Thomas J Bentley

Insider

First SEC filing: March 15, 2005 · Latest: March 15, 2005

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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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 95 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

95 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 23, 2018	ONTO	S	15,000	$37.93	$568,950	71,612 Direct	-17.32%	Disposed	681.6% (price as of 2026-08-20)
May 23, 2018	ONTO	G	2,000	—	—	86,612 Direct	-2.26%	Disposed	(price as of 2026-08-20)
May 22, 2018	ONTO	A	4,134	—	—	88,612 Direct	+4.89%	Acquired	(price as of 2026-08-20)
May 21, 2018	ONTO	G	1,000	—	—	84,478 Direct	-1.17%	Disposed	(price as of 2026-08-20)
May 9, 2018	ONTO	S	10,000	$36.28	$362,800	85,478 Direct	-10.47%	Disposed	717.1% (price as of 2026-08-20)
Oct. 2, 2017	RMBS	A	11,792	—	—	11,792 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2017	ONTO	A	3,453	—	—	95,478 Direct	+3.75%	Acquired	(price as of 2026-08-20)
April 27, 2017	ONTO	M	3,333	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 27, 2017	ONTO	M	3,655	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 27, 2017	ONTO	M	3,333	$15.74	$52,461	92,025 Direct	+3.76%	Acquired	1783.5% (price as of 2026-08-20)
April 27, 2017	ONTO	M	3,655	$14.80	$54,094	88,692 Direct	+4.30%	Acquired	1903.1% (price as of 2026-08-20)
Oct. 17, 2016	ONTO	M	5,040	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 17, 2016	ONTO	M	2,038	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 17, 2016	ONTO	M	5,040	$10.83	$54,583	78,544 Direct	+6.86%	Acquired	2637.4% (price as of 2026-08-20)
Oct. 17, 2016	ONTO	M	2,038	$11.17	$22,764	73,504 Direct	+2.85%	Acquired	2554.1% (price as of 2026-08-20)
Oct. 3, 2016	RMBS	A	12,874	—	—	12,874 Direct	—	Acquired	(price as of 2026-08-20)
May 24, 2016	ONTO	A	6,493	—	—	77,959 Direct	+9.09%	Acquired	(price as of 2026-08-20)
Oct. 1, 2015	RMBS	A	13,618	—	—	13,618 Direct	—	Acquired	(price as of 2026-08-20)
May 19, 2015	ONTO	A	6,223	—	—	71,466 Direct	+9.54%	Acquired	(price as of 2026-08-20)
May 19, 2015	ONTO	A	6,223	—	—	41,464 Direct	+17.66%	Acquired	(price as of 2026-08-20)
Oct. 1, 2014	RMBS	A	13,418	—	—	20,501 Direct	+189.44%	Acquired	(price as of 2026-08-20)
Aug. 4, 2014	ONTO	M	2,500	$11.63	$29,075	35,241 Direct	+7.64%	Acquired	2449.1% (price as of 2026-08-20)
Aug. 4, 2014	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 20, 2014	ONTO	A	6,165	—	—	32,741 Direct	+23.20%	Acquired	(price as of 2026-08-20)
Jan. 9, 2014	ONTO	M	834	$1.20	$1,001	28,244 Direct	+3.04%	Acquired	24605.0% (price as of 2026-08-20)
Jan. 9, 2014	ONTO	M	834	$2.71	$2,260	27,410 Direct	+3.14%	Acquired	10839.5% (price as of 2026-08-20)
Jan. 9, 2014	ONTO	M	834	$6.65	$5,546	26,576 Direct	+3.24%	Acquired	4358.0% (price as of 2026-08-20)
Jan. 9, 2014	ONTO	M	834	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 9, 2014	ONTO	M	834	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 9, 2014	ONTO	M	834	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 1, 2013	RMBS	A	16,530	—	—	23,613 Direct	+233.38%	Acquired	(price as of 2026-08-20)
May 24, 2013	ONTO	A	6,930	—	—	29,078 Direct	+31.29%	Acquired	(price as of 2026-08-20)
Oct. 1, 2012	RMBS	A	25,000	—	—	43,695 Direct	+133.73%	Acquired	(price as of 2026-08-20)
May 24, 2012	ONTO	A	3,655	—	—	3,655 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 24, 2012	ONTO	A	2,111	—	—	22,148 Direct	+10.54%	Acquired	(price as of 2026-08-20)
April 25, 2012	RMBS	P	20,000	$4.89	$97,800	20,000 Indirect	—	Acquired	1768.7% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	$6.65	$11,079	45,235 Direct	+3.82%	Acquired	4358.0% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	—	—	834 Direct	-66.64%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	—	—	834 Direct	-66.64%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	—	—	834 Direct	-66.64%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	ONTO	S	24,998	$19.70	$492,461	20,037 Direct	-55.51%	Disposed	1404.9% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	$6.65	$11,079	45,235 Direct	+3.82%	Acquired	4358.0% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	$2.71	$4,515	43,569 Direct	+3.98%	Acquired	10839.5% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	1,666	$1.20	$1,999	41,903 Direct	+4.14%	Acquired	24605.0% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$1.13	$2,825	40,237 Direct	+6.62%	Acquired	26135.4% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$2.11	$5,275	37,737 Direct	+7.09%	Acquired	13950.2% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$5.76	$14,400	35,237 Direct	+7.64%	Acquired	5046.9% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$7.28	$18,200	32,737 Direct	+8.27%	Acquired	3972.3% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$9.93	$24,825	30,237 Direct	+9.01%	Acquired	2885.5% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$9.58	$23,950	27,737 Direct	+9.91%	Acquired	2994.6% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$6.83	$17,075	25,237 Direct	+11.00%	Acquired	4240.6% (price as of 2026-08-20)
Feb. 13, 2012	ONTO	M	2,500	$6.61	$16,525	22,737 Direct	+12.35%	Acquired	4385.0% (price as of 2026-08-20)
Oct. 3, 2011	RMBS	A	11,612	—	—	18,695 Direct	+163.94%	Acquired	(price as of 2026-08-20)
Aug. 10, 2011	RMBS	P	10,000	$10.09	$100,900	32,329 Indirect	+44.78%	Acquired	805.6% (price as of 2026-08-20)
May 26, 2011	ONTO	A	3,333	—	—	3,333 Direct	—	Acquired	(price as of 2026-08-20)
May 26, 2011	ONTO	A	1,985	—	—	20,037 Direct	+11.00%	Acquired	(price as of 2026-08-20)
Nov. 19, 2010	ONTO	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 19, 2010	ONTO	M	10,000	$11.34	$113,400	18,052 Direct	+124.19%	Acquired	2514.3% (price as of 2026-08-20)
Oct. 1, 2010	RMBS	A	7,672	—	—	14,755 Direct	+108.32%	Acquired	(price as of 2026-08-20)
May 28, 2010	ONTO	A	5,040	—	—	5,040 Direct	—	Acquired	(price as of 2026-08-20)
May 28, 2010	ONTO	A	2,886	—	—	8,052 Direct	+55.87%	Acquired	(price as of 2026-08-20)
Jan. 5, 2010	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2010	ONTO	A	2,038	—	—	2,038 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2010	ONTO	A	1,166	—	—	5,166 Direct	+29.15%	Acquired	(price as of 2026-08-20)
Oct. 2, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 1, 2009	RMBS	A	9,946	—	—	17,029 Direct	+140.42%	Acquired	(price as of 2026-08-20)
Sept. 29, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
July 2, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
June 30, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
March 31, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 6, 2009	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 6, 2009	ONTO	A	2,000	—	—	4,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
Dec. 30, 2008	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 30, 2008	ONTO	A	2,000	—	—	4,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
Oct. 2, 2008	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 1, 2008	RMBS	A	12,383	—	—	19,466 Direct	+174.83%	Acquired	(price as of 2026-08-20)
Sept. 30, 2008	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2008	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
April 1, 2008	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2008	ONTO	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2008	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 2, 2007	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 1, 2007	RMBS	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
July 3, 2007	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
April 3, 2007	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2007	ONTO	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 2, 2006	RMBS	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 2, 2006	RMBS	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2006	RMBS	M	2,083	—	—	17,917 Direct	-10.42%	Disposed	(price as of 2026-08-20)
March 16, 2006	RMBS	M	5,000	—	—	35,000 Direct	-12.50%	Disposed	(price as of 2026-08-20)
March 16, 2006	RMBS	M	2,083	$12.11	$25,225	7,083 Direct	+41.66%	Acquired	654.6% (price as of 2026-08-20)

Showing latest 100 of 104 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
April 27, 2017	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (3,333)	$15.74	May 26, 2018	3,333	Disposed
April 27, 2017	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (3,655)	$14.80	May 24, 2019	3,655	Disposed
Oct. 17, 2016	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (5,040)	$10.83	May 28, 2017	5,040	Disposed
Oct. 17, 2016	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,038)	$11.17	Jan. 4, 2017	2,038	Disposed
Aug. 4, 2014	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$11.63	Jan. 5, 2015	2,500	Disposed
Jan. 9, 2014	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (834)	$1.20	March 31, 2014	834	Disposed
Jan. 9, 2014	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (834)	$2.71	June 30, 2014	834	Disposed
Jan. 9, 2014	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (834)	$6.65	Sept. 29, 2014	834	Disposed
May 24, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (3,655)	$14.80	May 24, 2019	3,655	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (1,666)	$6.65	Sept. 29, 2014	1,666	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (1,666)	$2.71	June 30, 2014	1,666	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (1,666)	$1.20	March 31, 2014	1,666	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$1.13	Dec. 30, 2013	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$2.11	Sept. 30, 2013	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$5.76	July 1, 2013	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$7.28	April 1, 2013	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$9.93	Jan. 2, 2013	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$9.58	Oct. 2, 2012	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.83	July 3, 2012	2,500	Disposed
Feb. 13, 2012	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.61	April 3, 2012	2,500	Disposed
May 26, 2011	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (3,333)	$15.74	May 26, 2018	3,333	Acquired
Nov. 19, 2010	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$11.34	Jan. 5, 2011	10,000	Disposed
May 28, 2010	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (5,040)	$10.83	May 28, 2017	5,040	Acquired
Jan. 5, 2010	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$11.63	Jan. 5, 2015	2,500	Acquired
Jan. 4, 2010	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,038)	$11.17	Jan. 4, 2017	2,038	Acquired
Oct. 2, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.27	Oct. 2, 2014	2,500	Acquired
Sept. 29, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.65	Sept. 29, 2014	2,500	Acquired
July 2, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$2.78	July 2, 2014	2,500	Acquired
June 30, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$2.71	June 30, 2014	2,500	Acquired
April 2, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$1.34	April 2, 2014	2,500	Acquired
March 31, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$1.20	March 31, 2014	2,500	Acquired
Jan. 6, 2009	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$1.50	Jan. 6, 2014	2,500	Acquired
Dec. 30, 2008	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$1.13	Dec. 30, 2013	2,500	Acquired
Oct. 2, 2008	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$1.88	Oct. 2, 2013	2,500	Acquired
Sept. 30, 2008	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$2.11	Sept. 30, 2013	2,500	Acquired
July 1, 2008	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$5.76	July 1, 2013	2,500	Acquired
April 1, 2008	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$7.30	April 1, 2013	2,500	Acquired
Jan. 2, 2008	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$9.93	Jan. 2, 2013	2,500	Acquired
Oct. 2, 2007	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$9.58	Oct. 2, 2012	2,500	Acquired
Oct. 1, 2007	RMBS	Director Stock Option	Common (20,000)	$19.63	Oct. 1, 2017	20,000	Acquired
July 3, 2007	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.83	July 3, 2012	2,500	Acquired
April 3, 2007	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.61	April 3, 2012	2,500	Acquired
Jan. 3, 2007	ONTO	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$8.29	Jan. 3, 2012	2,500	Acquired
Oct. 2, 2006	RMBS	Director Stock Option 03	Common Stock (20,000)	$17.14	Oct. 2, 2016	20,000	Acquired
Oct. 2, 2006	RMBS	Director Stock Option 03	Common Stock (20,000)	$17.14	Oct. 2, 2016	20,000	Acquired
March 16, 2006	RMBS	Director Stock Option 02	Common Stock (2,083)	$12.11	Oct. 3, 2015	2,083	Disposed
March 16, 2006	RMBS	Director Stock Option 01	Common Stock (5,000)	$14.00	March 11, 2015	5,000	Disposed
Jan. 4, 2006	ONTO	Stock Option (NSO)	Common Stock (10,000)	$11.34	Jan. 5, 2011	10,000	Disposed
Oct. 3, 2005	RMBS	Director Stock Option 02	Common Stock (20,000)	$12.11	Oct. 3, 2015	20,000	Acquired
Jan. 4, 2005	ONTO	Non qualified stock options	Common Stock (10,000)	$15.13	Jan. 4, 2010	10,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
March 15, 2005	RMBS	Director Stock Option 01→ Common Stock (40,000)	40,000	Direct
April 20, 2004	ONTO	non-qualified stock option→ common stock (10,000)	10,000	Direct