Richard L Mack

Insider

First SEC filing: June 9, 2026 · Latest: June 9, 2026

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 93 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

93 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 8, 2026	TITN	A	3,353	—	—	49,824	—	—	(price as of 2026-08-20)
June 2, 2025	TITN	A	4,322	—	—	46,471 Direct	+10.25%	Acquired	(price as of 2026-08-20)
June 3, 2024	TITN	A	4,396	—	—	42,149 Direct	+11.64%	Acquired	(price as of 2026-08-20)
June 5, 2023	TITN	A	2,989	—	—	37,753 Direct	+8.60%	Acquired	(price as of 2026-08-20)
June 6, 2022	TITN	A	2,889	—	—	34,764 Direct	+9.06%	Acquired	(price as of 2026-08-20)
June 7, 2021	TITN	A	2,146	—	—	31,875 Direct	+7.22%	Acquired	(price as of 2026-08-20)
June 8, 2020	TITN	A	6,103	—	—	29,729 Direct	+25.83%	Acquired	(price as of 2026-08-20)
June 6, 2019	TITN	A	4,361	—	—	23,626 Direct	+22.64%	Acquired	(price as of 2026-08-20)
June 7, 2018	TITN	A	4,037	—	—	19,265 Direct	+26.51%	Acquired	(price as of 2026-08-20)
June 1, 2017	TITN	A	3,982	—	—	15,228 Direct	+35.41%	Acquired	(price as of 2026-08-20)
May 14, 2017	MOS	M	7,316	—	—	143,417 Direct	+5.38%	Acquired	(price as of 2026-08-20)
May 14, 2017	MOS	F	3,790	$22.91	$86,829	139,627 Direct	-2.64%	Disposed	-0.1% (price as of 2026-08-20)
May 14, 2017	MOS	M	7,316	—	—	7,317 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 4, 2017	MOS	P	7,500	$23.35	$175,125	136,101 Direct	+5.83%	Acquired	-2.0% (price as of 2026-08-20)
March 7, 2017	MOS	A	4,893	—	—	127,260 Direct	+4.00%	Acquired	(price as of 2026-08-20)
March 7, 2017	MOS	M	8,043	—	—	135,303 Direct	+6.32%	Acquired	(price as of 2026-08-20)
March 7, 2017	MOS	F	6,702	$29.18	$195,564	128,601 Direct	-4.95%	Disposed	-21.6% (price as of 2026-08-20)
March 7, 2017	MOS	M	8,043	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 2, 2017	MOS	A	50,454	—	—	50,454 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2017	MOS	A	36,607	—	—	141,325 Direct	+34.96%	Acquired	(price as of 2026-08-20)
Feb. 24, 2017	MOS	F	18,958	$31.42	$595,660	122,367 Direct	-13.41%	Disposed	-27.2% (price as of 2026-08-20)
July 18, 2016	MOS	F	5,607	$29.28	$164,173	104,718 Direct	-5.08%	Disposed	-21.9% (price as of 2026-08-20)
July 18, 2016	MOS	M	7,403	—	—	106,906 Direct	+7.44%	Acquired	(price as of 2026-08-20)
July 18, 2016	MOS	A	3,419	—	—	110,325 Direct	+3.20%	Acquired	(price as of 2026-08-20)
July 18, 2016	MOS	F	5,608	$29.28	$164,202	104,717 Direct	-5.08%	Disposed	-21.9% (price as of 2026-08-20)
July 18, 2016	MOS	M	7,403	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2016	TITN	A	6,548	—	—	11,246 Direct	+139.38%	Acquired	(price as of 2026-08-20)
May 14, 2016	MOS	M	7,316	—	—	103,030 Direct	+7.64%	Acquired	(price as of 2026-08-20)
May 14, 2016	MOS	F	3,527	$24.84	$87,611	99,503 Direct	-3.42%	Disposed	-7.9% (price as of 2026-08-20)
May 14, 2016	MOS	M	7,316	—	—	14,633 Direct	-33.33%	Disposed	(price as of 2026-08-20)
May 13, 2016	MOS	M	37,819	$15.45	$584,304	122,843 Direct	+44.48%	Acquired	48.1% (price as of 2026-08-20)
May 13, 2016	MOS	S	27,129	$25.23	$684,465	95,714 Direct	-22.08%	Disposed	-9.3% (price as of 2026-08-20)
May 13, 2016	MOS	M	37,819	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 12, 2016	MOS	M	9,500	$15.45	$146,775	94,524 Direct	+11.17%	Acquired	48.1% (price as of 2026-08-20)
May 12, 2016	MOS	S	9,500	$26.00	$247,000	85,024 Direct	-10.05%	Disposed	-12.0% (price as of 2026-08-20)
May 12, 2016	MOS	M	9,500	—	—	37,819 Direct	-20.08%	Disposed	(price as of 2026-08-20)
March 3, 2016	MOS	A	51,772	—	—	51,772 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2016	MOS	A	48,202	—	—	48,202 Direct	—	Acquired	(price as of 2026-08-20)
July 19, 2015	MOS	M	6,942	—	—	85,694 Direct	+8.82%	Acquired	(price as of 2026-08-20)
July 19, 2015	MOS	A	5,168	—	—	90,862 Direct	+6.03%	Acquired	(price as of 2026-08-20)
July 19, 2015	MOS	F	5,838	$45.26	$264,228	85,024 Direct	-6.43%	Disposed	-49.4% (price as of 2026-08-20)
July 19, 2015	MOS	M	6,942	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 4, 2015	TITN	A	4,698	—	—	4,698 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2015	MOS	M 10b5-1	9,582	$17.29	$165,673	88,334 Direct	+12.17%	Acquired	32.3% (price as of 2026-08-20)
June 1, 2015	MOS	S 10b5-1	9,582	$45.44	$435,406	78,752 Direct	-10.85%	Disposed	-49.6% (price as of 2026-08-20)
June 1, 2015	MOS	M	9,582	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 22, 2015	MOS	M 10b5-1	1,100	$17.29	$19,019	79,852 Direct	+1.40%	Acquired	32.3% (price as of 2026-08-20)
May 22, 2015	MOS	M 10b5-1	1,100	—	—	9,582 Direct	-10.30%	Disposed	(price as of 2026-08-20)
May 21, 2015	MOS	M 10b5-1	25,700	$17.29	$444,353	104,452 Direct	+32.63%	Acquired	32.3% (price as of 2026-08-20)
May 21, 2015	MOS	S 10b5-1	25,700	$47.51	$1,221,007	78,752 Direct	-24.60%	Disposed	-51.8% (price as of 2026-08-20)
May 21, 2015	MOS	S 10b5-1	1,100	$47.50	$52,250	78,752 Direct	-1.38%	Disposed	-51.8% (price as of 2026-08-20)
May 21, 2015	MOS	M 10b5-1	25,700	—	—	10,682 Direct	-70.64%	Disposed	(price as of 2026-08-20)
May 14, 2015	MOS	A	21,949	—	—	21,949 Direct	—	Acquired	(price as of 2026-08-20)
March 5, 2015	MOS	A	24,249	—	—	24,249 Direct	—	Acquired	(price as of 2026-08-20)
July 21, 2014	MOS	M	4,720	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 21, 2014	MOS	F	23,020	$47.23	$1,087,235	78,752 Direct	-22.62%	Disposed	-51.6% (price as of 2026-08-20)
July 21, 2014	MOS	A	42,345	—	—	101,772 Direct	+71.26%	Acquired	(price as of 2026-08-20)
July 21, 2014	MOS	A	3,044	—	—	59,427 Direct	+5.40%	Acquired	(price as of 2026-08-20)
July 21, 2014	MOS	M	4,720	—	—	56,383 Direct	+9.14%	Acquired	(price as of 2026-08-20)
March 7, 2014	MOS	A	8,043	—	—	8,043 Direct	—	Acquired	(price as of 2026-08-20)
March 7, 2014	MOS	A	21,288	—	—	21,288 Direct	—	Acquired	(price as of 2026-08-20)
July 27, 2013	MOS	M	8,346	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 27, 2013	MOS	F	2,805	—	—	51,663 Direct	-5.15%	Disposed	(price as of 2026-08-20)
July 27, 2013	MOS	M	8,346	—	—	54,468 Direct	+18.10%	Acquired	(price as of 2026-08-20)
July 18, 2013	MOS	A	7,403	—	—	7,403 Direct	—	Acquired	(price as of 2026-08-20)
July 18, 2013	MOS	A	18,939	—	—	18,939 Direct	—	Acquired	(price as of 2026-08-20)
July 27, 2012	MOS	M	9,674	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 27, 2012	MOS	F	3,164	$58.73	$185,822	46,122 Direct	-6.42%	Disposed	-61.0% (price as of 2026-08-20)
July 27, 2012	MOS	M	9,674	—	—	49,286 Direct	+24.42%	Acquired	(price as of 2026-08-20)
July 19, 2012	MOS	A	6,942	—	—	6,942 Direct	—	Acquired	(price as of 2026-08-20)
July 19, 2012	MOS	A	17,483	—	—	17,483 Direct	—	Acquired	(price as of 2026-08-20)
July 31, 2011	MOS	M	2,948	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 31, 2011	MOS	F	1,259	$70.72	$89,036	39,612 Direct	-3.08%	Disposed	-67.6% (price as of 2026-08-20)
July 31, 2011	MOS	M	2,948	—	—	40,871 Direct	+7.77%	Acquired	(price as of 2026-08-20)
July 21, 2011	MOS	A	4,720	—	—	4,720 Direct	—	Acquired	(price as of 2026-08-20)
July 21, 2011	MOS	A	10,767	—	—	10,767 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 27, 2011	MOS	M	10,000	—	—	36,382 Direct	-21.56%	Disposed	(price as of 2026-08-20)
Jan. 27, 2011	MOS	M	10,384	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 27, 2011	MOS	S	20,384	$78.64	$1,602,998	37,923 Direct	-34.96%	Disposed	-70.9% (price as of 2026-08-20)
Jan. 27, 2011	MOS	M	10,000	$17.29	$172,900	58,307 Direct	+20.70%	Acquired	32.3% (price as of 2026-08-20)
Jan. 27, 2011	MOS	M	10,384	$15.04	$156,175	48,307 Direct	+27.38%	Acquired	52.1% (price as of 2026-08-20)
Aug. 2, 2010	MOS	M	8,119	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 2, 2010	MOS	F	2,655	$49.39	$131,130	37,923 Direct	-6.54%	Disposed	-53.7% (price as of 2026-08-20)
Aug. 2, 2010	MOS	M	8,119	—	—	40,578 Direct	+25.01%	Acquired	(price as of 2026-08-20)
July 27, 2010	MOS	A	8,346	—	—	8,346 Direct	—	Acquired	(price as of 2026-08-20)
July 27, 2010	MOS	A	15,194	—	—	15,194 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 6, 2009	MOS	M	3,368	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 6, 2009	MOS	F	1,439	$47.89	$68,914	32,459 Direct	-4.25%	Disposed	-52.2% (price as of 2026-08-20)
Oct. 6, 2009	MOS	M	3,368	—	—	33,898 Direct	-9.04%	Disposed	(price as of 2026-08-20)
Aug. 4, 2009	MOS	M	15,773	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 4, 2009	MOS	F	5,214	$53.68	$279,888	30,530 Direct	-14.59%	Disposed	-57.4% (price as of 2026-08-20)
Aug. 4, 2009	MOS	M	15,773	—	—	35,744 Direct	-30.62%	Disposed	(price as of 2026-08-20)
July 27, 2009	MOS	A	9,674	—	—	9,674 Direct	—	Acquired	(price as of 2026-08-20)
July 27, 2009	MOS	A	10,216	—	—	10,216 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 29, 2008	MOS	F	7,099	$33.65	$238,881	19,971 Direct	-26.22%	Disposed	-32.0% (price as of 2026-08-20)
Oct. 29, 2008	MOS	M	16,623	—	—	27,070 Direct	+159.12%	Acquired	(price as of 2026-08-20)
Oct. 28, 2008	MOS	M	16,623	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 1, 2008	MOS	M	15,461	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 31, 2008	MOS	A	2,948	—	—	2,948 Direct	—	Acquired	(price as of 2026-08-20)
July 31, 2008	MOS	A	5,486	—	—	5,486 Direct	—	Acquired	(price as of 2026-08-20)

Showing latest 100 of 112 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
May 14, 2017	MOS	Restricted Stock Units	Common Stock (7,316)	—	—	7,316	Disposed
March 7, 2017	MOS	Restricted Stock Units	Common Stock (8,043)	—	—	8,043	Disposed
March 2, 2017	MOS	Stock Option (Right to Buy)	Common Stock (50,454)	$30.42	March 2, 2027	50,454	Acquired
July 18, 2016	MOS	Restricted Stock Units	Common Stock (7,403)	—	—	7,403	Disposed
May 14, 2016	MOS	Restricted Stock Units	Common Stock (7,316)	—	—	7,316	Disposed
May 13, 2016	MOS	Stock Option (Right to Buy)	Common Stock (37,819)	$15.45	Aug. 4, 2016	37,819	Disposed
May 12, 2016	MOS	Stock Option (Right to Buy)	Common Stock (9,500)	$15.45	Aug. 4, 2016	9,500	Disposed
March 3, 2016	MOS	Stock Option (Right to Buy)	Common Stock (51,772)	$28.49	March 3, 2026	51,772	Acquired
March 3, 2016	MOS	Stock Option (Right to Buy)	Common Stock (48,202)	$28.49	March 3, 2026	48,202	Acquired
July 19, 2015	MOS	Restricted Stock Units	Common Stock (6,942)	—	—	6,942	Disposed
June 1, 2015	MOS	Stock Option (Right to Buy)	Common Stock (9,582)	$17.29	Aug. 1, 2015	9,582	Disposed
May 22, 2015	MOS	Stock Option (Right to Buy)	Common Stock (1,100)	$17.29	Aug. 1, 2015	1,100	Disposed
May 21, 2015	MOS	Stock Option (Right to Buy)	Common Stock (25,700)	$17.29	Aug. 1, 2015	25,700	Disposed
May 14, 2015	MOS	Restricted Stock Units	Common Stock (21,949)	—	—	21,949	Acquired
March 5, 2015	MOS	Stock Option (Right to Buy)	Common Stock (24,249)	$50.43	March 5, 2025	24,249	Acquired
July 21, 2014	MOS	Restricted Stock Units	Common Stock (4,720)	—	—	4,720	Disposed
March 7, 2014	MOS	Restricted Stock Units	Common Stock (8,043)	—	—	8,043	Acquired
March 7, 2014	MOS	Stock Option (Right to Buy)	Common Stock (21,288)	$49.73	March 7, 2024	21,288	Acquired
July 27, 2013	MOS	Restricted Stock Units	Common Stock (8,346)	—	—	8,346	Disposed
July 18, 2013	MOS	Restricted Stock Units	Common Stock (7,403)	—	—	7,403	Acquired
July 18, 2013	MOS	Stock Option (Right to Buy)	Common Stock (18,939)	$54.03	July 18, 2023	18,939	Acquired
July 27, 2012	MOS	Restricted Stock Units	Common Stock (9,674)	—	—	9,674	Disposed
July 19, 2012	MOS	Restricted Stock Units	Common Stock (6,942)	—	—	6,942	Acquired
July 19, 2012	MOS	Stock Option (Right to Buy)	Common Stock (17,483)	$57.62	July 19, 2022	17,483	Acquired
July 31, 2011	MOS	Restricted Stock Units	Common Stock (2,948)	—	—	2,948	Disposed
July 21, 2011	MOS	Restricted Stock Units	Common Stock (4,720)	—	—	4,720	Acquired
July 21, 2011	MOS	Stock Option (Right to Buy)	Common Stock (10,767)	$70.62	July 21, 2021	10,767	Acquired
Jan. 27, 2011	MOS	Stock Option (right to buy)	Common Stock (10,000)	$17.29	Aug. 1, 2015	10,000	Disposed
Jan. 27, 2011	MOS	Stock Option (right to buy)	Common Stock (10,384)	$15.04	Oct. 29, 2014	10,384	Disposed
Aug. 2, 2010	MOS	Restricted Stock Units	Common Stock (8,119)	—	—	8,119	Disposed
July 27, 2010	MOS	Restricted Stock Units	Common Stock (8,346)	—	—	8,346	Acquired
July 27, 2010	MOS	Stock Option (Right to Buy)	Common Stock (15,194)	$44.93	July 27, 2020	15,194	Acquired
Oct. 6, 2009	MOS	Restricted Stock Units	Common Stock (3,368)	—	—	3,368	Disposed
Aug. 4, 2009	MOS	Restricted Stock Units	Common Stock (15,773)	—	—	15,773	Disposed
July 27, 2009	MOS	Restricted Stock Units	Common Stock (9,674)	—	—	9,674	Acquired
July 27, 2009	MOS	Stock Option (Right to Buy)	Common Stock (10,216)	$52.72	July 27, 2019	10,216	Acquired
Oct. 28, 2008	MOS	Restricted Stock Units	Common Stock (16,623)	—	—	16,623	Disposed
Aug. 1, 2008	MOS	Restricted Stock Units	Common Stock (15,461)	—	—	15,461	Disposed
July 31, 2008	MOS	Restricted Stock Units	Common Stock (2,948)	—	—	2,948	Acquired
July 31, 2008	MOS	Stock Option (Right to Buy)	Common Stock (5,486)	$127.21	July 31, 2018	5,486	Acquired
Aug. 2, 2007	MOS	Restricted Stock Units	Common Stock (8,119)	—	—	8,119	Acquired
Aug. 2, 2007	MOS	Stock Option (Right to Buy)	Common Stock (19,368)	$40.03	Aug. 2, 2017	19,368	Acquired
Oct. 6, 2006	MOS	Restricted Stock Units	Common Stock (3,368)	—	—	3,368	Acquired
Aug. 4, 2006	MOS	Stock Option (right to buy)	Common Stock (47,319)	$15.45	Aug. 4, 2016	47,319	Acquired
Aug. 4, 2006	MOS	Restricted Stock Units	Common Stock (15,773)	$0.00	—	15,773	Acquired
Aug. 1, 2005	MOS	Grant of Stock Option	Common Stock (46,382)	$17.29	Aug. 1, 2015	46,382	Acquired
Aug. 1, 2005	MOS	Grant of Restricted Stock Units	Common Stock (15,461)	$0.00	—	15,461	Acquired
Oct. 29, 2004	MOS	Grant of Stock Option	Common Stock (10,384)	$15.04	Oct. 29, 2014	10,384	Acquired
Oct. 29, 2004	MOS	Grant of Restricted Stock Units	Common Stock (16,623)	$0.00	—	16,623	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Oct. 22, 2004	MOS	Common Stock	0	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MOS

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2018	$267,917	—	—	—	—	—	$3,966,567	$4,234,484
2017	$639,833	—	$999,993	$499,999	$528,900	$11,100	$331,539	$3,011,364
2016	$624,000	—	$866,662	$433,332	$499,200	$30,500	$204,725	$2,658,419

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.