John Canan

Insider

First SEC filing: Feb. 4, 2026 · Latest: Feb. 4, 2026

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 2, 2026	TEX	A	2,380	—	—	64,456 Direct	+3.83%	Acquired	(price as of 2026-08-19)
Feb. 2, 2026	TEX	A	62,076	—	—	62,076 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 28, 2022	GRCE	A	45,000	—	—	45,000 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 12, 2021	GRCE	A	42,100	—	—	42,100 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 24, 2014	MRK	A	2,913	$56.18	$163,652	13,610 Direct	+27.23%	Acquired	182.4% (price as of 2026-08-19)
Feb. 11, 2014	MRK	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 11, 2014	MRK	S	10,000	$55.70	$557,000	10,697 Direct	-48.32%	Disposed	184.8% (price as of 2026-08-19)
Feb. 11, 2014	MRK	M	10,000	$48.24	$482,400	20,697 Direct	+93.48%	Acquired	228.8% (price as of 2026-08-19)
May 7, 2013	MRK	M	4,479	$44.98	$201,465	0 Direct	-100.00%	Disposed	252.7% (price as of 2026-08-19)
May 7, 2013	MRK	F	1,669	$44.98	$75,072	10,550 Direct	-13.66%	Disposed	252.7% (price as of 2026-08-19)
May 7, 2013	MRK	M	4,479	—	—	12,219 Direct	+57.87%	Acquired	(price as of 2026-08-19)
May 6, 2013	MRK	A	38,647	—	—	38,647 Direct	—	Acquired	(price as of 2026-08-19)
May 6, 2013	MRK	A	4,002	—	—	4,002 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 25, 2013	MRK	A	2,657	$42.52	$112,976	7,715 Direct	+52.53%	Acquired	273.1% (price as of 2026-08-19)
Aug. 1, 2012	MRK	S	30,500	$44.29	$1,350,845	5,058 Direct	-85.78%	Disposed	258.2% (price as of 2026-08-19)
July 24, 2012	MRK	M	9,681	$43.27	$418,897	0 Direct	-100.00%	Disposed	266.6% (price as of 2026-08-19)
July 24, 2012	MRK	F	3,520	$43.27	$152,310	35,558 Direct	-9.01%	Disposed	266.6% (price as of 2026-08-19)
July 24, 2012	MRK	M	9,681	—	—	39,078 Direct	+32.93%	Acquired	(price as of 2026-08-19)
May 2, 2012	MRK	A	43,876	—	—	43,876 Direct	—	Acquired	(price as of 2026-08-19)
May 2, 2012	MRK	A	4,581	—	—	4,581 Direct	—	Acquired	(price as of 2026-08-19)
April 24, 2012	MRK	M	5,775	—	—	31,206 Direct	+22.71%	Acquired	(price as of 2026-08-19)
April 24, 2012	MRK	F	2,100	$38.27	$80,367	29,106 Direct	-6.73%	Disposed	314.5% (price as of 2026-08-19)
April 24, 2012	MRK	M	5,775	$38.27	$221,009	0 Direct	-100.00%	Disposed	314.5% (price as of 2026-08-19)
Feb. 28, 2012	MRK	A	4,268	$38.38	$163,806	25,171 Direct	+20.42%	Acquired	313.3% (price as of 2026-08-19)
May 4, 2011	MRK	A	44,776	—	—	44,776 Direct	—	Acquired	(price as of 2026-08-19)
May 4, 2011	MRK	A	4,923	—	—	4,923 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 28, 2011	MRK	M	4,950	$32.19	$159,340	0 Direct	-100.00%	Disposed	392.8% (price as of 2026-08-19)
Feb. 28, 2011	MRK	F	1,800	$32.19	$57,942	20,040 Direct	-8.24%	Disposed	392.8% (price as of 2026-08-19)
Feb. 28, 2011	MRK	M	4,950	—	—	21,840 Direct	+29.31%	Acquired	(price as of 2026-08-19)
Feb. 22, 2011	MRK	A	3,761	$32.34	$121,631	16,890 Direct	+28.65%	Acquired	390.5% (price as of 2026-08-19)
May 7, 2010	MRK	A	24,010	—	—	24,010 Direct	—	Acquired	(price as of 2026-08-19)
May 7, 2010	MRK	A	4,479	—	—	4,479 Direct	—	Acquired	(price as of 2026-08-19)
March 2, 2010	MRK	M	3,750	—	—	13,916 Direct	+36.89%	Acquired	(price as of 2026-08-19)
March 2, 2010	MRK	F	1,364	$37.27	$50,836	12,552 Direct	-9.80%	Disposed	325.6% (price as of 2026-08-19)
March 2, 2010	MRK	M	3,750	$37.27	$139,762	0 Direct	-100.00%	Disposed	325.6% (price as of 2026-08-19)
Jan. 8, 2010	MRK	A	2,688	$37.72	$101,391	10,166 Direct	+35.95%	Acquired	320.5% (price as of 2026-08-19)
Nov. 3, 2009	MRK	A	30,800	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	26,400	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	20,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	21,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	5,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	15,825	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	10,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	10,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	10,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	12,660	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	3,165	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	18,990	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	15,825	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	9,681	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	5,775	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	4,950	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	3,750	—	—	0 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	J	2,401	—	—	0 Indirect	—	Acquired	(price as of 2026-08-19)
Nov. 3, 2009	MRK	A	7,478	—	—	0 Direct	—	Acquired	(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.

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
Sept. 28, 2022	GRCE	Stock Options (Right to Buy)	Class A Common Shares (45,000)	—	Sept. 28, 2032	45,000	Acquired
Nov. 12, 2021	GRCE	Stock Options (Right to Buy)	Class A Common Shares (42,100)	—	Nov. 12, 2031	42,100	Acquired
Feb. 11, 2014	MRK	Stock Option (right to buy)	Common Stock (10,000)	$48.24	Feb. 26, 2014	10,000	Disposed
May 7, 2013	MRK	Restricted Stock Unit	Common Stock (4,479)	—	May 7, 2013	4,479	Disposed
May 6, 2013	MRK	Stock Option (right to buy)	Common Stock (38,647)	$44.98	May 5, 2023	38,647	Acquired
May 6, 2013	MRK	Restricted Stock Unit	Common Stock (4,002)	—	May 6, 2016	4,002	Acquired
July 24, 2012	MRK	Restricted Stock Unit	Common Stock (9,681)	—	July 24, 2012	9,681	Disposed
May 2, 2012	MRK	Stock Option (right to buy)	Common Stock (43,876)	$39.29	May 1, 2022	43,876	Acquired
May 2, 2012	MRK	Restricted Stock Unit	Common Stock (4,581)	—	May 2, 2015	4,581	Acquired
April 24, 2012	MRK	Restricted Stock Unit	Common Stock (5,775)	—	April 24, 2012	5,775	Disposed
May 4, 2011	MRK	Stock Option (right to buy)	Common Stock (44,776)	$36.56	May 3, 2021	44,776	Acquired
May 4, 2011	MRK	Restricted Stock Unit	Common Stock (4,923)	—	May 4, 2014	4,923	Acquired
Feb. 28, 2011	MRK	Restricted Stock Unit	Common Stock (4,950)	—	Feb. 28, 2011	4,950	Disposed
May 7, 2010	MRK	Stock Option (right to buy)	Common Stock (24,010)	$33.49	May 6, 2020	24,010	Acquired
May 7, 2010	MRK	Restricted Stock Unit	Common Stock (4,479)	—	May 7, 2013	4,479	Acquired
March 2, 2010	MRK	Restricted Stock Unit	Common Stock (3,750)	—	March 2, 2010	3,750	Disposed
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (30,800)	$23.45	April 23, 2019	30,800	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (26,400)	$44.30	Feb. 28, 2018	26,400	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (20,000)	$44.19	March 1, 2017	20,000	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (21,000)	$35.09	March 2, 2016	21,000	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (5,000)	$34.47	Jan. 31, 2016	5,000	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (15,825)	$75.76	March 1, 2011	15,825	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (10,000)	$31.84	Feb. 24, 2015	10,000	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (10,000)	$28.90	Oct. 31, 2014	10,000	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (10,000)	$48.24	Feb. 26, 2014	10,000	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (12,660)	$62.09	Feb. 21, 2010	12,660	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (3,165)	$51.47	July 31, 2013	3,165	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (18,990)	$49.96	Feb. 27, 2013	18,990	Acquired
Nov. 3, 2009	MRK	Stock Option (right to buy)	Common Stock (15,825)	$58.91	Feb. 29, 2012	15,825	Acquired
Nov. 3, 2009	MRK	Restricted Stock Unit	Common Stock (9,681)	—	July 24, 2012	9,681	Acquired
Nov. 3, 2009	MRK	Restricted Stock Unit	Common Stock (5,775)	—	April 24, 2012	5,775	Acquired
Nov. 3, 2009	MRK	Restricted Stock Unit	Common Stock (4,950)	—	Feb. 28, 2011	4,950	Acquired
Nov. 3, 2009	MRK	Restricted Stock Unit	Common Stock (3,750)	—	March 2, 2010	3,750	Acquired

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

Initial ownership (Form 3) 13 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 4, 2026	TEX	Common Stock, $ .01 par value	0	Direct
April 1, 2020	GRCE	Common Shares	100,000	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (50,000)	50,000	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (17,400)	17,400	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (11,600)	11,600	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (60,283)	60,283	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (13,300)	13,300	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (45,400)	45,400	Direct
April 1, 2020	GRCE	Share Option (Right to Buy)→ Common Shares (86,000)	86,000	Direct
April 1, 2020	GRCE	Warrants→ Common Shares (17,500)	17,500	Direct
Feb. 22, 2017	GRCE	Class A Shares (Common Shares)	5,000	Direct
Feb. 22, 2017	GRCE	Class A Shares (Common Shares)	35,000	Direct
Feb. 22, 2017	GRCE	Warrants→ Class A Shares (Common Shares) (17,500)	17,500	Direct