QTI insider transaction filings
QT IMAGING HOLDINGS, INC. — 47 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-31. Screen QTI transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 3 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 2.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Dinu Raluca — Chief Executive Officer, Director | 1 | — | — | 1 |
| TIMM BRYAN — Director | 1 | — | — | 1 |
| Taylor Ross — Director | 1 | — | — | — |
Recent Form 4 filings — QT IMAGING HOLDINGS, INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-31 | 4 | Dinu Raluca — Chief Executive Officer, Director | Grant/award (A): 484,221 @ $0 | EDGAR |
| 2026-08-27 | 4 | Taylor Ross — Director | Holdings only — no transactions reported | EDGAR |
| 2026-08-06 | 4 | TIMM BRYAN — Director | Grant/award (A): 9,000 @ $0 | EDGAR |
| 2026-03-24 | 4 | Weiner Zeev — Director | Option exercise (M): 8,888 @ $2.25 · Option exercise (M): 14,166 @ $2.00 · Grant/award (A): 3,500 @ $0 · Option exercise (M): 8,888 (derivative) @ $0 · Option exercise (M): 14,166 (derivative) @ $0 | EDGAR |
| 2026-03-24 | 4 | Taylor Ross — Director | Grant/award (A): 3,500 @ $0 | EDGAR |
| 2026-03-24 | 4 | DICKSON DANIEL H — Director | Grant/award (A): 3,500 @ $0 | EDGAR |
| 2026-03-24 | 4 | KLOCK JOHN C JR — Director, 10% owner | Grant/award (A): 3,500 @ $0 | EDGAR |
| 2026-03-24 | 4 | Jennings Jay Walter — Chief Financial Officer | Grant/award (A): 2,800 @ $0 | EDGAR |
| 2026-03-24 | 4 | Katz Avi S — Chairman, Director | Grant/award (A): 3,500 @ $0 | EDGAR |
| 2026-03-24 | 4 | Dinu Raluca — Chief Executive Officer, Director | Grant/award (A): 3,500 @ $0 · Grant/award (A): 500,000 @ $0 · Grant/award (A): 16,000 @ $0 | EDGAR |
| 2026-03-24 | 4 | GREENE JAMES S — Director | Grant/award (A): 3,500 @ $0 | EDGAR |
| 2025-08-13 | 4 | KLOCK JOHN C JR — Director, 10% owner | Grant/award (A): 25,000 (derivative) @ $0 | EDGAR |
| 2025-04-10 | 4 | Katz Avi S — Chairman, Director | Purchase (P): 392,464 @ $0.64 · Purchase (P): 784,929 (derivative) @ $0 | EDGAR |
| 2025-04-10 | 4 | Dinu Raluca — Chief Executive Officer, Director | Purchase (P): 392,465 @ $0.64 · Purchase (P): 784,929 (derivative) @ $0 | EDGAR |
| 2025-03-25 | 4 | Katz Avi S — Chairman, Director GigAcquisitions5, LLC — 10% owner | Purchase (P): 2,671,232 @ $0.58 · Purchase (P): 117,611 @ $0.58 · Purchase (P): 2,671,232 (derivative) @ $0.67 · Purchase (P): 75,435 (derivative) @ $0.67 | EDGAR |
| 2025-03-25 | 4 | Dinu Raluca — Chief Executive Officer, Director | Purchase (P): 117,611 @ $0 · Purchase (P): 75,435 (derivative) @ $0.67 | EDGAR |
| 2024-11-14 | 4 | DICKSON DANIEL H — Director | Purchase (P): 85,616 @ $0.58 · Grant/award (A): 85,616 (derivative) @ $0.67 | EDGAR |
| 2024-11-14 | 4 | Weiner Zeev — Director | Purchase (P): 85,616 @ $0.58 · Grant/award (A): 85,616 (derivative) @ $0 | EDGAR |
| 2024-11-14 | 4 | Taylor Ross — Director | Purchase (P): 171,232 @ $0.58 · Purchase (P): 171,232 (derivative) @ $0 | EDGAR |
| 2024-11-14 | 4 | Dinu Raluca — Chief Executive Officer, Director | Purchase (P): 470,890 @ $0 · Purchase (P): 470,890 (derivative) @ $0.67 | EDGAR |
| 2024-11-14 | 4 | Katz Avi S — Chairman, Director GigAcquisitions5, LLC — 10% owner | Purchase (P): 2,671,232 @ $0.58 · Purchase (P): 470,890 @ $0.58 · Purchase (P): 2,671,232 (derivative) @ $0.67 · Purchase (P): 470,890 (derivative) @ $0.67 | EDGAR |
| 2024-11-14 | 4 | GREENE JAMES S — Director | Purchase (P): 428,082 @ $0.58 · Purchase (P): 428,082 (derivative) @ $0.67 | EDGAR |
| 2024-09-11 | 4 | Katz Avi S — Chairman, Director GigAcquisitions5, LLC — 10% owner | Other (J): 5,735,000 @ $0 · Other (J): 161,954 @ $0 | EDGAR |
| 2024-09-11 | 4 | Dinu Raluca — Chief Executive Officer, Director | Other (J): 161,954 @ $0 | EDGAR |
| 2024-07-15 | 4/A | Katz Avi S — Chairman, Director, 10% owner GigAcquisitions5, LLC — 10% owner | Holdings only — no transactions reported | EDGAR |
| 2024-07-15 | 4/A | Katz Avi S — Chairman, Director, 10% owner GigAcquisitions5, LLC — 10% owner | Other (J): 25,116 @ $0 · Other (J): 25,116 (derivative) @ $0 | EDGAR |
| 2024-07-15 | 4/A | Dinu Raluca — Chief Executive Officer, Director | Holdings only — no transactions reported | EDGAR |
| 2024-07-15 | 4/A | Dinu Raluca — Chief Executive Officer, Director | Other (J): 25,115 @ $0 · Other (J): 25,115 (derivative) @ $0 | EDGAR |
| 2024-07-10 | 4 | Weiner Zeev — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-10 | 4 | KLOCK JOHN C JR — Director, 10% owner | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-10 | 4 | Dickson Daniel — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | Taylor Ross — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | Budagov Stas — Chief Financial Officer | Grant/award (A): 325,000 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | Katz Avi S — Chairman, Director, 10% owner GigAcquisitions5, LLC — 10% owner | Other (J): 105,773 @ $0 · Grant/award (A): 40,000 (derivative) @ $0 · Other (J): 105,773 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | Dinu Raluca — Chief Executive Officer, Director | Grant/award (A): 550,000 (derivative) @ $0 · Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | GREENE JAMES S — Director | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | Katz Avi S — Chairman, Director, 10% owner GigAcquisitions5, LLC — 10% owner | Other (J): 783,591 @ $0 · Other (J): 26,593 @ $0 · Other (J): 783,591 (derivative) @ $0 · Other (J): 26,593 (derivative) @ $0 | EDGAR |
| 2024-07-01 | 4 | Dinu Raluca — Chief Executive Officer, Director | Other (J): 26,592 @ $0 · Other (J): 26,592 (derivative) @ $0 | EDGAR |
| 2024-04-03 | 4 | McMorrow Gerald — Director | Holdings only — no transactions reported | EDGAR |
| 2024-03-06 | 4 | McMorrow Gerald — Director | Grant/award (A): 5,904 | EDGAR |
| 2024-03-06 | 4 | KLOCK JOHN C JR — Chief Executive Officer, Director | Grant/award (A): 2,881,140 | EDGAR |
| 2024-03-06 | 4 | Horowitz Raanan — Director | Holdings only — no transactions reported | EDGAR |
| 2024-03-06 | 4 | MAKHIJA SHARMILA — Director | Holdings only — no transactions reported | EDGAR |
| 2024-03-06 | 4 | Weightman Walter Bradford — Chief Financial Officer | Holdings only — no transactions reported | EDGAR |
| 2024-03-06 | 4 | Katz Avi S — Chairman, Director, 10% owner GigAcquisitions5, LLC — 10% owner | Grant/award (A): 795,000 @ $10 · Option exercise (M): 94,364 @ $10 · Grant/award (A): 795,000 (derivative) @ $10 · Option exercise (M): 94,364 (derivative) @ $10 | EDGAR |
| 2024-03-06 | 4 | ROGGE KAREN M — Director | Holdings only — no transactions reported | EDGAR |
| 2024-03-06 | 4 | HAYES DOROTHY D — Director | Holdings only — no transactions reported | EDGAR |
Recent 8-K events — QT IMAGING HOLDINGS, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-31 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-08-18 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-12 | 8-K | 2.02 — Results of Operations and Financial Condition 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-28 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-21 | 8-K | 1.01 — Entry into a Material Definitive Agreement 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-13 | 8-K | 2.02 — Results of Operations and Financial Condition 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-25 | 8-K | 2.02 — Results of Operations and Financial Condition 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-25 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-02-25 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-18 | 8-K | 2.02 — Results of Operations and Financial Condition 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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