Connie Matsui bought Sutro Biopharma Inc. ($STRO) shares once on the open market in the last year, totaling about $40,000, with her most recent purchase on October 15, 2025. Her activity ranks 3,235th among nearly 5,000 insiders, below the average buy of $1.5 million across 3.3 transactions. She made no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 30, 2026 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | A | Stock Options (right to buy) | 292 | $0.00 | 292.0000 | 1,555,493 | 9999.99% | 0.02% |
| Dec. 23, 2025 | SUTRO BIOPHARMA, INC. | $STRO | MATSUI CONNIE | Not found | A | Stock Option (right to buy) | 1500 | $0.00 | 1,500.0000 | 85,135,290 | 9999.99% | 0.00% |
| Oct. 28, 2025 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | C | Convertible Promissory Note | 110843 | $110843.00 | 110,843.0000 | 1,555,493 | 9999.99% | 7.13% |
| Oct. 28, 2025 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | C | Convertible Promissory Note | 140000 | $140000.00 | 0.0000 | 1,555,493 | 100.00% | 9.00% |
| Oct. 28, 2025 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | C | Warrant (right to buy) | 70376 | $0.00 | 70,376.0000 | 1,555,493 | 9999.99% | 4.52% |
| Oct. 28, 2025 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | C | Warrant (right to buy) | 38346 | $0.00 | 38,346.0000 | 1,555,493 | 9999.99% | 2.47% |
| Oct. 15, 2025 | SUTRO BIOPHARMA, INC. | $STRO | MATSUI CONNIE | Not found | P | Common Stock | 50000 | $0.80 | 50,000.0000 | 83,775,336 | 9999.99% | 0.06% |
| June 6, 2025 | SUTRO BIOPHARMA, INC. | $STRO | MATSUI CONNIE | Not found | A | Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 83,775,336 | 9999.99% | 0.06% |
| May 1, 2025 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | P | Convertible Promissory Note | 140000 | $140000.00 | 140,000.0000 | 3,281,032 | 9999.99% | 4.27% |
| Dec. 20, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | A | Stock Option (right to buy) | 1750 | $0.00 | 1,750.0000 | 3,188,959 | 9999.99% | 0.05% |
| Nov. 29, 2024 | HALOZYME THERAPEUTICS, INC. | $HALO | MATSUI CONNIE | Not found | G | Common Stock | 10470 | $0.00 | 183,035.0000 | 130,134,000 | 5.41% | 0.01% |
| June 6, 2024 | SUTRO BIOPHARMA, INC. | $STRO | MATSUI CONNIE | Not found | A | Stock Option (right to buy) | 35000 | $0.00 | 35,000.0000 | 0 | 9999.99% | 0.00% |
| April 25, 2024 | HALOZYME THERAPEUTICS, INC. | $HALO | MATSUI CONNIE | Not found | A | Option to Purchase Common Stock | 8804 | $0.00 | 8,804.0000 | 134,197,000 | 9999.99% | 0.01% |
| April 25, 2024 | HALOZYME THERAPEUTICS, INC. | $HALO | MATSUI CONNIE | Not found | A | Common Stock | 6501 | $0.00 | 193,505.0000 | 134,197,000 | 3.48% | 0.00% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | A | Stock Option (right to buy) | 667 | $0.00 | 667.0000 | 3,188,959 | 9999.99% | 0.02% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | A | Stock Option (right to buy) | 1083 | $0.00 | 1,083.0000 | 3,188,959 | 9999.99% | 0.03% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | A | Stock Option (right to buy) | 667 | $0.00 | 667.0000 | 3,188,959 | 9999.99% | 0.02% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | D | Stock Option (right to buy) | 1083 | $0.00 | 0.0000 | 3,188,959 | 100.00% | 0.03% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | D | Stock Option (right to buy) | 667 | $0.00 | 0.0000 | 3,188,959 | 100.00% | 0.02% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | D | Stock Option (right to buy) | 667 | $0.00 | 0.0000 | 3,188,959 | 100.00% | 0.02% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | D | Stock Option (right to buy) | 667 | $0.00 | 0.0000 | 3,188,959 | 100.00% | 0.02% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | D | Stock Option (right to buy) | 10634 | $0.00 | 0.0000 | 3,188,959 | 100.00% | 0.33% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | D | Stock Option (right to buy) | 1767 | $0.00 | 0.0000 | 3,188,959 | 100.00% | 0.06% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | A | Stock Option (right to buy) | 10634 | $0.00 | 10,634.0000 | 3,188,959 | 9999.99% | 0.33% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | A | Stock Option (right to buy) | 1767 | $0.00 | 1,767.0000 | 3,188,959 | 9999.99% | 0.06% |
| Feb. 28, 2024 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Director | A | Stock Option (right to buy) | 667 | $0.00 | 667.0000 | 3,188,959 | 9999.99% | 0.02% |
| Aug. 4, 2023 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | A | Stock Option (right to buy) | 1083 | $0.00 | 1,083.0000 | 0 | 9999.99% | 0.00% |
| June 30, 2023 | ARTELO BIOSCIENCES, INC. | $ARTL | MATSUI CONNIE | Not found | A | Stock Option (right to buy) | 667 | $0.00 | 667.0000 | 0 | 9999.99% | 0.00% |