Ju Jin

Insider

First SEC filing: Oct. 29, 2019 · Latest: Oct. 29, 2019

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

ONTO selling June 15, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 15, 2023	ONTO	S	3,231	$105.17	$339,804	10,254 Direct	-23.96%	Disposed	190.8% (price as of 2026-08-19)
June 5, 2023	ONTO	S	1,232	$107.72	$132,711	13,485 Direct	-8.37%	Disposed	183.9% (price as of 2026-08-19)
May 16, 2023	ONTO	S	1,603	$95.00	$152,285	14,717 Direct	-9.82%	Disposed	221.9% (price as of 2026-08-19)
Feb. 14, 2023	ONTO	A	2,130	—	—	16,320 Direct	+15.01%	Acquired	(price as of 2026-08-19)
Feb. 14, 2023	ONTO	A	1,065	—	—	1,065 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 14, 2023	ONTO	A	1,064	—	—	1,064 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 8, 2023	ONTO	M	1,988	—	—	14,190 Direct	+16.29%	Acquired	(price as of 2026-08-19)
Feb. 8, 2023	ONTO	M	994	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 7, 2023	ONTO	M	1,820	—	—	12,202 Direct	+17.53%	Acquired	(price as of 2026-08-19)
Feb. 7, 2023	ONTO	M	910	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 10, 2022	ONTO	A	1,742	—	—	10,135 Direct	+20.76%	Acquired	(price as of 2026-08-19)
Feb. 10, 2022	ONTO	A	871	—	—	871 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 10, 2022	ONTO	A	871	—	—	871 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 8, 2022	ONTO	F	202	$93.09	$18,804	8,393 Direct	-2.35%	Disposed	228.5% (price as of 2026-08-19)
Feb. 7, 2022	ONTO	M	1,820	—	—	9,394 Direct	+24.03%	Acquired	(price as of 2026-08-19)
Feb. 7, 2022	ONTO	F	582	$90.42	$52,624	8,812 Direct	-6.20%	Disposed	238.2% (price as of 2026-08-19)
Feb. 7, 2022	ONTO	F	217	$90.42	$19,621	8,595 Direct	-2.46%	Disposed	238.2% (price as of 2026-08-19)
Feb. 7, 2022	ONTO	M	910	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 14, 2021	ONTO	D	1,000	$78.58	$78,580	7,574 Direct	-11.66%	Disposed	289.2% (price as of 2026-08-19)
Feb. 8, 2021	ONTO	A	1,987	—	—	8,049 Direct	+32.78%	Acquired	(price as of 2026-08-19)
Feb. 8, 2021	ONTO	A	994	—	—	994 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 8, 2021	ONTO	A	993	—	—	993 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 7, 2021	ONTO	F	217	$59.95	$13,009	6,062 Direct	-3.46%	Disposed	410.1% (price as of 2026-08-19)
July 29, 2020	ONTO	F	213	$36.06	$7,681	6,173 Direct	-3.34%	Disposed	748.1% (price as of 2026-08-19)
Feb. 28, 2020	ONTO	P	1,000	$30.00	$30,000	5,797 Direct	+20.85%	Acquired	919.4% (price as of 2026-08-19)
Feb. 7, 2020	ONTO	A	1,821	—	—	4,797 Direct	+61.19%	Acquired	(price as of 2026-08-19)
Feb. 7, 2020	ONTO	A	910	—	—	910 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 7, 2020	ONTO	A	910	—	—	910 Direct	—	Acquired	(price as of 2026-08-19)
Oct. 25, 2019	ONTO	A	2,976	—	—	2,976 Direct	—	Acquired	(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
Feb. 14, 2023	ONTO	Performance Stock Unit	Common Stock (1,065)	—	Feb. 14, 2025	1,065	Acquired
Feb. 14, 2023	ONTO	Performance Stock Unit	Common Stock (1,064)	—	Feb. 14, 2026	1,064	Acquired
Feb. 8, 2023	ONTO	Performance Stock Unit	Common Stock (994)	—	Feb. 8, 2023	994	Disposed
Feb. 7, 2023	ONTO	Performance Stock Unit	Common Stock (910)	—	Feb. 7, 2023	910	Disposed
Feb. 10, 2022	ONTO	Performance Stock Unit	Common Stock (871)	—	Feb. 10, 2024	871	Acquired
Feb. 10, 2022	ONTO	Performance Stock Unit	Common Stock (871)	—	Feb. 10, 2025	871	Acquired
Feb. 7, 2022	ONTO	Performance Stock Unit	Common Stock	—	Feb. 7, 2022	910	Disposed
Feb. 8, 2021	ONTO	Performance Stock Unit	Common Stock (994)	—	Feb. 8, 2023	994	Acquired
Feb. 8, 2021	ONTO	Performance Stock Unit	Common Stock (993)	—	Feb. 8, 2024	993	Acquired
Feb. 7, 2020	ONTO	Performance Stock Unit	Common Stock (910)	—	Feb. 7, 2022	910	Acquired
Feb. 7, 2020	ONTO	Performance Stock Unit	Common Stock (910)	—	Feb. 7, 2023	910	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. 29, 2019	ONTO	No securities beneficially owned	0	Direct