John C. Klock Jr.
Chief Executive Officer at QT Imaging Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2024
3 years of board service in total across 1 board, counting each seat separately. Longest: QT Imaging Holdings Inc., 2 years.
Chief executive roles
Outstanding · grade A+
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 100
1,000% a year in revenue
20% of the scoring weight is on file. Figures cover December 2023 – December 2025.
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 20, 2026 | QT Imaging Holdings Inc. | Grant or award | +3,500 | — | — |
| Mar 4, 2024 | QT Imaging Holdings Inc. | Grant or award | +2,881,140 | — | — |
Questions about John C. Klock Jr.
What boards is John C. Klock Jr. on?
John C. Klock Jr. sits on the board of QT Imaging Holdings Inc.
What company is John C. Klock Jr. the CEO of?
John C. Klock Jr. has been Chief Executive Officer of QT Imaging Holdings Inc. since March 2024.
How long has John C. Klock Jr. served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2024.
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