Michael J. Watson

Insider

First SEC filing: Oct. 3, 2018 · Latest: Oct. 3, 2018

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

WM selling March 2, 2026

Insider transactions

0 buys (P) 3 sells (S) Net: $-4,322,552 + 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
March 3, 2026	WM	A	6,804	—	—	6,804 Direct	—	Acquired	(price as of 2026-08-19)
March 2, 2026	WM	M	12,642	$126.00	$1,592,892	61,397 Direct	+25.93%	Acquired	80.1% (price as of 2026-08-19)
March 2, 2026	WM	S	4,609	$241.83	$1,114,594	56,788 Direct	-7.51%	Disposed	-6.2% (price as of 2026-08-19)
March 2, 2026	WM	S	12,642	$241.81	$3,056,962	44,146 Direct	-22.26%	Disposed	-6.2% (price as of 2026-08-19)
March 2, 2026	WM	M	12,642	$126.00	$1,592,892	0 Direct	-100.00%	Disposed	80.1% (price as of 2026-08-19)
Jan. 30, 2026	WM	S 10b5-1	687	$219.79	$150,996	48,755 Direct	-1.39%	Disposed	3.2% (price as of 2026-08-19)
Jan. 29, 2026	WM	A	8,668	$226.41	$1,962,522	52,814 Direct	+19.63%	Acquired	0.2% (price as of 2026-08-19)
Jan. 29, 2026	WM	F	3,372	$226.41	$763,455	49,442 Direct	-6.38%	Disposed	0.2% (price as of 2026-08-19)
March 5, 2025	WM	S	1,547	$228.11	$352,886	44,037 Direct	-3.39%	Disposed	-0.5% (price as of 2026-08-19)
March 1, 2025	WM	F	2,008	$231.37	$464,591	45,584 Direct	-4.22%	Disposed	-1.9% (price as of 2026-08-19)
Feb. 25, 2025	WM	A	6,744	—	—	6,744 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 24, 2025	WM	M	11,594	$110.81	$1,284,731	61,319 Direct	+23.32%	Acquired	104.7% (price as of 2026-08-19)
Feb. 24, 2025	WM	S	5,732	$227.51	$1,304,087	55,587 Direct	-9.35%	Disposed	-0.3% (price as of 2026-08-19)
Feb. 24, 2025	WM	F	7,995	$227.13	$1,815,904	47,592 Direct	-14.38%	Disposed	-0.1% (price as of 2026-08-19)
Feb. 24, 2025	WM	M	11,594	$110.81	$1,284,731	0 Direct	-100.00%	Disposed	104.7% (price as of 2026-08-19)
Jan. 31, 2025	WM	S 10b5-1	693	$220.24	$152,626	49,725 Direct	-1.37%	Disposed	3.0% (price as of 2026-08-19)
Jan. 30, 2025	WM	A	9,062	$218.72	$1,982,041	53,323 Direct	+20.47%	Acquired	3.7% (price as of 2026-08-19)
Jan. 30, 2025	WM	F	2,905	$218.72	$635,382	50,418 Direct	-5.45%	Disposed	3.7% (price as of 2026-08-19)
July 16, 2024	WM	S	1,500	$220.00	$330,000	44,144 Direct	-3.29%	Disposed	3.1% (price as of 2026-08-19)
June 6, 2024	WM	S	2,104	$204.50	$430,268	47,748 Direct	-4.22%	Disposed	10.9% (price as of 2026-08-19)
June 6, 2024	WM	S	2,104	$204.07	$429,363	45,644 Direct	-4.41%	Disposed	11.2% (price as of 2026-08-19)
March 1, 2024	WM	A	6,605	—	—	6,605 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 14, 2024	WM	S 10b5-1	775	$198.62	$153,930	49,852 Direct	-1.53%	Disposed	14.2% (price as of 2026-08-19)
Feb. 13, 2024	WM	A	14,036	$196.84	$2,762,846	55,471 Direct	+33.87%	Acquired	15.3% (price as of 2026-08-19)
Feb. 13, 2024	WM	F	4,844	$196.84	$953,493	50,627 Direct	-8.73%	Disposed	15.3% (price as of 2026-08-19)
Nov. 20, 2023	WM	M	16,367	$98.90	$1,618,696	55,716 Direct	+41.59%	Acquired	129.4% (price as of 2026-08-19)
Nov. 20, 2023	WM	S	14,288	$170.44	$2,435,247	41,428 Direct	-25.64%	Disposed	33.1% (price as of 2026-08-19)
Nov. 20, 2023	WM	M	16,367	$98.89	$1,618,533	0 Direct	-100.00%	Disposed	129.4% (price as of 2026-08-19)
March 7, 2023	WM	A	8,653	—	—	8,653 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 2, 2023	WM	S 10b5-1	1,005	$151.67	$152,428	39,198 Direct	-2.50%	Disposed	49.6% (price as of 2026-08-19)
Feb. 1, 2023	WM	F	3,602	$152.10	$547,864	40,202 Direct	-8.22%	Disposed	49.2% (price as of 2026-08-19)
Feb. 1, 2023	WM	M	11,578	$152.10	$1,761,014	43,804 Direct	+35.93%	Acquired	49.2% (price as of 2026-08-19)
Feb. 1, 2023	WM	F	3,601	$152.10	$547,712	40,203 Direct	-8.22%	Disposed	49.2% (price as of 2026-08-19)
Aug. 11, 2022	WM	M	5,443	$73.33	$399,135	37,664 Direct	+16.89%	Acquired	209.4% (price as of 2026-08-19)
Aug. 11, 2022	WM	M	3,528	$85.34	$301,080	41,192 Direct	+9.37%	Acquired	165.8% (price as of 2026-08-19)
Aug. 11, 2022	WM	S	8,971	$169.83	$1,523,545	32,221 Direct	-21.78%	Disposed	33.6% (price as of 2026-08-19)
Aug. 11, 2022	WM	M	3,528	$85.34	$301,080	0 Direct	-100.00%	Disposed	165.8% (price as of 2026-08-19)
Aug. 11, 2022	WM	M	5,443	$73.33	$399,135	0 Direct	-100.00%	Disposed	209.4% (price as of 2026-08-19)
March 1, 2022	WM	A	5,102	—	—	32,072 Direct	+18.92%	Acquired	(price as of 2026-08-19)
March 1, 2022	WM	A	8,321	—	—	8,321 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 16, 2022	WM	S 10b5-1	1,080	$141.91	$153,263	26,970 Direct	-3.85%	Disposed	59.9% (price as of 2026-08-19)
Feb. 15, 2022	WM	A	15,487	$142.62	$2,208,756	33,115 Direct	+87.85%	Acquired	59.1% (price as of 2026-08-19)
Feb. 15, 2022	WM	F	5,065	$142.62	$722,370	28,050 Direct	-15.30%	Disposed	59.1% (price as of 2026-08-19)
May 4, 2021	WM	M	4,430	$56.24	$249,143	21,847 Direct	+25.43%	Acquired	303.4% (price as of 2026-08-19)
May 4, 2021	WM	S	4,430	$140.55	$622,636	17,417 Direct	-20.28%	Disposed	61.4% (price as of 2026-08-19)
May 4, 2021	WM	M	4,430	$56.24	$249,143	0 Direct	-100.00%	Disposed	303.4% (price as of 2026-08-19)
Feb. 23, 2021	WM	A	11,594	—	—	11,594 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 22, 2021	WM	S 10b5-1	78	$109.70	$8,557	17,417 Direct	-0.45%	Disposed	106.8% (price as of 2026-08-19)
Feb. 20, 2021	WM	F	121	$112.20	$13,576	17,495 Direct	-0.69%	Disposed	102.2% (price as of 2026-08-19)
Feb. 19, 2021	WM	S 10b5-1	432	$111.29	$48,077	17,616 Direct	-2.39%	Disposed	103.9% (price as of 2026-08-19)
Feb. 18, 2021	WM	A	2,759	$112.36	$310,001	18,748 Direct	+17.26%	Acquired	101.9% (price as of 2026-08-19)
Feb. 18, 2021	WM	F	700	$112.36	$78,652	18,048 Direct	-3.73%	Disposed	101.9% (price as of 2026-08-19)
Nov. 4, 2020	WM	M	7,342	$54.64	$401,167	23,296 Direct	+46.02%	Acquired	315.2% (price as of 2026-08-19)
Nov. 4, 2020	WM	M	2,100	$56.24	$118,104	25,396 Direct	+9.01%	Acquired	303.4% (price as of 2026-08-19)
Nov. 4, 2020	WM	S	9,442	$117.43	$1,108,774	15,954 Direct	-37.18%	Disposed	93.2% (price as of 2026-08-19)
Nov. 4, 2020	WM	M	7,342	$54.64	$401,167	0 Direct	-100.00%	Disposed	315.2% (price as of 2026-08-19)
Nov. 4, 2020	WM	M	2,100	$56.24	$118,104	4,430 Direct	-32.16%	Disposed	303.4% (price as of 2026-08-19)
March 2, 2020	WM	S 10b5-1	88	$113.65	$10,001	15,767 Direct	-0.56%	Disposed	99.6% (price as of 2026-08-19)
Feb. 28, 2020	WM	F	145	$109.29	$15,847	15,855 Direct	-0.91%	Disposed	107.6% (price as of 2026-08-19)
Feb. 19, 2020	WM	A	12,642	—	—	12,642 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 14, 2020	WM	S 10b5-1	529	$125.06	$66,157	16,000 Direct	-3.20%	Disposed	81.4% (price as of 2026-08-19)
Feb. 13, 2020	WM	A	3,505	$124.06	$434,830	17,416 Direct	+25.20%	Acquired	82.9% (price as of 2026-08-19)
Feb. 13, 2020	WM	F	887	$124.06	$110,041	16,529 Direct	-5.09%	Disposed	82.9% (price as of 2026-08-19)
Nov. 21, 2019	WM	S	1,000	$112.00	$112,000	13,857 Direct	-6.73%	Disposed	102.6% (price as of 2026-08-19)
Sept. 3, 2019	WM	M	7,865	$41.37	$325,375	17,254 Direct	+83.77%	Acquired	448.4% (price as of 2026-08-19)
Sept. 3, 2019	WM	M	4,895	$36.88	$180,528	22,149 Direct	+28.37%	Acquired	515.2% (price as of 2026-08-19)
Sept. 3, 2019	WM	M	727	$37.18	$27,030	22,876 Direct	+3.28%	Acquired	510.2% (price as of 2026-08-19)
Sept. 3, 2019	WM	S	8,019	$119.40	$957,469	14,857 Direct	-35.05%	Disposed	90.0% (price as of 2026-08-19)
Sept. 3, 2019	WM	M	7,865	$41.37	$325,375	0 Direct	-100.00%	Disposed	448.4% (price as of 2026-08-19)
Sept. 3, 2019	WM	M	4,895	$36.88	$180,528	0 Direct	-100.00%	Disposed	515.2% (price as of 2026-08-19)
Sept. 3, 2019	WM	M	727	$37.18	$27,030	0 Direct	-100.00%	Disposed	510.2% (price as of 2026-08-19)
May 7, 2019	WM	S	400	$104.55	$41,820	9,118 Direct	-4.20%	Disposed	117.0% (price as of 2026-08-19)
May 7, 2019	WM	S	300	$104.55	$31,365	9,518 Direct	-3.06%	Disposed	117.0% (price as of 2026-08-19)
Feb. 27, 2019	WM	S 10b5-1	119	$100.14	$11,917	9,818 Direct	-1.20%	Disposed	126.6% (price as of 2026-08-19)
Feb. 26, 2019	WM	F	189	$99.59	$18,823	9,937 Direct	-1.87%	Disposed	127.8% (price as of 2026-08-19)
Feb. 19, 2019	WM	A	16,367	—	—	16,367 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 15, 2019	WM	S 10b5-1	707	$98.78	$69,837	10,126 Direct	-6.53%	Disposed	129.7% (price as of 2026-08-19)
Feb. 14, 2019	WM	A	4,656	$98.61	$459,128	11,963 Direct	+63.72%	Acquired	130.1% (price as of 2026-08-19)
Feb. 14, 2019	WM	F	1,130	$98.61	$111,429	10,833 Direct	-9.45%	Disposed	130.1% (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
March 3, 2026	WM	Stock Option (Right to Buy) [F1]	Common Stock (6,804)	$241.55	March 3, 2036	6,804	Acquired
March 2, 2026	WM	Stock Option (Right to Buy)	Common Stock (12,642)	$126.00	Feb. 19, 2030	12,642	Disposed
Feb. 25, 2025	WM	Stock Option (Right to Buy) [F1]	Common Stock (6,744)	$231.20	Feb. 25, 2035	6,744	Acquired
Feb. 24, 2025	WM	Stock Option (Right to Buy)	Common Stock (11,594)	$110.81	Feb. 23, 2031	11,594	Disposed
March 1, 2024	WM	Stock Option (Right to Buy) [F1]	Common Stock (6,605)	$204.76	March 1, 2034	6,605	Acquired
Nov. 20, 2023	WM	Stock Option (Right to Buy) [F2]	Common Stock (16,367)	$98.90	Feb. 19, 2029	16,367	Disposed
March 7, 2023	WM	Stock Option (Right to Buy) [F1]	Common Stock (8,653)	$150.12	March 7, 2033	8,653	Acquired
Aug. 11, 2022	WM	Stock Option (Right to Buy) [F2]	Common Stock (3,528)	$85.34	Feb. 20, 2028	3,528	Disposed
Aug. 11, 2022	WM	Stock Option (Right to Buy) [F2]	Common Stock (5,443)	$73.33	Feb. 28, 2027	5,443	Disposed
March 1, 2022	WM	Stock Option (Right to Buy) [F2]	Common Stock (8,321)	$145.67	March 1, 2033	8,321	Acquired
May 4, 2021	WM	Stock Option (Right to Buy) [F2]	Common Stock (4,430)	$56.24	Feb. 26, 2026	4,430	Disposed
Feb. 23, 2021	WM	Stock Option (Right to Buy) [F1]	Common Stock (11,594)	$110.81	Feb. 23, 2031	11,594	Acquired
Nov. 4, 2020	WM	Stock Option (Right to Buy) [F2]	Common Stock (7,342)	$54.64	Feb. 25, 2025	7,342	Disposed
Nov. 4, 2020	WM	Stock Option (Right to Buy) [F2]	Common Stock (2,100)	$56.24	Feb. 26, 2026	2,100	Disposed
Feb. 19, 2020	WM	Stock Option (Right to Buy) [F1]	Common Stock (12,642)	$126.00	Feb. 19, 2030	12,642	Acquired
Sept. 3, 2019	WM	Stock Option (Right to Buy) [F2]	Common Stock (7,865)	$41.37	March 7, 2024	7,865	Disposed
Sept. 3, 2019	WM	Stock Option (Right to Buy) [F2]	Common Stock (4,895)	$36.88	March 8, 2023	4,895	Disposed
Sept. 3, 2019	WM	Stock Option (Right to Buy) [F2]	Common Stock (727)	$37.18	March 9, 2021	727	Disposed
Feb. 19, 2019	WM	Stock Option (Right to Buy) [F1]	Common Stock (16,367)	$98.90	Feb. 19, 2029	16,367	Acquired

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

Initial ownership (Form 3) 9 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 3, 2018	WM	Common Stock	7,204	Direct
Oct. 3, 2018	WM	Common Stock	2,329	Indirect
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F1]→ Common Stock (4,895)	4,895	Direct
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F1]→ Common Stock (727)	727	Direct
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F1]→ Common Stock (7,865)	7,865	Direct
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F2]→ Common Stock (7,342)	7,342	Direct
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F2]→ Common Stock (6,530)	6,530	Direct
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F2]→ Common Stock (5,443)	5,443	Direct
Oct. 3, 2018	WM	Stock Option (Right to Buy) [F2]→ Common Stock (3,528)	3,528	Direct