Insiders who reported open-market trades in the last 12 months at the companies Raluca Dinu 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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Raluca Dinu is a corporate insider, tracked as Chief Executive Officer, Director of QT IMAGING HOLDINGS, INC. (QTI). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Raluca Dinu submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Raluca Dinu been buying or selling stock?
Recorded transactions: 2 open-market purchases ($316K) and 0 open-market sales across all tracked filings.
Raluca Dinu is Chief Executive Officer, Director of QT IMAGING HOLDINGS, INC. (QTI). 6 SEC Form 4 filings on record going back to 2024, most recently on 1 September 2026. Lifetime open-market purchases: $316K.
Recent transactions
6
The latest 6 SEC Form 4 transactions reported by Raluca Dinu.
InsiderAlpha's records for Raluca Dinu go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $316K (1 of 2 buys carry a usable dollar value, totaling $316K). The largest single buy on record is $316K of QTI in 2024. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
