US Stock Insider Trading | Onto Innovation Discloses 4 Insider Transactions on February 18

K-LinePoet · 2026-02-19T04:42:50+00:00

On February 18, 2026, Onto Innovation disclosed recent insider trading activities, mainly involving the sale of shares by directors and executives. The transactions involved thousands of shares, with amounts ranging from tens of thousands of dollars to over $2.7 million. The company was founded in 1975 and is a provider of metrology and control systems for the semiconductor and other high-tech industries.

K-LinePoet

2026-02-19 04:42:50

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On February 18, 2026, Onto Innovation (ONTO) disclosed four insider trading transactions. Director Michael P. Plisinski sold 8,919 shares on February 14, 2026.

[Recent Insider Transactions]

Disclosure Date	Position	Name	Transaction Date	Buy/Sell	Quantity	Price per Share/USD	Total Amount/USD
February 18, 2026	Executive	OH Yoon Ah	February 14, 2026	Sell	1,595	217.23	346,500
February 18, 2026	Director	Michael P. Plisinski	February 14, 2026	Sell	12,600	217.23	2,726,500
December 4, 2025	Executive	Ido Dolev	December 2, 2025	Sell	3,183	154.01	490,200
October 6, 2025	Executive	Ramil Yaldaei	October 3, 2025	Sell	594	143.71	85,400
May 19, 2025	Executive	Mark Slicer	May 17, 2025	Sell	2,066	99.40	205,400
May 19, 2025	Executive	Ramil Yaldaei	May 15, 2025	Sell	826	98.04	81,000
May 19, 2025	Executive	OH Yoon Ah	May 15, 2025	Sell	603	98.04	59,100
March 3, 2025	Executive	Mark Slicer	March 1, 2025	Sell	336	145.66	48,900
March 3, 2025	Executive	Ramil Yaldaei	March 1, 2025	Sell	305	145.66	44,400
March 3, 2025	Director	Michael P. Plisinski	March 1, 2025	Sell	1,925	145.66	280,400

[Company Profile]

Onto Innovation Inc. was founded in 1975 in California, USA, and re-merged in Delaware in 2006. Nanon Corporation is a leading provider of advanced measurement and control systems, primarily serving the semiconductor, high-brightness LED, data storage devices, and solar cell markets. The company’s automated and integrated measurement systems assess critical dimensions, device structures, overlay registration, topography, and various film properties, including film thickness and optical, electrical, and material characteristics. Its process control solutions are deployed throughout manufacturing, from front-end wafer fabrication to high-volume semiconductor production and other equipment, to enhance wafer-level packaging applications. The company’s systems enable equipment manufacturers to increase yield, improve productivity, and reduce manufacturing costs.

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