Dean A Chin

Insider

First SEC filing: June 4, 2010 · Latest: June 4, 2010

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

ABM selling July 13, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-344,311 + 86 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

86 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 13, 2026	ABM	S	3,958	$45.31	$179,337	16,993 Direct	-18.89%	Disposed	4.0% (price as of 2026-08-21)
Jan. 10, 2026	ABM	A	3,293	—	—	22,314 Direct	+17.31%	Acquired	(price as of 2026-08-21)
Jan. 10, 2026	ABM	F	248	$44.69	$11,083	22,066 Direct	-1.11%	Disposed	5.4% (price as of 2026-08-21)
Jan. 10, 2026	ABM	F	1,232	$44.69	$55,058	20,834 Direct	-5.58%	Disposed	5.4% (price as of 2026-08-21)
Jan. 9, 2026	ABM	F	1,094	$44.69	$48,891	19,021 Direct	-5.44%	Disposed	5.4% (price as of 2026-08-21)
Jan. 8, 2026	ABM	A	4,855	—	—	20,115 Direct	+31.82%	Acquired	(price as of 2026-08-21)
Oct. 1, 2025	ABM	S	3,567	$46.25	$164,974	15,217 Direct	-18.99%	Disposed	1.9% (price as of 2026-08-21)
Jan. 14, 2025	ABM	S	4,281	$52.36	$224,153	18,681 Direct	-18.64%	Disposed	-10.0% (price as of 2026-08-21)
Jan. 10, 2025	ABM	F	241	$50.42	$12,151	22,962 Direct	-1.04%	Disposed	-6.5% (price as of 2026-08-21)
Jan. 9, 2025	ABM	A	3,649	—	—	23,771 Direct	+18.13%	Acquired	(price as of 2026-08-21)
Jan. 9, 2025	ABM	F	568	$50.97	$28,951	23,203 Direct	-2.39%	Disposed	-7.6% (price as of 2026-08-21)
Jan. 8, 2025	ABM	A	3,106	—	—	21,391 Direct	+16.99%	Acquired	(price as of 2026-08-21)
Jan. 8, 2025	ABM	F	1,269	$50.97	$64,681	20,122 Direct	-5.93%	Disposed	-7.6% (price as of 2026-08-21)
Jan. 7, 2025	ABM	F	256	$50.14	$12,836	18,285 Direct	-1.38%	Disposed	-6.0% (price as of 2026-08-21)
July 11, 2024	ABM	S	2,042	$50.70	$103,529	18,493 Direct	-9.94%	Disposed	-7.1% (price as of 2026-08-21)
May 6, 2024	ABM	A	29	—	—	20,535 Direct	+0.14%	Acquired	(price as of 2026-08-21)
March 22, 2024	ABM	S	5,465	$44.89	$245,324	19,972 Direct	-21.48%	Disposed	5.0% (price as of 2026-08-21)
Feb. 5, 2024	ABM	A	9	—	—	25,437 Direct	+0.04%	Acquired	(price as of 2026-08-21)
Jan. 10, 2024	ABM	F	206	$42.78	$8,813	25,428 Direct	-0.80%	Disposed	10.1% (price as of 2026-08-21)
Jan. 9, 2024	ABM	A	527	—	—	26,161 Direct	+2.06%	Acquired	(price as of 2026-08-21)
Jan. 9, 2024	ABM	A	3,531	—	—	25,634 Direct	+15.98%	Acquired	(price as of 2026-08-21)
Jan. 8, 2024	ABM	A	4,839	—	—	24,383 Direct	+24.76%	Acquired	(price as of 2026-08-21)
Jan. 8, 2024	ABM	F	2,280	$42.54	$96,991	22,103 Direct	-9.35%	Disposed	10.8% (price as of 2026-08-21)
Jan. 7, 2024	ABM	F	250	$42.45	$10,612	19,544 Direct	-1.26%	Disposed	11.0% (price as of 2026-08-21)
Nov. 6, 2023	ABM	A	21	—	—	19,793 Direct	+0.11%	Acquired	(price as of 2026-08-21)
Aug. 7, 2023	ABM	A	18	—	—	19,772 Direct	+0.09%	Acquired	(price as of 2026-08-21)
May 1, 2023	ABM	A	19	—	—	19,754 Direct	+0.10%	Acquired	(price as of 2026-08-21)
Feb. 13, 2023	ABM	S 10b5-1	2,815	$47.86	$134,726	19,735 Direct	-12.48%	Disposed	-1.5% (price as of 2026-08-21)
Feb. 6, 2023	ABM	A	17	—	—	22,550 Direct	+0.08%	Acquired	(price as of 2026-08-21)
Jan. 11, 2023	ABM	S 10b5-1	2,520	$45.92	$115,718	22,533 Direct	-10.06%	Disposed	2.6% (price as of 2026-08-21)
Jan. 10, 2023	ABM	A	1,684	—	—	25,053 Direct	+7.21%	Acquired	(price as of 2026-08-21)
Jan. 9, 2023	ABM	A	5,717	—	—	26,300 Direct	+27.78%	Acquired	(price as of 2026-08-21)
Jan. 9, 2023	ABM	F	2,156	$45.54	$98,184	23,369 Direct	-8.45%	Disposed	3.5% (price as of 2026-08-21)
Jan. 9, 2023	ABM	F	775	$45.54	$35,294	19,808 Direct	-3.77%	Disposed	3.5% (price as of 2026-08-21)
Jan. 8, 2023	ABM	F	189	$45.54	$8,607	20,583 Direct	-0.91%	Disposed	3.5% (price as of 2026-08-21)
Jan. 7, 2023	ABM	F	244	$46.21	$11,275	20,772 Direct	-1.16%	Disposed	2.0% (price as of 2026-08-21)
Nov. 7, 2022	ABM	A	23	—	—	21,017 Direct	+0.11%	Acquired	(price as of 2026-08-21)
Oct. 25, 2022	ABM	S 10b5-1	2,521	$43.00	$108,403	20,994 Direct	-10.72%	Disposed	9.6% (price as of 2026-08-21)
Aug. 16, 2022	ABM	S 10b5-1	1,209	$48.00	$58,032	23,515 Direct	-4.89%	Disposed	-1.8% (price as of 2026-08-21)
Aug. 1, 2022	ABM	A	22	—	—	24,724 Direct	+0.09%	Acquired	(price as of 2026-08-21)
July 14, 2022	ABM	F	1,350	$42.16	$56,916	24,702 Direct	-5.18%	Disposed	11.8% (price as of 2026-08-21)
May 2, 2022	ABM	A	36	—	—	29,709 Direct	+0.12%	Acquired	(price as of 2026-08-21)
May 2, 2022	ABM	S 10b5-1	3,657	$48.13	$176,011	26,052 Direct	-12.31%	Disposed	-2.1% (price as of 2026-08-21)
Feb. 7, 2022	ABM	A	41	—	—	29,673 Direct	+0.14%	Acquired	(price as of 2026-08-21)
Jan. 10, 2022	ABM	F	448	$43.28	$19,389	29,632 Direct	-1.49%	Disposed	8.9% (price as of 2026-08-21)
Jan. 9, 2022	ABM	A	7,936	—	—	33,187 Direct	+31.43%	Acquired	(price as of 2026-08-21)
Jan. 9, 2022	ABM	F	212	$43.28	$9,175	32,975 Direct	-0.64%	Disposed	8.9% (price as of 2026-08-21)
Jan. 9, 2022	ABM	F	2,895	$43.28	$125,296	30,080 Direct	-8.78%	Disposed	8.9% (price as of 2026-08-21)
Jan. 8, 2022	ABM	F	398	$43.28	$17,225	25,251 Direct	-1.55%	Disposed	8.9% (price as of 2026-08-21)
Jan. 7, 2022	ABM	A	1,744	—	—	25,649 Direct	+7.30%	Acquired	(price as of 2026-08-21)
Nov. 1, 2021	ABM	A	40	—	—	23,905 Direct	+0.17%	Acquired	(price as of 2026-08-21)
Sept. 11, 2021	ABM	F	790	$46.26	$36,545	23,865 Direct	-3.20%	Disposed	1.9% (price as of 2026-08-21)
Aug. 2, 2021	ABM	A	60	—	—	24,655 Direct	+0.24%	Acquired	(price as of 2026-08-21)
July 14, 2021	ABM	F	2,454	$45.06	$110,577	24,595 Direct	-9.07%	Disposed	4.6% (price as of 2026-08-21)
May 3, 2021	ABM	A	50	—	—	27,049 Direct	+0.19%	Acquired	(price as of 2026-08-21)
March 12, 2021	ABM	S	2,861	$50.60	$144,767	26,999 Direct	-9.58%	Disposed	-6.9% (price as of 2026-08-21)
Feb. 1, 2021	ABM	A	56	—	—	29,853 Direct	+0.19%	Acquired	(price as of 2026-08-21)
Jan. 10, 2021	ABM	A	3,814	—	—	31,879 Direct	+13.59%	Acquired	(price as of 2026-08-21)
Jan. 10, 2021	ABM	A	2,247	—	—	34,126 Direct	+7.05%	Acquired	(price as of 2026-08-21)
Jan. 10, 2021	ABM	F	852	$40.71	$34,685	33,274 Direct	-2.50%	Disposed	15.7% (price as of 2026-08-21)
Jan. 10, 2021	ABM	F	3,477	$40.71	$141,549	29,797 Direct	-10.45%	Disposed	15.7% (price as of 2026-08-21)
Jan. 9, 2021	ABM	F	924	$40.71	$37,616	28,065 Direct	-3.19%	Disposed	15.7% (price as of 2026-08-21)
Jan. 8, 2021	ABM	A	2,852	—	—	28,989 Direct	+10.91%	Acquired	(price as of 2026-08-21)
Nov. 2, 2020	ABM	A	74	—	—	26,137 Direct	+0.28%	Acquired	(price as of 2026-08-21)
Sept. 12, 2020	ABM	F	862	$36.14	$31,153	26,063 Direct	-3.20%	Disposed	30.4% (price as of 2026-08-21)
Sept. 11, 2020	ABM	F	303	$36.14	$10,950	26,925 Direct	-1.11%	Disposed	30.4% (price as of 2026-08-21)
Aug. 3, 2020	ABM	A	45	—	—	27,228 Direct	+0.17%	Acquired	(price as of 2026-08-21)
July 24, 2020	ABM	M 10b5-1	3,717	$25.30	$94,040	30,900 Direct	+13.67%	Acquired	86.2% (price as of 2026-08-21)
July 24, 2020	ABM	S 10b5-1	3,717	$35.25	$131,024	27,183 Direct	-12.03%	Disposed	33.7% (price as of 2026-08-21)
July 24, 2020	ABM	M 10b5-1	3,717	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
July 14, 2020	ABM	A	7,227	—	—	27,183 Direct	+36.21%	Acquired	(price as of 2026-08-21)
May 4, 2020	ABM	A	50	—	—	19,956 Direct	+0.25%	Acquired	(price as of 2026-08-21)
Feb. 3, 2020	ABM	A	39	—	—	19,906 Direct	+0.20%	Acquired	(price as of 2026-08-21)
Jan. 10, 2020	ABM	F	2,763	$38.66	$106,818	19,867 Direct	-12.21%	Disposed	21.9% (price as of 2026-08-21)
Jan. 9, 2020	ABM	A	1,479	—	—	22,629 Direct	+6.99%	Acquired	(price as of 2026-08-21)
Jan. 8, 2020	ABM	A	3,174	—	—	20,628 Direct	+18.18%	Acquired	(price as of 2026-08-21)
Jan. 8, 2020	ABM	A	522	—	—	21,150 Direct	+2.53%	Acquired	(price as of 2026-08-21)
Nov. 4, 2019	ABM	A	38	—	—	17,454 Direct	+0.22%	Acquired	(price as of 2026-08-21)
Sept. 12, 2019	ABM	A	44	—	—	17,872 Direct	+0.25%	Acquired	(price as of 2026-08-21)
Sept. 12, 2019	ABM	F	456	$36.85	$16,804	17,416 Direct	-2.55%	Disposed	27.9% (price as of 2026-08-21)
Sept. 11, 2019	ABM	F	609	$36.55	$22,259	17,072 Direct	-3.44%	Disposed	28.9% (price as of 2026-08-21)
Sept. 8, 2019	ABM	F	963	$35.34	$34,032	17,684 Direct	-5.16%	Disposed	33.3% (price as of 2026-08-21)
Aug. 5, 2019	ABM	A	48	—	—	19,976 Direct	+0.24%	Acquired	(price as of 2026-08-21)
Aug. 5, 2019	ABM	S 10b5-1	1,329	$39.95	$53,094	18,647 Direct	-6.65%	Disposed	17.9% (price as of 2026-08-21)
May 6, 2019	ABM	A	49	—	—	19,936 Direct	+0.25%	Acquired	(price as of 2026-08-21)
April 29, 2019	ABM	M 10b5-1	5,791	$18.31	$106,033	28,644 Direct	+25.34%	Acquired	157.3% (price as of 2026-08-21)
April 29, 2019	ABM	S 10b5-1	8,758	$37.53	$328,688	19,886 Direct	-30.58%	Disposed	25.6% (price as of 2026-08-21)
April 29, 2019	ABM	M 10b5-1	5,791	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 20, 2019	ABM	F	125	$36.72	$4,590	22,853 Direct	-0.54%	Disposed	28.3% (price as of 2026-08-21)
Feb. 19, 2019	ABM	A	218	—	—	22,978 Direct	+0.96%	Acquired	(price as of 2026-08-21)
Feb. 4, 2019	ABM	A	45	$34.50	$1,552	22,760 Direct	+0.20%	Acquired	36.6% (price as of 2026-08-21)
Dec. 21, 2018	ABM	A	4,125	—	—	17,072 Direct	+31.86%	Acquired	(price as of 2026-08-21)
Dec. 21, 2018	ABM	A	756	—	—	17,828 Direct	+4.43%	Acquired	(price as of 2026-08-21)
Aug. 6, 2018	ABM	A	78	$31.40	$2,449	27,165 Direct	+0.29%	Acquired	50.1% (price as of 2026-08-21)
May 7, 2018	ABM	A	81	$30.14	$2,441	27,087 Direct	+0.30%	Acquired	56.3% (price as of 2026-08-21)
Feb. 5, 2018	ABM	A	59	$34.96	$2,063	27,007 Direct	+0.22%	Acquired	34.8% (price as of 2026-08-21)
Jan. 15, 2018	ABM	F	1,745	$38.87	$67,828	26,911 Direct	-6.09%	Disposed	21.2% (price as of 2026-08-21)
Jan. 10, 2018	ABM	A	2,002	—	—	28,662 Direct	+7.51%	Acquired	(price as of 2026-08-21)
Dec. 28, 2017	ABM	A	1,466	—	—	26,660 Direct	+5.82%	Acquired	(price as of 2026-08-21)
Dec. 28, 2017	ABM	A	1,917	—	—	25,194 Direct	+8.24%	Acquired	(price as of 2026-08-21)

Showing latest 100 of 205 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
July 24, 2020	ABM	Stock Options [F3]	Common Stock (3,717)	$25.30	Sept. 6, 2020	3,717	Disposed
April 29, 2019	ABM	Stock Options [F4]	Common Stock (5,791)	$18.31	Oct. 11, 2019	5,791	Disposed
March 17, 2015	ABM	Stock Options [F3]	Common Stock (7,120)	$21.49	Sept. 8, 2017	7,120	Disposed
Sept. 6, 2013	ABM	Stock Options [F3]	Common Stock (3,717)	$25.30	Sept. 6, 2020	3,717	Acquired
June 6, 2013	ABM	Stock Options [F2]	Common Stock (1,893)	$19.09	Sept. 13, 2018	1,893	Acquired
Oct. 11, 2012	ABM	Stock Options [F3]	Common Stock (5,791)	$18.31	Oct. 11, 2019	5,791	Acquired
Sept. 13, 2011	ABM	Stock Options [F3]	Common Stock (7,575)	$19.09	Sept. 13, 2018	7,575	Acquired
Nov. 1, 2010	ABM	Dividend Equivalent Rights	Common Stock (8)	—	—	8	Acquired
Sept. 8, 2010	ABM	Stock Options [F3]	Common Stock (7,120)	$21.49	Sept. 8, 2017	7,120	Acquired
Aug. 2, 2010	ABM	Dividend Equivalent Rights	Common Stock (8)	—	—	8	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
June 4, 2010	ABM	Common Stock	—	Direct