21%	Disposed	389.3% (price as of 2026-08-20)
Feb. 5, 2020	PH	F	8,116	$208.16	$1,689,427	23,966 Direct	-25.30%	Disposed	389.6% (price as of 2026-08-20)
Feb. 5, 2020	PH	M	12,000	$106.18	$1,274,160	32,082 Direct	+59.76%	Acquired	859.9% (price as of 2026-08-20)
Nov. 7, 2019	PH	S	11,500	$200.67	$2,307,705	20,082 Direct	-36.41%	Disposed	407.9% (price as of 2026-08-20)
Sept. 28, 2019	ITGR	M	438	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 28, 2019	ITGR	M	438	—	—	14,613 Direct	+3.09%	Acquired	(price as of 2026-08-20)
Aug. 14, 2019	PH	A	8,950	—	—	8,950 Direct	—	Acquired	(price as of 2026-08-20)
June 29, 2019	ITGR	M	437	—	—	438 Direct	-49.94%	Disposed	(price as of 2026-08-20)
June 29, 2019	ITGR	M	437	—	—	14,175 Direct	+3.18%	Acquired	(price as of 2026-08-20)
April 26, 2019	PH	F	2,743	$182.02	$499,281	31,582 Direct	-7.99%	Disposed	460.0% (price as of 2026-08-20)
April 26, 2019	PH	A	7,726	—	—	34,325 Direct	+29.05%	Acquired	(price as of 2026-08-20)
March 30, 2019	ITGR	M	437	—	—	875 Direct	-33.31%	Disposed	(price as of 2026-08-20)
March 30, 2019	ITGR	M	437	—	—	13,738 Direct	+3.29%	Acquired	(price as of 2026-08-20)
Jan. 2, 2019	ITGR	M	437	—	—	13,301 Direct	+3.40%	Acquired	(price as of 2026-08-20)
Jan. 2, 2019	ITGR	M	437	—	—	1,312 Direct	-24.99%	Disposed	(price as of 2026-08-20)
Jan. 2, 2019	ITGR	A	1,749	—	—	1,749 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 15, 2018	PH	A	8,120	—	—	8,120 Direct	—	Acquired	(price as of 2026-08-20)
April 20, 2018	PH	F	2,229	$176.18	$392,705	26,599 Direct	-7.73%	Disposed	478.5% (price as of 2026-08-20)
April 20, 2018	PH	A	6,860	—	—	28,828 Direct	+31.23%	Acquired	(price as of 2026-08-20)
Jan. 2, 2018	ITGR	A	2,227	—	—	2,227 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2018	ITGR	A	2,147	—	—	12,864 Direct	+20.03%	Acquired	(price as of 2026-08-20)
Sept. 12, 2017	PH	M	9,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 12, 2017	PH	S	2,640	$165.67	$437,369	21,968 Direct	-10.73%	Disposed	515.2% (price as of 2026-08-20)
Sept. 12, 2017	PH	F	7,110	$165.64	$1,177,700	24,608 Direct	-22.42%	Disposed	515.3% (price as of 2026-08-20)
Sept. 12, 2017	PH	M	9,750	$81.86	$798,135	31,718 Direct	+44.38%	Acquired	1145.1% (price as of 2026-08-20)
Aug. 16, 2017	PH	A	9,620	—	—	9,620 Direct	—	Acquired	(price as of 2026-08-20)
May 25, 2017	PH	S	2,850	$160.08	$456,228	21,968 Direct	-11.48%	Disposed	536.7% (price as of 2026-08-20)
April 21, 2017	PH	F	2,206	$157.07	$346,496	24,818 Direct	-8.16%	Disposed	548.9% (price as of 2026-08-20)
April 21, 2017	PH	A	5,056	—	—	27,024 Direct	+23.02%	Acquired	(price as of 2026-08-20)
March 2, 2017	PH	M	7,850	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 2, 2017	PH	S	3,017	$158.38	$477,832	21,968 Direct	-12.08%	Disposed	543.5% (price as of 2026-08-20)
March 2, 2017	PH	F	4,833	$158.25	$764,822	24,985 Direct	-16.21%	Disposed	544.1% (price as of 2026-08-20)
March 2, 2017	PH	M	7,850	$69.10	$542,435	29,818 Direct	+35.73%	Acquired	1375.0% (price as of 2026-08-20)
Jan. 3, 2017	ITGR	A	3,299	—	—	10,717 Direct	+44.47%	Acquired	(price as of 2026-08-20)
Jan. 3, 2017	ITGR	A	3,555	—	—	3,555 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 10, 2016	PH	M	7,136	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2016	PH	M	7,318	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2016	PH	M	6,064	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 10, 2016	PH	S	9,800	$136.22	$1,334,956	21,968 Direct	-30.85%	Disposed	648.2% (price as of 2026-08-20)
Nov. 10, 2016	PH	S	1,711	$136.14	$232,936	31,768 Direct	-5.11%	Disposed	648.7% (price as of 2026-08-20)
Nov. 10, 2016	PH	F	18,807	$135.90	$2,555,871	33,479 Direct	-35.97%	Disposed	650.0% (price as of 2026-08-20)
Nov. 10, 2016	PH	M	7,136	$100.01	$713,671	52,286 Direct	+15.81%	Acquired	919.1% (price as of 2026-08-20)
Nov. 10, 2016	PH	M	7,318	$119.69	$875,891	45,150 Direct	+19.34%	Acquired	751.6% (price as of 2026-08-20)
Nov. 10, 2016	PH	M	6,064	$126.04	$764,307	37,832 Direct	+19.09%	Acquired	708.7% (price as of 2026-08-20)
Nov. 1, 2016	ITGR	P	4,700	$21.54	$101,238	7,418 Direct	+172.92%	Acquired	482.0% (price as of 2026-08-20)
Aug. 17, 2016	PH	A	12,150	—	—	12,150 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 5, 2016	PH	M	7,683	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 5, 2016	PH	S	893	$120.62	$107,714	31,768 Direct	-2.73%	Disposed	745.0% (price as of 2026-08-20)
Aug. 5, 2016	PH	F	6,790	$120.60	$818,874	32,661 Direct	-17.21%	Disposed	745.1% (price as of 2026-08-20)
Aug. 5, 2016	PH	M	7,683	$100.01	$768,377	39,451 Direct	+24.18%	Acquired	919.1% (price as of 2026-08-20)
April 22, 2016	PH	F	1,115	$113.90	$126,998	31,768 Direct	-3.39%	Disposed	794.9% (price as of 2026-08-20)
April 22, 2016	PH	A	3,498	—	—	32,883 Direct	+11.90%	Acquired	(price as of 2026-08-20)
Jan. 4, 2016	ITGR	A	2,883	—	—	2,883 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2016	ITGR	A	1,877	—	—	2,718 Direct	+223.19%	Acquired	(price as of 2026-08-20)
Aug. 12, 2015	PH	A	10,640	—	—	10,640 Direct	—	Acquired	(price as of 2026-08-20)
July 2, 2015	ITGR	A	7,410	—	—	7,410 Direct	—	Acquired	(price as of 2026-08-20)
July 2, 2015	ITGR	A	1,310	—	—	1,310 Direct	—	Acquired	(price as of 2026-08-20)
July 2, 2015	ITGR	A	841	—	—	841 Direct	—	Acquired	(price as of 2026-08-20)
April 30, 2015	PH	F	1,138	$119.06	$135,490	29,385 Direct	-3.73%	Disposed	756.1% (price as of 2026-08-20)
April 30, 2015	PH	A	3,567	—	—	30,523 Direct	+13.23%	Acquired	(price as of 2026-08-20)
Nov. 25, 2014	PH	S	7,583	$133.14	$1,009,601	26,956 Direct	-21.95%	Disposed	665.5% (price as of 2026-08-20)
Nov. 25, 2014	PH	M	11,140	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 25, 2014	PH	S	3,166	$132.87	$420,666	26,956 Direct	-10.51%	Disposed	667.1% (price as of 2026-08-20)
Nov. 25, 2014	PH	F	7,974	$132.88	$1,059,585	30,122 Direct	-20.93%	Disposed	667.0% (price as of 2026-08-20)
Nov. 25, 2014	PH	M	11,140	$62.35	$694,579	38,096 Direct	+41.33%	Acquired	1534.7% (price as of 2026-08-20)

Showing latest 100 of 199 transactions

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
Dec. 12, 2025	ITGR	Stock Option	Common Stock (2,883)	$48.43	Jan. 4, 2026	2,883	Disposed
June 5, 2025	ITGR	Stock Option	Common Stock (7,410)	$49.90	July 2, 2025	7,410	Disposed
June 5, 2025	ITGR	Stock Option	Common Stock (1,310)	$49.90	July 2, 2025	1,310	Disposed
Nov. 23, 2020	PH	Stock Appreciation Right	Common Stock (12,150)	$124.36	Aug. 16, 2026	12,150	Disposed
Nov. 6, 2020	PH	Stock Appreciation Right	Common Stock (10,640)	$113.23	Aug. 11, 2025	10,640	Disposed
Nov. 6, 2020	PH	Stock Appreciation Right	Common Stock (11,080)	$113.19	Aug. 12, 2024	11,080	Disposed
Aug. 12, 2020	PH	Stock Appreciation Right	Common Stock (8,030)	$209.56	Aug. 11, 2030	8,030	Acquired
Feb. 5, 2020	PH	Stock Appreciation Right	Common Stock (12,000)	$106.18	Aug. 13, 2023	12,000	Acquired
Sept. 28, 2019	ITGR	Restricted Stock Units	Common (438)	—	—	438	Disposed
Aug. 14, 2019	PH	Stock Appreciation Right	Common Stock (8,950)	$158.90	Aug. 13, 2029	8,950	Acquired
June 29, 2019	ITGR	Restricted Stock Units	Common (437)	—	—	437	Disposed
March 30, 2019	ITGR	Restricted Stock Units	Common (437)	—	—	437	Disposed
Jan. 2, 2019	ITGR	Restricted Stock Units	Common (437)	—	—	437	Disposed
Jan. 2, 2019	ITGR	Restricted Stock Units	Common (1,749)	—	—	1,749	Acquired
Aug. 15, 2018	PH	Stock Appreciation Right	Common Stock (8,120)	$166.49	Aug. 14, 2028	8,120	Acquired
Jan. 2, 2018	ITGR	Non-Qualified Stock Options	Common	$45.40	Jan. 2, 2028	2,227	Acquired
Sept. 12, 2017	PH	Stock Appreciation Right	Common Stock (9,750)	$81.86	Aug. 14, 2022	9,750	Disposed
Aug. 16, 2017	PH	Stock Appreciation Right	Common Stock (9,620)	$158.79	Aug. 15, 2027	9,620	Acquired
March 2, 2017	PH	Stock Appreciation Right	Common Stock (7,850)	$69.10	Aug. 16, 2021	7,850	Disposed
Jan. 3, 2017	ITGR	Stock Option	Common	$29.55	Jan. 3, 2027	3,555	Acquired
Nov. 10, 2016	PH	Stock Appreciation Right	Common Stock (7,136)	$100.01	Aug. 11, 2019	7,136	Disposed
Nov. 10, 2016	PH	Stock Appreciation Right	Common Stock (7,318)	$119.69	Aug. 14, 2017	7,318	Disposed
Nov. 10, 2016	PH	Stock Appreciation Right	Common Stock (6,064)	$126.04	Aug. 12, 2018	6,064	Disposed
Aug. 17, 2016	PH	Stock Appreciation Right	Common Stock (12,150)	$124.36	Aug. 16, 2026	12,150	Acquired
Aug. 5, 2016	PH	Stock Appreciation Right	Common Stock (7,683)	$100.01	Aug. 15, 2016	7,683	Disposed
Jan. 4, 2016	ITGR	Stock Options	Common	$51.92	Jan. 4, 2026	2,883	Acquired
Aug. 12, 2015	PH	Stock Appreciation Right	Common Stock (10,640)	$113.23	Aug. 11, 2025	10,640	Acquired
July 2, 2015	ITGR	Stock Option	Common (7,410)	$53.50	July 2, 2025	7,410	Acquired
July 2, 2015	ITGR	Stock Option	Common (1,310)	$53.50	July 2, 2025	1,310	Acquired
Nov. 25, 2014	PH	Stock Appreciation Right	Common Stock (11,140)	$62.35	Aug. 10, 2020	11,140	Disposed
Aug. 13, 2014	PH	Stock Appreciation Right	Common Stock (9,040)	$113.19	Aug. 12, 2024	9,040	Acquired
May 13, 2014	PH	Stock Appreciation Right	Common Stock (6,064)	$126.04	Aug. 12, 2018	6,064	Acquired
May 13, 2014	PH	Option to Buy with Tandem Stock Appreciation Right	Common Stock (11,700)	$65.34	Aug. 12, 2018	11,700	Disposed
May 13, 2014	PH	Stock Appreciation Right	Common Stock (5,904)	$89.04	Aug. 9, 2015	5,904	Disposed
May 13, 2014	PH	Option to Buy	Common Stock (3,897)	$76.63	Aug. 10, 2014	3,897	Disposed
Dec. 10, 2013	PH	Stock Appreciation Right	Common Stock (7,318)	$119.69	Aug. 14, 2017	7,318	Acquired
Dec. 10, 2013	PH	Option to Buy with Tandem Stock Appreciation Right	Common Stock (14,400)	$60.93	Aug. 14, 2017	14,400	Disposed
Aug. 14, 2013	PH	Stock Appreciation Right	Common Stock (12,000)	$106.18	Aug. 13, 2023	12,000	Acquired
May 17, 2013	PH	Stock Appreciation Right	Common Stock (7,136)	$100.01	Aug. 11, 2019	7,136	Acquired
May 17, 2013	PH	Stock Appreciation Right	Common Stock (7,683)	$100.01	Aug. 15, 2016	7,683	Acquired
May 17, 2013	PH	Option to Buy with Tandem Stock Appreciation Right	Common Stock (14,295)	$49.46	Aug. 11, 2019	14,295	Disposed
May 17, 2013	PH	Option to Buy with Tandem Stock Appreciation Right	Common Stock (15,300)	$49.75	Aug. 15, 2016	15,300	Disposed
Jan. 11, 2013	PH	Stock Appreciation Right	Common Stock (5,904)	$89.04	Aug. 9, 2015	5,904	Acquired
Jan. 11, 2013	PH	Option to Buy with Tandem Stock Appreciation Right	Common Stock (12,000)	$43.77	Aug. 9, 2015	12,000	Disposed
Aug. 15, 2012	PH	Stock Appreciation Right	Common Stock (9,750)	$81.86	Aug. 14, 2022	9,750	Acquired
Aug. 17, 2011	PH	Stock Appreciation Right	Common Stock (7,850)	$69.10	Aug. 16, 2021	7,850	Acquired
Aug. 11, 2010	PH	Stock Appreciation Right	Common Stock (11,140)	$62.35	Aug. 10, 2020	11,140	Acquired
Aug. 12, 2009	PH	Option to buy with tandem stock appreciation right	Common Stock (14,295)	$49.46	Aug. 11, 2019	14,295	Acquired
Aug. 13, 2008	PH	Option to buy with tandem stock appreciation right	Common Stock (11,700)	$65.34	Aug. 12, 2018	11,700	Acquired
Sept. 20, 2007	PH	Option to Buy	Common Stock (2,598)	$114.95	Aug. 10, 2014	2,598	Acquired
Sept. 20, 2007	PH	Option to Buy	Common Stock	$54.39	Aug. 10, 2014	5,500	Disposed
Aug. 15, 2007	PH	Option to buy with tandem stock appreciation right	Common Stock (9,600)	$91.40	Aug. 14, 2017	9,600	Acquired
Aug. 16, 2006	PH	Option to Buy with Tandem Stock Appreciation Right	Common Stock (10,200)	$74.63	Aug. 15, 2016	10,200	Acquired
April 20, 2006	PH	Option to Buy	Common Stock (8,300)	$47.29	Aug. 12, 2013	8,300	Disposed
Aug. 10, 2005	PH	Option to buy with tandem stock appreciation right	Common Stock (8,000)	$65.65	Aug. 9, 2015	8,000	Acquired
Dec. 6, 2004	PH	Option to Buy	Common Stock (420)	$45.00	Aug. 10, 2009	420	Disposed
Dec. 6, 2004	PH	Option to Buy	Common Stock (1,200)	$44.42	Aug. 7, 2011	1,200	Disposed
Dec. 6, 2004	PH	Option to Buy	Common Stock (1,350)	$39.84	Aug. 6, 2012	1,350	Disposed
Aug. 11, 2004	PH	Option to Buy	Common Stock (5,500)	$54.39	Aug. 10, 2014	5,500	Acquired
Aug. 13, 2003	PH	Option to Buy	—	$47.29	Aug. 12, 2013	8,300	Acquired

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