Avi S. Katz, Chairman of QT Imaging Holdings, Inc. ($QTIH), made four open market purchases totaling $2.03 million in the last year, with the latest on January 22, 2026. This ranks him 306th among nearly 5,000 insiders, above the average of $1.46 million per buyer. As CEO and Chairman, he also reported one open market sale of GigCapital7 Corp. ($GIG) shares worth zero dollars on January 21, 2026, placing 11,654th out of over 11,600 insiders versus their $8.59 million average.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 20, 2026 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | A | Common Stock | 3500 | $0.00 | 416,952.0000 | 9,666,567 | 0.85% | 0.04% |
| Jan. 30, 2026 | GigCapital7 Corp. | $GIG | Katz Avi S | CEO; Chairmain | A | Convertible Promissory Note | 14800 | $0.00 | 14,800.0000 | 1,200,200,000 | 9999.99% | 0.00% |
| Jan. 30, 2026 | GigCapital7 Corp. | $GIG | Katz Avi S | CEO; Chairmain | A | Convertible Promissory Note | 14800 | $0.00 | 14,800.0000 | 1,200,200,000 | 9999.99% | 0.00% |
| Jan. 21, 2026 | GigCapital7 Corp. | $GIG | Katz Avi S | CEO; Chairmain | S | Class B ordinary shares | 175000 | $0.00 | 9,932,246.0000 | 1,200,200,000 | 1.73% | 0.01% |
| Jan. 22, 2026 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | CHAIRMAN | P | PRIVATE WARRANT | 48214 | $0.00 | 48,214.0000 | 9,666,567 | 9999.99% | 0.50% |
| Jan. 22, 2026 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | CHAIRMAN | P | COMMON STOCK | 24107 | $6.43 | 413,452.0000 | 9,666,567 | 6.19% | 0.25% |
| Aug. 27, 2025 | GigCapital7 Corp. | $GIG | Katz Avi S | Director | G | Class B ordinary shares | 100000 | $0.00 | 10,107,246.0000 | 13,333,333 | 0.98% | 0.75% |
| Aug. 11, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 9,556,195 | 9999.99% | 0.26% |
| April 21, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | A | Stock Option (right to buy) | 233750 | $0.00 | 233,750.0000 | 26,768,210 | 9999.99% | 0.87% |
| April 9, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Subscription Warrants (right to buy) | 784929 | $0.00 | 784,929.0000 | 26,768,210 | 9999.99% | 2.93% |
| April 9, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Common Stock | 392464 | $0.64 | 1,168,035.0000 | 26,768,210 | 50.60% | 1.47% |
| March 21, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Common Stock | 2671232 | $0.58 | 775,571.0000 | 26,768,210 | 77.50% | 9.98% |
| March 21, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Subscription Warrants (right to buy) | 2671232 | $0.67 | 571,431.0000 | 26,768,210 | 82.38% | 9.98% |
| March 21, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Subscription Warrants (right to buy) | 75435 | $0.67 | 571,431.0000 | 26,768,210 | 15.21% | 0.28% |
| March 21, 2025 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Common Stock | 117611 | $0.58 | 775,571.0000 | 26,768,210 | 17.88% | 0.44% |
| Nov. 12, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Common Stock | 2671232 | $0.58 | 3,329,192.0000 | 7,155,505 | 405.99% | 37.33% |
| Nov. 12, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Subscription Warrants (right to buy) | 470890 | $0.67 | 3,142,122.0000 | 7,155,505 | 17.63% | 6.58% |
| Nov. 12, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Subscription Warrants (right to buy) | 2671232 | $0.67 | 3,142,122.0000 | 7,155,505 | 567.27% | 37.33% |
| Nov. 12, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | P | Common Stock | 470890 | $0.58 | 3,329,192.0000 | 7,155,505 | 16.47% | 6.58% |
| Sept. 4, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Common Stock | 5735000 | $0.00 | 187,070.0000 | 7,155,505 | 96.84% | 80.15% |
| Sept. 4, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Common Stock | 161954 | $0.00 | 187,070.0000 | 7,155,505 | 644.82% | 2.26% |
| June 27, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Private Warrants | 25116 | $0.00 | 25,116.0000 | 21,437,216 | 9999.99% | 0.12% |
| June 27, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Common Stock | 25116 | $0.00 | 25,116.0000 | 21,437,216 | 9999.99% | 0.12% |
| July 3, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | A | Stock Option (right to buy) | 40000 | $0.00 | 40,000.0000 | 7,155,505 | 9999.99% | 0.56% |
| July 5, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Common Stock | 105773 | $0.00 | 5,761,593.0000 | 7,155,505 | 1.80% | 1.48% |
| July 5, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Private Warrants | 105773 | $0.00 | 0.0000 | 7,155,505 | 100.00% | 1.48% |
| June 27, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Private Warrants | 26593 | $0.00 | 132,366.0000 | 21,437,216 | 25.14% | 0.12% |
| June 27, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Common Stock | 783591 | $0.00 | 5,867,366.0000 | 21,437,216 | 11.78% | 3.66% |
| June 27, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Common Stock | 26593 | $0.00 | 5,867,366.0000 | 21,437,216 | 0.46% | 0.12% |
| June 27, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | J | Private Warrants | 783591 | $0.00 | 132,366.0000 | 21,437,216 | 85.55% | 3.66% |
| March 11, 2024 | BigBear.ai Holdings, Inc. | $BBAI | Katz Avi S | Director | S | Common Stock | 26076 | $2.51 | 747,299.0000 | 149,234,917 | 3.37% | 0.02% |
| March 13, 2024 | BigBear.ai Holdings, Inc. | $BBAI | Katz Avi S | Director | S | Common Stock | 50000 | $2.64 | 523,375.0000 | 149,234,917 | 8.72% | 0.03% |
| March 13, 2024 | BigBear.ai Holdings, Inc. | $BBAI | Katz Avi S | Director | S | Common Stock | 50000 | $2.52 | 573,375.0000 | 149,234,917 | 8.02% | 0.03% |
| March 12, 2024 | BigBear.ai Holdings, Inc. | $BBAI | Katz Avi S | Director | S | Common Stock | 50000 | $2.38 | 623,375.0000 | 149,234,917 | 7.43% | 0.03% |
| March 12, 2024 | BigBear.ai Holdings, Inc. | $BBAI | Katz Avi S | Director | S | Common Stock | 50000 | $2.42 | 673,375.0000 | 149,234,917 | 6.91% | 0.03% |
| March 12, 2024 | BigBear.ai Holdings, Inc. | $BBAI | Katz Avi S | Director | S | Common Stock | 23924 | $2.36 | 723,375.0000 | 149,234,917 | 3.20% | 0.02% |
| Sept. 23, 2021 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | A | Private Warrants | 795000 | $10.00 | 795,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 23, 2021 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | A | Common Stock | 795000 | $10.00 | 6,530,000.0000 | 0 | 13.86% | 0.00% |
| March 4, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | M | Common Stock | 94364 | $10.00 | 6,624,364.0000 | 27,941,290 | 1.45% | 0.34% |
| March 4, 2024 | QT IMAGING HOLDINGS, INC. | $QTI | Katz Avi S | Chairman | M | Private Warrants | 94364 | $10.00 | 94,364.0000 | 27,941,290 | 9999.99% | 0.34% |