Timothy J. Stultz, Ph.D., has been a key figure in the semiconductor industry, serving as the CEO of Onto Innovation from 2007 until 2017. With a solid educational background, he holds multiple degrees in Materials Science and Engineering from Stanford...

Timothy J. Stultz, Ph.D., has been a key figure in the semiconductor industry, serving as the CEO of Onto Innovation from 2007 until 2017. With a solid educational background, he holds multiple degrees in Materials Science and Engineering from Stanford University. Before joining Onto Innovation, he led Imago Scientific Instruments, a company focused on advanced microscopy technology, showcasing his expertise in high-tech industries. Dr. Stultz's tenure at Onto Innovation included innovative moves and strategic decisions that positioned the company well in the market.

Quick Links

1. Rivals

2. Holdings

3. Insider Trading

4. Compensation History

5. Other Onto Innovation CEOs

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Timothy J. Stultz, Ph.D.

Ex-CEO of Onto Innovation

Education

B.S., M.S. and Ph.D. in Materials Science and Engineering from Stanford University

Field of Expertise

Technology & Engineering - Engineering

Sector of Economy

Technology

Born

January 1, 1958 - 67 years ago

CEO of Onto Innovation for

10 years 3 months (Aug 2007 - Nov 2017)

Previous Experience

President and Chief Executive Officer of Imago Scientific Instruments Corporation

Rivals

Competitors/colleagues of Timothy J. Stultz, Ph.D.

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Jim Scholhamer

CEO of Ultra Clean Holdings

2017 Compensation

Stock

$0.00

Salary

$406.92K

Bonus

$710.83K

Other

$1.68K

Total Holdings

$15.39M

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Gary E. Dickerson

CEO of Applied Materials

2023 Compensation

Stock

$40.73M

Salary

$1.03M

Bonus

$1.63M

Other

$241.98K

Total Holdings

$259.00M

A

Russell J. Low

CEO of Axcelis Technologies

2023 Compensation

Stock

$0.00

Salary

$530.10K

Bonus

$519.07K

Other

$9.90K

Total Holdings

$4.66M

M

John T.C. Lee

CEO of MKS Instruments

2023 Compensation

Stock

$0.00

Salary

$950.00K

Bonus

$1.02M

Other

$35.29K

Total Holdings

$9.20M

K

Richard P. Wallace

CEO of KLA Corporation

2022 Compensation

Stock

$46.42M

Salary

$997.12K

Bonus

$2.95M

Other

$1.32M

Total Holdings

$63.76M

Holdings

See how much did Timothy J. Stultz, Ph.D. make over time.

Dr. Stultz's insider trading activities reflect a keen sense for market timing. Over the years, his holdings fluctuated significantly, peaking in late 2024 with a massive $31.82 million on January 1. Following strong financial performance and stock price growth, he...

Dr. Stultz's insider trading activities reflect a keen sense for market timing. Over the years, his holdings fluctuated significantly, peaking in late 2024 with a massive $31.82 million on January 1. Following strong financial performance and stock price growth, he maintained diverse holdings that were strategically managed. By mid-2023, his portfolio showed consistent growth, reaching $26.6 million before a slight drop to $26.26 million in October. This dynamic suggests that Dr. Stultz was actively engaged in the company’s financial health and performance metrics, ultimately aligning his interests with investors.

Mar 11, 2025

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shares

ONTO @ $125.82

Total Stock Sold

$689.86K

ONTO

$689.86K

17,666 ONTO shares

What if they kept their stock?

If Timothy J. Stultz, Ph.D. didn't sell their stock, today they would have:
Extra ONTO17,666 shares worth $567.26K.
This is -17.77% and $122.60K less than what they got when they sold the stock.

Charitable Transactions

ONTO

290 shares

ONTO

Recent Charitable Transactions

ONTO

290 shares

ONTO

Dec 23, 2019

Charity

Insider Trading

See recent insider trades of Timothy J. Stultz, Ph.D..

ONTO

$687.91K

ONTO at $38.94/share

Feb 12, 2020

Sale

ONTO

290 shares

ONTO

Dec 23, 2019

Charity

Compensation History

See how much did Timothy J. Stultz, Ph.D. make over time.

In 2017, Dr. Stultz earned a total compensation of $2,078,317 from Onto Innovation, which included a base salary of $463,462 along with a bonus of $485,000. His pay package was designed to keep him motivated and aligned with company success, reflecting the company’s performance objectives. His compensation over the years varied, with notable bonuses driven by company earnings and strategic milestones. Overall, his compensation structure was aimed at rewarding leadership that propelled Onto Innovation’s growth during his tenure.

Year

2017

Total Compensation

$1.11M

Salary

$463.46K

Board Justification

Nanometrics’ compensation program is designed to attract, retain, and motivate key executive officers and align their interests with those of stockholders by tying compensation to company performance.

Bonus

$485.00K

Board Justification

Dr. Stultz was eligible for the bonus under the 2017 Bonus Program pursuant to the Transition and Consulting Agreement, dated as of August 9, 2017.

Other

$105.86K

Board Justification

Includes reimbursements under the Executive Health Care Plan, an employer 401(k) match, a car allowance, and severance payments.

Restricted Stock

$56.37K(2.08K RSU)

Board Justification

RSUs to acquire 2,075 shares were awarded in connection with Dr. Stultz’s retirement and becoming a consultant, while continuing his service as a board member.

Performance Metrics

Overall company financial performance objectives recommended by Dr. Stultz and approved by the Compensation Committee.

Other Onto Innovation CEOs

Here are other CEOs of Onto Innovation

Michael P. Plisinski

CEO of Onto Innovation

November 2017 - Present