Martins Ryan has filed 52 insider transactions across 1 company since January 2023.
Most recent transaction: a disposition of 175000 shares of 89bio, Inc. ($ETNB) on October 30, 2025.
Activity breakdown: 0 open-market purchases and 7 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | D | Stock Option (Right to Buy) | 175000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.11% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | D | Stock Option (Right to Buy) | 110000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.07% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | D | Stock Option (Right to Buy) | 48102 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.03% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 35000 | $0.00 | 374,295.0000 | 157,880,203 | 10.32% | 0.02% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | U | Common Stock | 374295 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.24% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | D | Stock Option (Right to Buy) | 47500 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.03% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | D | Stock Option (Right to Buy) | 57500 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.04% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | D | Stock Option (Right to Buy) | 300000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.19% |
| Oct. 22, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | M | Stock Option (Right to Buy) | 3898 | $0.00 | 48,102.0000 | 157,880,203 | 7.50% | 0.00% |
| Oct. 22, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | M | Common Stock | 76901 | $3.11 | 335,397.0000 | 157,880,203 | 29.75% | 0.05% |
| Oct. 22, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | M | Common Stock | 3898 | $4.44 | 339,295.0000 | 157,880,203 | 1.16% | 0.00% |
| Oct. 22, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | M | Stock Option (Right to Buy) | 76901 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.05% |
| Aug. 1, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 7680 | $9.16 | 253,496.0000 | 157,880,203 | 2.94% | 0.00% |
| June 12, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 8498 | $9.62 | 261,176.0000 | 104,714,613 | 3.15% | 0.01% |
| Feb. 17, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 780 | $10.57 | 269,674.0000 | 104,714,613 | 0.29% | 0.00% |
| Feb. 9, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 3828 | $11.41 | 270,454.0000 | 104,714,613 | 1.40% | 0.00% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Stock Option (Right to Buy) | 300000 | $0.00 | 300,000.0000 | 104,714,613 | 9999.99% | 0.29% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 80000 | $0.00 | 277,620.0000 | 104,714,613 | 40.48% | 0.08% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 3338 | $9.60 | 274,282.0000 | 104,714,613 | 1.20% | 0.00% |
| Dec. 12, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 95000 | $0.00 | 197,620.0000 | 99,831,111 | 32.47% | 0.10% |
| Sept. 9, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 3212 | $8.46 | 102,620.0000 | 99,831,111 | 3.03% | 0.00% |
| Aug. 17, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 777 | $8.04 | 105,832.0000 | 99,831,111 | 0.73% | 0.00% |
| Feb. 17, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 778 | $9.74 | 106,609.0000 | 71,172,870 | 0.72% | 0.00% |
| Feb. 9, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 3568 | $8.45 | 107,387.0000 | 71,172,870 | 3.22% | 0.01% |
| Feb. 5, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 892 | $9.80 | 110,955.0000 | 71,172,870 | 0.80% | 0.00% |
| Feb. 1, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 48750 | $0.00 | 111,847.0000 | 71,172,870 | 77.26% | 0.07% |
| Feb. 1, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Stock Option (Right to Buy) | 175000 | $0.00 | 175,000.0000 | 71,172,870 | 9999.99% | 0.25% |
| Jan. 5, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 6124 | $11.53 | 63,097.0000 | 71,172,870 | 8.85% | 0.01% |
| Jan. 5, 2024 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 15000 | $0.00 | 69,221.0000 | 71,172,870 | 27.66% | 0.02% |
| Sept. 9, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 2074 | $16.61 | 54,221.0000 | 34,806,349 | 3.68% | 0.01% |
| Aug. 1, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 346 | $15.64 | 57,048.0000 | 34,806,349 | 0.60% | 0.00% |
| Aug. 17, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 753 | $15.46 | 56,295.0000 | 34,806,349 | 1.32% | 0.00% |
| June 30, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 5834 | $0.00 | 59,412.0000 | 34,806,349 | 10.89% | 0.02% |
| June 30, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 2018 | $18.95 | 57,394.0000 | 34,806,349 | 3.40% | 0.01% |
| April 4, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 8721 | $14.95 | 53,578.0000 | 34,806,349 | 14.00% | 0.03% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 5833 | $0.00 | 59,411.0000 | 34,806,349 | 10.89% | 0.02% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 2018 | $15.23 | 57,393.0000 | 34,806,349 | 3.40% | 0.01% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 7500 | $0.00 | 64,893.0000 | 34,806,349 | 13.07% | 0.02% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 2594 | $15.23 | 62,299.0000 | 34,806,349 | 4.00% | 0.01% |
| March 23, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 5000 | $16.11 | 53,578.0000 | 34,806,349 | 8.54% | 0.01% |
| Feb. 17, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 1750 | $13.97 | 61,118.0000 | 34,806,349 | 2.78% | 0.01% |
| Feb. 21, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 2540 | $13.89 | 58,578.0000 | 34,806,349 | 4.16% | 0.01% |
| Feb. 9, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Common Stock | 30000 | $0.00 | 62,868.0000 | 34,806,349 | 91.27% | 0.09% |
| Feb. 9, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | A | Stock Option (Right to Buy) | 110000 | $0.00 | 110,000.0000 | 34,806,349 | 9999.99% | 0.32% |
| Feb. 8, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 1480 | $14.41 | 32,868.0000 | 34,806,349 | 4.31% | 0.00% |
| Feb. 3, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | M | Common Stock | 3000 | $3.11 | 38,960.0000 | 34,806,349 | 8.34% | 0.01% |
| Feb. 3, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 3000 | $13.11 | 38,960.0000 | 34,806,349 | 7.15% | 0.01% |
| Feb. 3, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 592 | $12.70 | 35,368.0000 | 34,806,349 | 1.65% | 0.00% |
| Feb. 5, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 592 | $13.24 | 34,348.0000 | 34,806,349 | 1.69% | 0.00% |
| Feb. 3, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | M | Stock Option (Right to Buy) | 3000 | $0.00 | 81,901.0000 | 34,806,349 | 3.53% | 0.01% |
| Feb. 1, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | F | Common Stock | 408 | $12.05 | 35,960.0000 | 34,806,349 | 1.12% | 0.00% |
| Jan. 3, 2023 | 89bio, Inc. | $ETNB | Martins Ryan | Chief Financial Officer | S | Common Stock | 5947 | $12.51 | 36,368.0000 | 34,806,349 | 14.05% | 0.02% |