Insider Trading activities at Avidity Biosciences, Inc. (RNA)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Avidity Biosciences, Inc. (RNA) since 2020 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Avidity Biosciences, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1599901.

Total stock buying since 2020: $36,900,000.
Total stock sales since 2020: $89,903,331.
Total stock option exercises since 2020: $15,382,459.


13 insiders reported insider trading activities at Avidity Biosciences, Inc. (RNA):
Insider trading activities of Maclean Michael F
Insider trading activities of Mccarthy Teresa
Insider trading activities of Hughes Steven George
Insider trading activities of Boyce Sarah
Insider trading activities of Wilson Troy Edward
Insider trading activities of Mosbrooker Eric
Insider trading activities of Wong Roderick
Insider trading activities of Levin Arthur A
Insider trading activities of Gallagher Kathleen P.
Insider trading activities of Cormorant Private Healthcare Fund Ii, Lp
Insider trading activities of Thompson Tamar
Insider trading activities of Moriarty John B
Insider trading activities of Flanagan W. Michael

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Avidity Biosciences, Inc. (RNA).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 0 $0 657,459 $27,170,191 411,388 $5,781,417
2024 0 $0 1,561,578 $54,894,324 1,196,568 $9,291,219
2023 0 $0 70,000 $1,677,075 70,000 $86,799
2022 0 $0 170,000 $3,792,069 170,000 $178,668
2021 800,000 $14,400,000 87,022 $2,369,672 50,000 $44,356
2020 1,250,000 $22,500,000 0 $0 0 $0

Table 2. Monthly summary of insider trading at Avidity Biosciences, Inc. (RNA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-09 0 $0 188 $8,914 0 $0
2025-08 0 $0 486,704 $21,917,220 347,888 $4,832,801
2025-06 0 $0 26,786 $876,079 25,875 $382,218
2025-05 0 $0 5,875 $190,326 5,875 $97,818
2025-03 0 $0 94,486 $2,906,356 25,875 $370,762
2025-02 0 $0 5,875 $188,916 5,875 $97,818
2025-01 0 $0 37,545 $1,082,380 0 $0
2024-12 0 $0 115,899 $3,874,927 49,000 $894,780
2024-11 0 $0 28,323 $1,168,496 28,323 $359,620
2024-10 0 $0 122,500 $5,771,545 122,500 $2,862,475
2024-09 0 $0 223,937 $9,369,483 126,500 $2,736,565
2024-08 0 $0 33,000 $1,439,773 33,000 $40,920
2024-07 0 $0 33,000 $1,343,166 33,000 $40,920
2024-06 0 $0 600,517 $22,550,367 437,245 $1,332,359
2024-05 0 $0 108,000 $2,985,619 108,000 $702,420
2024-04 0 $0 53,000 $1,391,261 33,000 $40,920
2024-03 0 $0 228,641 $4,850,161 226,000 $280,240
2024-01 0 $0 14,761 $149,526 0 $0
2023-02 0 $0 60,000 $1,457,045 60,000 $74,399
2023-01 0 $0 10,000 $220,030 10,000 $12,400
2022-12 0 $0 40,000 $880,560 40,000 $49,600
2022-08 0 $0 130,000 $2,911,509 130,000 $129,068
2021-11 0 $0 25,000 $697,225 25,000 $22,125
2021-08 800,000 $14,400,000 0 $0 0 $0

Table 3. Detailed insider trading at Avidity Biosciences, Inc. (RNA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-09-02 Gallagher Kathleen P. (Chief Program Officer) Sale 188 47.42 8,914
2025-08-28 Boyce Sarah (President and CEO) Sale 25,000 49.39 1,234,700
2025-08-28 Boyce Sarah (President and CEO) Option Ex 25,000 1.24 31,000
2025-08-22 Hughes Steven George (Chief Medical Officer) Sale 2,208 46.41 102,462
2025-08-22 Hughes Steven George (Chief Medical Officer) Option Ex 2,208 10.16 22,433
2025-08-15 Mccarthy Teresa (Chief Human Resources Officer) Sale 10,000 46.56 465,630
2025-08-15 Mccarthy Teresa (Chief Human Resources Officer) Option Ex 10,000 22.34 223,400
2025-08-13 Hughes Steven George (Chief Medical Officer) Sale 1,542 46.66 71,949
2025-08-13 Hughes Steven George (Chief Medical Officer) Option Ex 1,542 6.57 10,130
2025-08-06 Hughes Steven George (Chief Medical Officer) Sale 81,434 42.74 3,480,244
2025-08-06 Hughes Steven George (Chief Medical Officer) Option Ex 47,451 13.79 654,349
2025-08-06 Mosbrooker Eric (Chief Commercial Officer) Sale 130,807 44.06 5,763,748
2025-08-06 Mosbrooker Eric (Chief Commercial Officer) Option Ex 124,687 9.05 1,128,417
2025-08-06 Wilson Troy Edward (Director) Sale 95,054 45.00 4,277,430
2025-08-06 Wilson Troy Edward (Director) Option Ex 29,500 12.26 361,522
2025-08-06 Maclean Michael F (Chief Financial Officer) Sale 30,914 42.73 1,320,831
2025-08-06 Levin Arthur A (Director) Sale 107,500 47.62 5,118,935
2025-08-06 Levin Arthur A (Director) Option Ex 107,500 22.34 2,401,550
2025-08-04 Moriarty John B (Chief Legal Officer) Sale 2,245 36.21 81,291
2025-06-17 Gallagher Kathleen P. (Chief Program Officer) Sale 911 30.24 27,548
2025-06-11 Flanagan W. Michael (Chief Scientific Officer) Sale 20,000 32.88 657,700
2025-06-11 Flanagan W. Michael (Chief Scientific Officer) Option Ex 20,000 14.22 284,400
2025-06-02 Gallagher Kathleen P. (Chief Program Officer) Sale 5,875 32.48 190,831
2025-06-02 Gallagher Kathleen P. (Chief Program Officer) Option Ex 5,875 16.65 97,818
2025-05-01 Gallagher Kathleen P. (Chief Program Officer) Sale 5,875 32.40 190,326
2025-05-01 Gallagher Kathleen P. (Chief Program Officer) Option Ex 5,875 16.65 97,818
2025-03-20 Mccarthy Teresa (Chief Human Resources Officer) Sale 7,778 31.06 241,584
2025-03-20 Flanagan W. Michael (Chief Scientific Officer) Sale 11,780 31.06 365,863
2025-03-20 Hughes Steven George (Chief Medical Officer) Sale 9,578 31.06 297,492
2025-03-20 Boyce Sarah (President and CEO) Sale 31,540 31.06 979,569
2025-03-20 Maclean Michael F (Chief Financial Officer) Sale 7,935 31.05 246,421
2025-03-11 Flanagan W. Michael (Chief Scientific Officer) Sale 20,000 30.13 602,620
2025-03-11 Flanagan W. Michael (Chief Scientific Officer) Option Ex 20,000 14.22 284,400
2025-03-03 Gallagher Kathleen P. (Chief Program Officer) Sale 5,875 29.41 172,807
2025-03-03 Gallagher Kathleen P. (Chief Program Officer) Option Ex 5,875 14.70 86,362
2025-02-03 Gallagher Kathleen P. (Chief Program Officer) Sale 5,875 32.16 188,916
2025-02-03 Gallagher Kathleen P. (Chief Program Officer) Option Ex 5,875 16.65 97,818
2025-01-22 Gallagher Kathleen P. (Chief Program Officer) Sale 5,629 30.16 169,776
2025-01-21 Gallagher Kathleen P. (Chief Program Officer) Sale 3,782 28.59 108,138
2025-01-21 Mccarthy Teresa (Chief Human Resources Officer) Sale 2,959 28.59 84,612
2025-01-21 Flanagan W. Michael (Chief Scientific Officer) Sale 5,672 28.59 162,185
2025-01-21 Hughes Steven George (Chief Medical Officer) Sale 3,947 28.59 112,856
2025-01-21 Boyce Sarah (President and CEO) Sale 10,397 28.59 297,291
2025-01-21 Maclean Michael F (Chief Financial Officer) Sale 3,287 28.59 93,985
2025-01-21 Levin Arthur A (Director) Sale 1,872 28.60 53,537
2024-12-18 Mccarthy Teresa (Chief Human Resources Officer) Sale 11,151 32.66 364,191
2024-12-18 Flanagan W. Michael (CSTO) Sale 12,742 32.66 416,153
2024-12-18 Boyce Sarah (President and CEO) Sale 31,855 32.66 1,040,384
2024-12-18 Maclean Michael F (Chief Financial Officer) Sale 11,151 32.66 364,191
2024-12-16 Mccarthy Teresa (Chief Human Resources Officer) Sale 25,000 33.26 831,600
2024-12-16 Mccarthy Teresa (Chief Human Resources Officer) Option Ex 25,000 14.22 355,500
2024-12-11 Flanagan W. Michael (CSTO) Sale 24,000 35.77 858,408
2024-12-11 Flanagan W. Michael (CSTO) Option Ex 24,000 22.47 539,280
2024-11-19 Levin Arthur A (Director) Sale 3,323 42.12 139,971
2024-11-19 Levin Arthur A (Director) Option Ex 3,323 1.24 4,120
2024-11-18 Mccarthy Teresa (Chief Human Resources Officer) Sale 25,000 41.14 1,028,525
2024-11-18 Mccarthy Teresa (Chief Human Resources Officer) Option Ex 25,000 14.22 355,500
2024-10-21 Levin Arthur A (Director) Sale 5,000 46.63 233,170
2024-10-21 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-10-16 Mccarthy Teresa (Chief Human Resources Officer) Sale 25,000 48.52 1,213,000
2024-10-16 Mccarthy Teresa (Chief Human Resources Officer) Option Ex 25,000 14.22 355,500
2024-10-07 Thompson Tamar (Director) Sale 30,000 44.98 1,349,250
2024-10-07 Thompson Tamar (Director) Option Ex 30,000 27.63 828,900
2024-10-01 Flanagan W. Michael (CSTO) Sale 62,500 47.62 2,976,125
2024-10-01 Flanagan W. Michael (CSTO) Option Ex 62,500 26.75 1,671,875
2024-09-23 Mccarthy Teresa (Chief Human Resources Officer) Sale 13,153 44.00 578,732
2024-09-23 Flanagan W. Michael (CSTO) Sale 25,000 43.95 1,098,675
2024-09-23 Boyce Sarah (President and CEO) Sale 32,880 44.00 1,446,720
2024-09-23 Maclean Michael F (Chief Financial Officer) Sale 11,510 44.00 506,440
2024-09-19 Levin Arthur A (Director) Sale 5,000 45.73 228,660
2024-09-19 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-09-11 Mccarthy Teresa (Chief Human Resources Officer) Sale 25,000 40.40 1,010,050
2024-09-11 Mccarthy Teresa (Chief Human Resources Officer) Option Ex 25,000 14.22 355,500
2024-09-11 Flanagan W. Michael (CSTO) Sale 111,394 40.40 4,500,206
2024-09-11 Flanagan W. Michael (CSTO) Option Ex 96,500 24.61 2,374,865
2024-08-19 Levin Arthur A (Director) Sale 5,000 45.19 225,945
2024-08-19 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-08-06 Boyce Sarah (President and CEO) Sale 28,000 43.35 1,213,828
2024-08-06 Boyce Sarah (President and CEO) Option Ex 28,000 1.24 34,720
2024-07-19 Levin Arthur A (Director) Sale 5,000 45.01 225,070
2024-07-19 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-07-09 Boyce Sarah (President and CEO) Sale 28,000 39.93 1,118,096
2024-07-09 Boyce Sarah (President and CEO) Option Ex 28,000 1.24 34,720
2024-06-20 Levin Arthur A (Director) Sale 5,000 37.59 187,950
2024-06-20 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-06-18 Mccarthy Teresa (Chief Human Resources Officer) Sale 9,864 39.13 385,968
2024-06-18 Flanagan W. Michael (CSTO) Sale 10,106 39.13 395,447
2024-06-18 Boyce Sarah (President and CEO) Sale 32,074 39.13 1,255,055
2024-06-18 Maclean Michael F (Chief Financial Officer) Sale 11,228 39.13 439,340
2024-06-14 Boyce Sarah (President and CEO) Sale 35,767 40.08 1,433,469
2024-06-14 Boyce Sarah (President and CEO) Option Ex 35,767 1.24 44,351
2024-06-13 Boyce Sarah (President and CEO) Sale 164,233 40.08 6,581,801
2024-06-13 Boyce Sarah (President and CEO) Option Ex 164,233 1.24 203,648
2024-06-13 Levin Arthur A (Director) Sale 60,000 40.08 2,404,800
2024-06-12 Boyce Sarah (President and CEO) Sale 100,000 35.73 3,572,999
2024-06-12 Boyce Sarah (President and CEO) Option Ex 100,000 1.24 124,000
2024-06-12 Maclean Michael F (Chief Financial Officer) Sale 104,245 35.72 3,723,110
2024-06-12 Maclean Michael F (Chief Financial Officer) Option Ex 104,245 8.82 919,440
2024-06-12 Levin Arthur A (Director) Sale 40,000 35.07 1,402,640
2024-06-04 Boyce Sarah (President and CEO) Sale 28,000 27.42 767,788
2024-06-04 Boyce Sarah (President and CEO) Option Ex 28,000 1.24 34,720
2024-05-20 Levin Arthur A (Director) Sale 5,000 29.90 149,480
2024-05-20 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-05-14 Maclean Michael F (Chief Financial Officer) Sale 75,000 28.28 2,121,075
2024-05-14 Maclean Michael F (Chief Financial Officer) Option Ex 75,000 8.82 661,500
2024-05-07 Boyce Sarah (President and CEO) Sale 28,000 25.54 715,064
2024-05-07 Boyce Sarah (President and CEO) Option Ex 28,000 1.24 34,720
2024-04-19 Levin Arthur A (Director) Sale 5,000 22.82 114,125
2024-04-19 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-04-03 Levin Arthur A (Director) Sale 20,000 27.11 542,220
2024-04-02 Boyce Sarah (President and CEO) Sale 28,000 26.25 734,916
2024-04-02 Boyce Sarah (President and CEO) Option Ex 28,000 1.24 34,720
2024-03-19 Levin Arthur A (Director) Sale 5,000 23.97 119,850
2024-03-19 Levin Arthur A (Director) Option Ex 5,000 1.24 6,200
2024-03-12 Boyce Sarah (President and CEO) Sale 28,000 22.63 633,696
2024-03-12 Boyce Sarah (President and CEO) Option Ex 28,000 1.24 34,720
2024-03-12 Levin Arthur A (Director) Sale 27,641 22.02 608,599
2024-03-12 Levin Arthur A (Director) Option Ex 25,000 1.24 31,000
2024-03-08 Boyce Sarah (President and CEO) Sale 84,000 21.39 1,796,676
2024-03-08 Boyce Sarah (President and CEO) Option Ex 84,000 1.24 104,160
2024-03-01 Boyce Sarah (President and CEO) Sale 84,000 20.14 1,691,340
2024-03-01 Boyce Sarah (President and CEO) Option Ex 84,000 1.24 104,160
2024-01-22 Mccarthy Teresa (Chief Human Resources Officer) Sale 2,065 10.13 20,918
2024-01-22 Flanagan W. Michael (CSTO) Sale 4,129 10.13 41,826
2024-01-22 Boyce Sarah (President and CEO) Sale 5,092 10.13 51,581
2024-01-22 Maclean Michael F (Chief Financial Officer) Sale 1,616 10.13 16,370
2024-01-22 Levin Arthur A (Director) Sale 1,859 10.13 18,831
2023-02-14 Levin Arthur A (Chief Scientific Officer) Sale 10,000 23.93 239,310
2023-02-14 Levin Arthur A (Chief Scientific Officer) Option Ex 10,000 1.24 12,400
2023-02-03 Boyce Sarah (President and CEO) Sale 3,221 24.26 78,141
2023-02-03 Boyce Sarah (President and CEO) Option Ex 3,221 1.24 3,994
2023-02-02 Boyce Sarah (President and CEO) Sale 45,879 24.36 1,117,750
2023-02-02 Boyce Sarah (President and CEO) Option Ex 45,879 1.24 56,889
2023-02-01 Boyce Sarah (President and CEO) Sale 900 24.27 21,844
2023-02-01 Boyce Sarah (President and CEO) Option Ex 900 1.24 1,116
2023-01-12 Levin Arthur A (Chief Scientific Officer) Sale 10,000 22.00 220,030
2023-01-12 Levin Arthur A (Chief Scientific Officer) Option Ex 10,000 1.24 12,400
2022-12-29 Levin Arthur A (Chief Scientific Officer) Sale 40,000 22.01 880,560
2022-12-29 Levin Arthur A (Chief Scientific Officer) Option Ex 40,000 1.24 49,600
2022-08-25 Boyce Sarah (President and CEO) Sale 14,855 23.07 342,689
2022-08-25 Boyce Sarah (President and CEO) Option Ex 14,855 1.24 18,420
2022-08-24 Boyce Sarah (President and CEO) Sale 35,045 22.80 798,920
2022-08-24 Boyce Sarah (President and CEO) Option Ex 35,045 1.24 43,455
2022-08-16 Levin Arthur A (Chief Scientific Officer) Sale 3,499 22.08 77,257
2022-08-16 Levin Arthur A (Chief Scientific Officer) Option Ex 3,499 1.24 4,338
2022-08-15 Boyce Sarah (President and CEO) Sale 100 22.47 2,247
2022-08-15 Boyce Sarah (President and CEO) Option Ex 100 1.24 124
2022-08-15 Levin Arthur A (Chief Scientific Officer) Sale 62,498 22.12 1,382,330
2022-08-15 Levin Arthur A (Chief Scientific Officer) Option Ex 62,498 .89 55,310
2022-08-12 Levin Arthur A (Chief Scientific Officer) Sale 14,003 22.00 308,066
2022-08-12 Levin Arthur A (Chief Scientific Officer) Option Ex 14,003 .53 7,421
2021-11-18 Levin Arthur A (Chief Scientific Officer) Sale 25,000 27.89 697,225
2021-11-18 Levin Arthur A (Chief Scientific Officer) Option Ex 25,000 .89 22,125
2021-08-04 Wong Roderick (MP and CIO) Buy 800,000 18.00 14,400,000
2021-06-25 Levin Arthur A (Chief Scientific Officer) Sale 20,100 28.55 573,955
2021-06-25 Levin Arthur A (Chief Scientific Officer) Option Ex 20,100 .89 17,788
2021-06-24 Levin Arthur A (Chief Scientific Officer) Sale 100 27.75 2,775
2021-06-24 Levin Arthur A (Chief Scientific Officer) Option Ex 100 1.24 124
2021-06-17 Levin Arthur A (Chief Scientific Officer) Sale 200 27.75 5,550
2021-06-17 Levin Arthur A (Chief Scientific Officer) Option Ex 200 1.24 248
2021-06-15 Levin Arthur A (Chief Scientific Officer) Sale 23,019 26.02 599,069
2021-06-14 Levin Arthur A (Chief Scientific Officer) Sale 14,003 25.92 362,915
2021-03-16 Levin Arthur A (Chief Scientific Officer) Sale 4,600 27.87 128,183
2021-03-16 Levin Arthur A (Chief Scientific Officer) Option Ex 4,600 .89 4,071
2020-06-16 Cormorant Private Healthcare Fund Ii, Lp Buy 300,000 18.00 5,400,000
2020-06-16 Wong Roderick (Director) Buy 950,000 18.00 17,100,000

Insider trading activities including stock purchases, stock sales, and option exercises of RNA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Avidity Biosciences, Inc. (symbol RNA, CIK number 1599901) see the Securities and Exchange Commission (SEC) website.



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