MacLean Michael F, CFO of Avidity Biosciences Inc ($RNAM), made five open market sales of company shares over the past year, totaling $2.04 million. His latest sale occurred on January 21, 2026. These transactions rank 3,465th among 11,678 insiders in our database by sale value, trailing the average of $8.59 million across 6.4 transactions per seller. He recorded no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Camp4 Therapeutics Corp | $CAMP | MacLean Michael F | Director | A | Stock Option (Right to Buy) | 56000 | $0.00 | 56,000.0000 | 46,881,134 | 9999.99% | 0.12% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Common Stock | 133977 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.09% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Stock Option (Right to Buy) | 92000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.06% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Stock Option (Right to Buy) | 131250 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.09% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Stock Option (Right to Buy) | 148000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.10% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Stock Option (Right to Buy) | 60125 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.04% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Stock Option (Right to Buy) | 50000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.03% |
| Feb. 27, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | D | Stock Option (Right to Buy) | 106000 | $0.00 | 0.0000 | 150,675,742 | 100.00% | 0.07% |
| Jan. 21, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 2735 | $72.45 | 59,290.0000 | 150,675,742 | 4.41% | 0.00% |
| Jan. 21, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 1807 | $72.45 | 62,025.0000 | 150,675,742 | 2.83% | 0.00% |
| Jan. 7, 2026 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 1974 | $72.23 | 63,832.0000 | 150,675,742 | 3.00% | 0.00% |
| Aug. 6, 2025 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 30914 | $42.73 | 65,806.0000 | 120,212,301 | 31.96% | 0.03% |
| July 25, 2025 | Verve Therapeutics, Inc. | $VERV | MacLean Michael F | Not found | D | Stock Option (right to buy) | 136139 | $0.00 | 0.0000 | 89,143,237 | 100.00% | 0.15% |
| July 25, 2025 | Verve Therapeutics, Inc. | $VERV | MacLean Michael F | Not found | D | Stock Option (right to buy) | 42200 | $0.00 | 0.0000 | 89,143,237 | 100.00% | 0.05% |
| June 5, 2025 | Verve Therapeutics, Inc. | $VERV | MacLean Michael F | Not found | A | Stock Option (right to buy) | 42200 | $0.00 | 42,200.0000 | 89,143,237 | 9999.99% | 0.05% |
| March 20, 2025 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 7935 | $31.06 | 96,720.0000 | 120,212,301 | 7.58% | 0.01% |
| Jan. 21, 2025 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 1622 | $28.59 | 106,320.0000 | 0 | 1.50% | 0.00% |
| Jan. 21, 2025 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 1665 | $28.59 | 104,655.0000 | 0 | 1.57% | 0.00% |
| Jan. 6, 2025 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 25000 | $0.00 | 107,942.0000 | 0 | 30.14% | 0.00% |
| Jan. 6, 2025 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Stock Option (Right to Buy) | 50000 | $0.00 | 50,000.0000 | 0 | 9999.99% | 0.00% |
| Dec. 18, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 11151 | $32.66 | 82,942.0000 | 0 | 11.85% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Stock Option (Right to Buy) | 65182 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Common Stock | 13875 | $6.57 | 107,968.0000 | 0 | 14.75% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 13875 | $45.33 | 94,093.0000 | 0 | 12.85% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Stock Option (Right to Buy) | 13875 | $0.00 | 60,125.0000 | 0 | 18.75% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 27262 | $46.22 | 94,093.0000 | 0 | 22.46% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Common Stock | 65182 | $8.82 | 159,275.0000 | 0 | 69.27% | 0.00% |
| Nov. 6, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 65182 | $45.33 | 94,093.0000 | 0 | 40.92% | 0.00% |
| Sept. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 25000 | $0.00 | 107,865.0000 | 0 | 30.17% | 0.00% |
| Sept. 19, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 25000 | $0.00 | 121,355.0000 | 0 | 25.95% | 0.00% |
| Sept. 23, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 11510 | $44.00 | 96,355.0000 | 0 | 10.67% | 0.00% |
| June 26, 2024 | Verve Therapeutics, Inc. | $VERV | MacLean Michael F | Not found | A | Stock Option (right to buy) | 136139 | $0.00 | 136,139.0000 | 0 | 9999.99% | 0.00% |
| June 17, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 25000 | $0.00 | 69,093.0000 | 0 | 56.70% | 0.00% |
| June 18, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 11228 | $39.13 | 57,865.0000 | 0 | 16.25% | 0.00% |
| June 17, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 25000 | $0.00 | 82,865.0000 | 0 | 43.20% | 0.00% |
| June 12, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Stock Option (Right to Buy) | 104245 | $0.00 | 65,182.0000 | 0 | 61.53% | 0.00% |
| June 12, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Common Stock | 104245 | $8.82 | 148,338.0000 | 0 | 236.42% | 0.00% |
| June 12, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 104245 | $35.72 | 44,093.0000 | 0 | 70.28% | 0.00% |
| May 14, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Stock Option (Right to Buy) | 75000 | $0.00 | 169,427.0000 | 0 | 30.68% | 0.00% |
| May 14, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 75000 | $28.28 | 44,093.0000 | 0 | 62.98% | 0.00% |
| May 14, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Common Stock | 75000 | $8.82 | 119,093.0000 | 0 | 170.10% | 0.00% |
| March 13, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Stock Option (Right to Buy) | 40000 | $0.00 | 244,427.0000 | 0 | 14.06% | 0.00% |
| March 13, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 40000 | $24.52 | 44,093.0000 | 0 | 47.57% | 0.00% |
| March 13, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | M | Common Stock | 40000 | $8.82 | 84,093.0000 | 0 | 90.72% | 0.00% |
| Jan. 20, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Stock Option (Right to Buy) | 106000 | $0.00 | 106,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 22, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | S | Common Stock | 1616 | $10.13 | 16,884.0000 | 0 | 8.74% | 0.00% |
| Jan. 20, 2024 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 22500 | $0.00 | 27,209.0000 | 0 | 477.81% | 0.00% |
| Sept. 11, 2023 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Stock Option (Right to Buy) | 74000 | $0.00 | 74,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 20, 2023 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Stock Option (Right to Buy) | 148000 | $0.00 | 148,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 20, 2023 | Avidity Biosciences, Inc. | $RNAM | MacLean Michael F | Chief Financial Officer | A | Common Stock | 18500 | $0.00 | 21,852.0000 | 0 | 551.91% | 0.00% |