QT Imaging Holdings Inc.

Last updated September 27, 2026

Organization details

Legal name
QT Imaging Holdings Inc.
Former names
GigCapital5, Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
3845 — Electromedical & Electrotherapeutic Apparatus
Jurisdiction of incorporation
Delaware
Headquarters city
Novato
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
QTI
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001844505
EIN
86-1728920

Board of directors

Chief executives

Raluca Dinu · Chief Executive Officer
Dates unknown
John C. Klock Jr. · Chief Executive Officer
Since March 2024
100 CEO score

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.

Director election results

Annual meeting of August 19, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

7 of this board's directors also sit on 7 other boards.

Network of QT Imaging Holdings Inc.'s board connections GigCapital8 Corp. GigCapital8 Corp. Hadron Energy Inc. Hadron Energy Inc. GigCapital9 Corp. GigCapital9 Corp. BigBear.ai Inc. BigBear.ai Inc. Onto Innovation Inc. Onto Innovation Inc. Rambus Inc. Rambus Inc. Redwire Corporation Redwire Corporation Avi S. Katz Avi S. Katz Bryan Timm Bryan Timm Dorothy D. Hayes Dorothy D. Hayes James S. Greene James S. Greene Karen M. Rogge Karen M. Rogge Raanan Horowitz Raanan Horowitz Raluca Dinu Raluca Dinu QT Imaging Holdings Inc.
Shared director Other board Same sector

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.

Bought, last 12 months
$155,008
1 purchase by 1 insider
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Aug 28, 2026 Raluca Dinu Director, Officer (Chief Executive Officer) Grant or award +484,221 — —
Aug 4, 2026 Bryan Timm Director Grant or award +9,000 — —
Mar 20, 2026 Ross Taylor Director Grant or award +3,500 — —
Mar 20, 2026 James S. Greene Director Grant or award +3,500 — —
Mar 20, 2026 Jennings Jay Walter Officer (Chief Financial Officer) Grant or award +2,800 — —
Mar 20, 2026 John C. Klock Jr. Director, 10% owner Grant or award +3,500 — —
Mar 20, 2026 Raluca Dinu Director, Officer (Chief Executive Officer) Grant or award +3,500 — —
Mar 20, 2026 Avi S. Katz Director, Officer (Chairman) Grant or award +3,500 — —
Mar 20, 2026 Daniel Dickson Director Grant or award +3,500 — —
Mar 20, 2026 Raluca Dinu Director, Officer (Chief Executive Officer) Grant or award +500,000 — —
Mar 20, 2026 Zeev Weiner Director Grant or award +3,500 — —
Mar 20, 2026 Raluca Dinu Director, Officer (Chief Executive Officer) Grant or award +16,000 — —
Mar 17, 2026 Zeev Weiner Director Option exercise +8,888 $2.25 $19,998
Mar 17, 2026 Zeev Weiner Director Option exercise +14,166 $2.00 $28,332
Jan 22, 2026 Avi S. Katz Director, Officer (CHAIRMAN) Open-market purchase +24,107 $6.43 $155,008

Organizations in the same sector, closest in location and size first.

Questions about QT Imaging Holdings Inc.

Who is the CEO of QT Imaging Holdings Inc.?

John C. Klock Jr. has been QT Imaging Holdings Inc.'s Chief Executive Officer since March 2024.

How many directors are on QT Imaging Holdings Inc.'s board?

QT Imaging Holdings Inc.'s board has 13 directors: Avi S. Katz, Bryan Timm, Daniel Dickson, Dorothy D. Hayes, Gerald McMorrow, James S. Greene, John C. Klock Jr., Karen M. Rogge, Raanan Horowitz, Raluca Dinu and 3 others.

Are QT Imaging Holdings Inc. insiders buying or selling shares?

Over the last 12 months, QT Imaging Holdings Inc. insiders bought $155,008 of shares in 1 purchase and made no open-market sales on the open market, as reported to the SEC on Forms 4 and 5.

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