Michael T Ritchie

Insider

First SEC filing: Feb. 3, 2026 · Latest: Feb. 3, 2026

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Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 71 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

71 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D
Feb. 1, 2026	28412	D	58,849	—	—	0	—	—
Jan. 27, 2026	28412	A	6,785	—	—	58,849	—	—
Jan. 15, 2026	28412	F	3,309	$91.51	$302,807	39,864	—	—
Jan. 15, 2026	28412	A	5,777	—	—	39,864	—	—
Dec. 29, 2025	28412	F	472	$87.95	$41,512	37,384	—	—
Feb. 20, 2025	28412	F	2,253	$67.01	$150,974	37,810 Direct	-5.62%	Disposed
Feb. 20, 2025	28412	A	5,028	—	—	40,063 Direct	+14.35%	Acquired
Jan. 28, 2025	28412	A	3,840	—	—	35,035 Direct	+12.31%	Acquired
Jan. 28, 2025	28412	F	234	$63.53	$14,866	31,195 Direct	-0.74%	Disposed
Jan. 24, 2025	28412	F	546	$63.27	$34,545	31,429 Direct	-1.71%	Disposed
Jan. 24, 2025	28412	F	198	$63.27	$12,527	31,975 Direct	-0.62%	Disposed
Jan. 24, 2025	28412	F	305	$63.27	$19,297	32,173 Direct	-0.94%	Disposed
Feb. 26, 2024	28412	F	3,858	$48.97	$188,926	36,976 Direct	-9.45%	Disposed
Feb. 26, 2024	28412	A	8,610	—	—	40,834 Direct	+26.72%	Acquired
Jan. 26, 2024	28412	F	536	$54.92	$29,437	32,224 Direct	-1.64%	Disposed
Jan. 25, 2024	28412	F	394	$54.97	$21,658	32,760 Direct	-1.19%	Disposed
Jan. 23, 2024	28412	A	3,445	—	—	3,445 Direct	—	Acquired
Jan. 23, 2024	28412	A	3,390	$53.96	$182,924	33,154 Direct	+11.39%	Acquired
Jan. 22, 2024	28412	F	177	$53.67	$9,500	29,764	—	—
Feb. 27, 2018	28412	F	2,800	$98.61	$276,108	18,884 Direct	-12.91%	Disposed
Feb. 27, 2018	28412	A	6,248	—	—	21,684 Direct	+40.48%	Acquired
Feb. 27, 2018	28412	G	1,000	—	—	15,436 Direct	-6.08%	Disposed
Feb. 26, 2018	28412	S	4,000	$99.45	$397,800	16,436 Direct	-19.57%	Disposed
Jan. 27, 2018	28412	F	311	$95.81	$29,797	20,436 Direct	-1.50%	Disposed
Jan. 23, 2018	28412	A	1,715	—	—	1,715 Direct	—	Acquired
Jan. 23, 2018	28412	A	1,370	—	—	20,747 Direct	+7.07%	Acquired
Jan. 21, 2018	28412	F	127	$94.99	$12,064	19,377 Direct	-0.65%	Disposed
Nov. 10, 2017	28412	M	1,066	—	—	3,199 Direct	-24.99%	Disposed
Nov. 10, 2017	28412	M	1,530	—	—	1,530 Direct	-50.00%	Disposed
Nov. 10, 2017	28412	M	2,000	—	—	0 Direct	-100.00%	Disposed
Nov. 10, 2017	28412	S	1,066	$75.07	$80,025	19,500 Direct	-5.18%	Disposed
Nov. 10, 2017	28412	M	1,066	$32.97	$35,146	20,566 Direct	+5.47%	Acquired
Nov. 10, 2017	28412	S	1,530	$75.10	$114,903	19,500 Direct	-7.28%	Disposed
Nov. 10, 2017	28412	M	1,530	$42.32	$64,750	21,030 Direct	+7.85%	Acquired
Nov. 10, 2017	28412	S	2,000	$75.08	$150,160	19,500 Direct	-9.30%	Disposed
Nov. 10, 2017	28412	M	2,000	$33.79	$67,580	21,500 Direct	+10.26%	Acquired
April 28, 2017	28412	S	2,500	$70.86	$177,150	19,493 Direct	-11.37%	Disposed
Feb. 28, 2017	28412	A	5,104	—	—	24,349 Direct	+26.52%	Acquired
Feb. 28, 2017	28412	F	2,359	$71.28	$168,150	21,990 Direct	-9.69%	Disposed
Jan. 31, 2017	28412	S	747	$67.68	$50,557	22,678 Direct	-3.19%	Disposed
Jan. 31, 2017	28412	M	10,800	—	—	0 Direct	-100.00%	Disposed
Jan. 31, 2017	28412	S	400	$67.76	$27,104	19,245 Direct	-2.04%	Disposed
Jan. 31, 2017	28412	S	300	$67.75	$20,325	19,645 Direct	-1.50%	Disposed
Jan. 31, 2017	28412	S	200	$67.74	$13,548	19,945 Direct	-0.99%	Disposed
Jan. 31, 2017	28412	S	432	$67.73	$29,259	20,145 Direct	-2.10%	Disposed
Jan. 31, 2017	28412	S	953	$67.71	$64,528	20,577 Direct	-4.43%	Disposed
Jan. 31, 2017	28412	S	800	$67.70	$54,160	21,530 Direct	-3.58%	Disposed
Jan. 31, 2017	28412	S	348	$67.69	$23,556	22,330 Direct	-1.53%	Disposed
Jan. 31, 2017	28412	S	6,620	$67.67	$447,975	23,425 Direct	-22.03%	Disposed
Jan. 31, 2017	28412	M	10,800	$39.10	$422,280	30,045 Direct	+56.12%	Acquired
Jan. 24, 2017	28412	A	2,210	—	—	2,210 Direct	—	Acquired
Jan. 24, 2017	28412	A	970	—	—	19,245 Direct	+5.31%	Acquired
Jan. 24, 2017	28412	F	734	$67.66	$49,662	18,275 Direct	-3.86%	Disposed
Jan. 21, 2017	28412	F	262	$66.96	$17,544	19,009 Direct	-1.36%	Disposed
Nov. 23, 2016	28412	S	114	$62.05	$7,074	19,268 Direct	-0.59%	Disposed
Nov. 22, 2016	28412	M	4,000	—	—	0 Direct	-100.00%	Disposed
Nov. 22, 2016	28412	F	3,886	$61.55	$239,183	19,382 Direct	-16.70%	Disposed
Nov. 22, 2016	28412	M	4,000	$58.98	$235,920	23,268 Direct	+20.76%	Acquired
Nov. 2, 2016	28412	S	2,362	$50.90	$120,226	19,268 Direct	-10.92%	Disposed
Oct. 31, 2016	28412	M	8,000	—	—	0 Direct	-100.00%	Disposed
Oct. 31, 2016	28412	F	5,638	$52.09	$293,683	21,630 Direct	-20.68%	Disposed
Oct. 31, 2016	28412	M	8,000	$29.60	$236,800	27,268 Direct	+41.52%	Acquired
March 3, 2016	28412	F	1,707	$37.21	$63,517	19,252 Direct	-8.14%	Disposed
Feb. 23, 2016	28412	A	810	—	—	20,959 Direct	+4.02%	Acquired
Jan. 26, 2016	28412	A	4,265	—	—	4,265 Direct	—	Acquired
Jan. 26, 2016	28412	A	1,935	—	—	20,149 Direct	+10.62%	Acquired
Jan. 25, 2016	28412	F	462	$32.04	$14,802	18,214 Direct	-2.47%	Disposed
Jan. 24, 2016	28412	F	554	$33.67	$18,653	18,676 Direct	-2.88%	Disposed
Nov. 16, 2015	28412	F	632	$45.53	$28,775	19,226 Direct	-3.18%	Disposed
Feb. 24, 2015	28412	A	810	—	—	19,845 Direct	+4.26%	Acquired
Jan. 27, 2015	28412	A	3,060	—	—	3,060 Direct	—	Acquired
Jan. 27, 2015	28412	A	1,240	—	—	19,035 Direct	+6.97%	Acquired
Jan. 25, 2015	28412	F	386	$41.87	$16,162	17,795 Direct	-2.12%	Disposed
Jan. 24, 2015	28412	F	1,055	$41.87	$44,173	18,181 Direct	-5.48%	Disposed
Aug. 7, 2014	28412	S	1,873	$49.30	$92,339	19,228 Direct	-8.88%	Disposed
Aug. 6, 2014	28412	M	12,000	—	—	0 Direct	-100.00%	Disposed
Aug. 6, 2014	28412	J	10,127	$49.15	$497,742	21,101 Direct	-32.43%	Disposed
Aug. 6, 2014	28412	M	12,000	$34.78	$417,360	31,228 Direct	+62.41%	Acquired
March 4, 2014	28412	S	602	$48.46	$29,173	19,221 Direct	-3.04%	Disposed
March 3, 2014	28412	M	4,150	—	—	0 Direct	-100.00%	Disposed
March 3, 2014	28412	F	3,548	$47.54	$168,672	19,873 Direct	-15.15%	Disposed
March 3, 2014	28412	M	4,150	$37.45	$155,418	23,371 Direct	+21.59%	Acquired
Feb. 25, 2014	28412	A	810	—	—	19,221 Direct	+4.40%	Acquired
Jan. 27, 2014	28412	F	231	$46.57	$10,758	18,411 Direct	-1.24%	Disposed
Jan. 25, 2014	28412	F	905	$47.23	$42,743	18,642 Direct	-4.63%	Disposed
Jan. 21, 2014	28412	A	2,592	—	—	2,592 Direct	—	Acquired
Jan. 21, 2014	28412	A	1,014	—	—	19,547 Direct	+5.47%	Acquired
Nov. 20, 2013	28412	M	3,750	—	—	0 Direct	-100.00%	Disposed
Nov. 20, 2013	28412	S	3,750	$44.85	$168,188	18,530 Direct	-16.83%	Disposed
Nov. 20, 2013	28412	M	3,750	$17.32	$64,950	22,280 Direct	+20.24%	Acquired

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
Jan. 23, 2024	28412	Employee Stock Option (right to buy)	Common Stock (3,445)	$53.96	Jan. 23, 2034	3,445	Acquired
Jan. 23, 2018	28412	Employee Stock Option (right to buy)	Common Stock (1,715)	$95.25	Jan. 23, 2028	1,715	Acquired
Nov. 10, 2017	28412	Employee Stock Option (right to buy)	Common Stock (1,066)	$32.97	Jan. 26, 2026	1,066	Disposed
Nov. 10, 2017	28412	Employee Stock Option (right to buy)	Common Stock (1,530)	$42.32	Jan. 27, 2025	1,530	Disposed
Nov. 10, 2017	28412	Employee Stock Option (right to buy)	Common Stock (2,000)	$33.79	Jan. 22, 2023	2,000	Disposed
Jan. 31, 2017	28412	Employee Stock Option (right to buy)	Common Stock (10,800)	$39.10	Jan. 25, 2021	10,800	Disposed
Jan. 24, 2017	28412	Employee Stock Option (right to buy)	Common Stock (2,210)	$67.66	Jan. 24, 2027	2,210	Acquired
Nov. 22, 2016	28412	Employee Stock Option (right to buy)	Common Stock (4,000)	$58.98	Jan. 23, 2017	4,000	Disposed
Oct. 31, 2016	28412	Employee Stock Option (right to buy)	Common Stock (8,000)	$29.60	Jan. 24, 2022	8,000	Disposed
Jan. 26, 2016	28412	Employee Stock Option (right to buy)	Common Stock (4,265)	$32.97	Jan. 26, 2026	4,265	Acquired
Jan. 27, 2015	28412	Employee Stock Option (right to buy)	Common Stock (3,060)	$42.32	Jan. 27, 2025	3,060	Acquired
Aug. 6, 2014	28412	Employee Stock Option (right to buy)	Common Stock (12,000)	$34.78	Jan. 26, 2020	12,000	Disposed
March 3, 2014	28412	Employee Stock Option (right to buy)	Common Stock (4,150)	$37.45	Jan. 22, 2018	4,150	Disposed
Jan. 21, 2014	28412	Employee Stock Option (right to buy)	Common Stock (2,592)	$49.51	Jan. 21, 2024	2,592	Acquired
Nov. 20, 2013	28412	Employee Stock Option (right to buy)	Common Stock (3,750)	$17.32	Jan. 27, 2019	3,750	Disposed

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