SEC Insider Transactions from MacLean Michael F.

Last updated: 2026-04-03 21:06 UTC | Total transactions: 50

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.

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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%