Arthur A. Levin, a director at Avidity Biosciences, Inc. ($RNAM), sold shares on the open market twice in the last 365 days for a total of $5.25 million. His most recent sale occurred on January 21, 2026. These sales rank 1,863rd among 11,678 individual insiders, below the average sale amount of $8.6 million across about six transactions. Levin made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | S | Common Stock | 605 | $36.80 | 22,216.0000 | 60,397,681 | 2.65% | 0.00% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Stock Option (Right to Buy) | 12500 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Stock Option (Right to Buy) | 115500 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.08% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Stock Option (Right to Buy) | 144000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.10% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Stock Option (Right to Buy) | 13489 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Stock Option (Right to Buy) | 10034 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Common Stock | 131372 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.09% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Not found | D | Common Stock | 16562 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.01% |
| Jan. 21, 2026 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 1758 | $72.45 | 170,434.0000 | 150,675,742 | 1.02% | 0.00% |
| Dec. 31, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Common Stock | 1211 | $0.00 | 22,821.0000 | 60,397,681 | 5.60% | 0.00% |
| Dec. 31, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Restricted Stock Units | 1211 | $0.00 | 0.0000 | 60,397,681 | 100.00% | 0.00% |
| Dec. 19, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | G | Common Stock | 1330 | $0.00 | 172,192.0000 | 150,675,742 | 0.77% | 0.00% |
| Sept. 30, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Restricted Stock Units | 1211 | $0.00 | 1,211.0000 | 54,008,883 | 50.00% | 0.00% |
| Sept. 30, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Common Stock | 1211 | $0.00 | 21,610.0000 | 54,008,883 | 5.94% | 0.00% |
| Aug. 6, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 107500 | $0.00 | 12,500.0000 | 120,212,301 | 89.58% | 0.09% |
| Aug. 6, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 107500 | $47.62 | 173,522.0000 | 120,212,301 | 38.25% | 0.09% |
| Aug. 6, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 107500 | $22.34 | 281,022.0000 | 120,212,301 | 61.95% | 0.09% |
| June 30, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Common Stock | 1210 | $0.00 | 20,399.0000 | 54,008,883 | 6.31% | 0.00% |
| June 30, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Restricted Stock Units | 1210 | $0.00 | 2,422.0000 | 54,008,883 | 33.31% | 0.00% |
| June 10, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | A | Common Stock | 6692 | $0.00 | 151,022.0000 | 120,212,301 | 4.64% | 0.01% |
| June 10, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | A | Stock Option (Right to Buy) | 10034 | $0.00 | 10,034.0000 | 120,212,301 | 9999.99% | 0.01% |
| June 3, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | A | Director Stock Option (Right to Buy) | 29747 | $0.00 | 29,747.0000 | 54,008,883 | 9999.99% | 0.06% |
| March 31, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Common Stock | 1210 | $0.00 | 19,189.0000 | 54,008,883 | 6.73% | 0.00% |
| March 31, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | M | Restricted Stock Units | 1210 | $0.00 | 3,632.0000 | 54,008,883 | 24.99% | 0.00% |
| March 19, 2025 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | A | Restricted Stock Units | 4842 | $0.00 | 4,842.0000 | 54,008,883 | 9999.99% | 0.01% |
| Jan. 21, 2025 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 1872 | $28.60 | 144,330.0000 | 0 | 1.28% | 0.00% |
| Nov. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 3323 | $42.12 | 146,202.0000 | 0 | 2.22% | 0.00% |
| Nov. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 3323 | $1.24 | 149,525.0000 | 0 | 2.27% | 0.00% |
| Nov. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 3323 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Oct. 21, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 3,323.0000 | 0 | 60.07% | 0.00% |
| Oct. 21, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $46.63 | 146,202.0000 | 0 | 3.31% | 0.00% |
| Oct. 21, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 151,202.0000 | 0 | 3.42% | 0.00% |
| Sept. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 8,323.0000 | 0 | 37.53% | 0.00% |
| Sept. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $45.73 | 146,202.0000 | 0 | 3.31% | 0.00% |
| Sept. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 151,202.0000 | 0 | 3.42% | 0.00% |
| Sept. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | G | Common Stock | 22500 | $0.00 | 168,702.0000 | 0 | 15.39% | 0.00% |
| Sept. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | G | Common Stock | 22500 | $0.00 | 168,702.0000 | 0 | 11.77% | 0.00% |
| Aug. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $45.19 | 168,702.0000 | 0 | 2.88% | 0.00% |
| Aug. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 173,702.0000 | 0 | 2.96% | 0.00% |
| Aug. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 13,323.0000 | 0 | 27.29% | 0.00% |
| July 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 173,702.0000 | 0 | 2.96% | 0.00% |
| July 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 18,323.0000 | 0 | 21.44% | 0.00% |
| July 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $45.01 | 168,702.0000 | 0 | 2.88% | 0.00% |
| June 20, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 23,323.0000 | 0 | 17.65% | 0.00% |
| June 20, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 173,702.0000 | 0 | 2.96% | 0.00% |
| June 20, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $37.59 | 168,702.0000 | 0 | 2.88% | 0.00% |
| June 12, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 40000 | $35.07 | 228,702.0000 | 0 | 14.89% | 0.00% |
| June 13, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | A | Stock Option (Right to Buy) | 13489 | $0.00 | 13,489.0000 | 0 | 9999.99% | 0.00% |
| June 13, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 60000 | $40.08 | 168,702.0000 | 0 | 26.24% | 0.00% |
| June 5, 2024 | Stoke Therapeutics, Inc. | $STOK | LEVIN ARTHUR A | Not found | A | Director Stock Option (Right to Buy) | 7639 | $0.00 | 7,639.0000 | 43,994,862 | 9999.99% | 0.02% |
| May 20, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 28,323.0000 | 0 | 15.00% | 0.00% |
| May 20, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 273,702.0000 | 0 | 1.86% | 0.00% |
| May 20, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $29.90 | 268,702.0000 | 0 | 1.83% | 0.00% |
| April 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 273,702.0000 | 0 | 1.86% | 0.00% |
| April 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $22.82 | 268,702.0000 | 0 | 1.83% | 0.00% |
| April 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 33,323.0000 | 0 | 13.05% | 0.00% |
| April 3, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 20000 | $27.11 | 268,702.0000 | 0 | 6.93% | 0.00% |
| March 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 5000 | $0.00 | 38,323.0000 | 0 | 11.54% | 0.00% |
| March 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 5000 | $1.24 | 293,702.0000 | 0 | 1.73% | 0.00% |
| March 19, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 5000 | $23.97 | 288,702.0000 | 0 | 1.70% | 0.00% |
| March 12, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 25000 | $0.00 | 43,323.0000 | 0 | 36.59% | 0.00% |
| March 12, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 25000 | $1.24 | 316,343.0000 | 0 | 8.58% | 0.00% |
| March 12, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 25000 | $22.04 | 291,343.0000 | 0 | 7.90% | 0.00% |
| March 12, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 2641 | $22.00 | 288,702.0000 | 0 | 0.91% | 0.00% |
| Jan. 22, 2024 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 1859 | $10.13 | 291,343.0000 | 0 | 0.63% | 0.00% |
| March 15, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Stock Option (Right to Buy) | 100 | $0.00 | 68,323.0000 | 0 | 0.15% | 0.00% |
| March 15, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | S | Common Stock | 100 | $22.01 | 293,202.0000 | 0 | 0.03% | 0.00% |
| March 15, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Director | M | Common Stock | 100 | $1.24 | 293,302.0000 | 0 | 0.03% | 0.00% |
| Feb. 14, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | S | Common Stock | 523 | $24.24 | 293,202.0000 | 0 | 0.18% | 0.00% |
| Feb. 14, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | S | Common Stock | 9477 | $23.62 | 293,725.0000 | 0 | 3.13% | 0.00% |
| Feb. 14, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | M | Common Stock | 10000 | $1.24 | 303,202.0000 | 0 | 3.41% | 0.00% |
| Feb. 14, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | M | Stock Option (Right to Buy) | 10000 | $0.00 | 68,423.0000 | 0 | 12.75% | 0.00% |
| Jan. 20, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | A | Stock Option (Right to Buy) | 144000 | $0.00 | 144,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 20, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | A | Common Stock | 18000 | $0.00 | 293,202.0000 | 0 | 6.54% | 0.00% |
| Jan. 12, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | S | Common Stock | 10000 | $22.00 | 275,202.0000 | 0 | 3.51% | 0.00% |
| Jan. 12, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | M | Common Stock | 10000 | $1.24 | 285,202.0000 | 0 | 3.63% | 0.00% |
| Jan. 12, 2023 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | M | Stock Option (Right to Buy) | 10000 | $0.00 | 78,423.0000 | 0 | 11.31% | 0.00% |
| Dec. 29, 2022 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | S | Common Stock | 40000 | $22.01 | 1,330.0000 | 0 | 96.78% | 0.00% |
| Dec. 29, 2022 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | M | Common Stock | 40000 | $1.24 | 41,330.0000 | 0 | 3007.52% | 0.00% |
| Dec. 29, 2022 | Avidity Biosciences, Inc. | $RNAM | LEVIN ARTHUR A | Chief Scientific Officer | M | Stock Option (Right to Buy) | 40000 | $0.00 | 88,423.0000 | 0 | 31.15% | 0.00% |