
John C. Klock Jr.
Director, 10% Owner · QT IMAGING HOLDINGS, INC.
- 2025
- Mar 25, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John C. Klock Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Avi S. Katz - $155K in QTI purchases and sales in the last 12 months
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Frequently asked questions
Who is John C. Klock Jr.?
John C. Klock Jr. is a corporate insider, tracked as Director, 10% Owner of QT IMAGING HOLDINGS, INC. (QTI). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John C. Klock Jr. last file a Form 4?
The most recent primary Form 4 on record is dated 25 March 2026, one of 2 filings going back to 2025.