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Detailed Insider History for:
AVIDITY BIOSCIENCES INC: RNA
Price: 3/28/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$31.60 $56.00 $21.56 $3,799 120 1,352 0.0% 16.5% 107.33% 5.03%
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
GALLAGHER KATHLEEN P
O
OS
$163,486
5,875
---
4/1/25
---
$27.83
50,554
-10.4
D
10b
4/3/25 - 4:56:11 pm
2
    
 
GALLAGHER KATHLEEN P
O
OE
$87,004
5,875
---
4/1/25
$14.70
$16.65
56,100
11.7
D
10b
4/3/25 - 4:56:11 pm
3
1m
1
0%
3%
2
HUGHES STEVEN GEORGE
O
AS
$297,491
9,578
---
3/20/25
---
$31.06
72,850
-11.6
D
10b
3/21/25 - 6:44:16 pm
4
1y
7
43%
20%
5
BOYCE SARAH
PR,CEO,DIR
AS
$979,563
31,540
---
3/20/25
---
$31.06
305,871
-9.3
D
10b
3/21/25 - 6:42:24 pm
5
    
 
FLANAGAN W MICHAEL
O
AS
$365,868
11,780
---
3/20/25
---
$31.06
80,195
-12.8
D
10b
3/21/25 - 6:40:25 pm
6
1y
2
0%
113%
2
MACLEAN MICHAEL F
CFO
AS
$246,425
7,935
---
3/20/25
---
$31.06
96,720
-7.6
D
10b
3/21/25 - 6:38:38 pm
7
    
 
MCCARTHY TERESA
HR
AS
$241,583
7,778
---
3/20/25
---
$31.06
97,130
-7.4
D
10b
3/21/25 - 6:36:32 pm
8
    
 
FLANAGAN W MICHAEL
O
OS
$602,614
20,000
---
3/11/25
---
$30.13
91,975
-17.9
D
10b
3/12/25 - 4:23:54 pm
9
    
 
FLANAGAN W MICHAEL
O
OE
$284,400
20,000
---
3/11/25
---
$14.22
111,975
21.7
D
10b
3/12/25 - 4:23:54 pm
10
    
 
GALLAGHER KATHLEEN P
O
OS
$172,807
5,875
---
3/3/25
---
$29.41
50,554
-10.4
D
10b
3/4/25 - 6:17:43 pm
11
    
 
GALLAGHER KATHLEEN P
O
OE
$86,363
5,875
---
3/3/25
---
$14.70
56,429
11.6
D
10b
3/4/25 - 6:17:43 pm
12
    
 
GALLAGHER KATHLEEN P
O
OS
$188,918
5,875
---
2/3/25
---
$32.16
50,554
-10.4
D
10b
2/5/25 - 5:01:04 pm
13
    
 
GALLAGHER KATHLEEN P
O
OE
$97,819
5,875
---
2/3/25
---
$16.65
56,429
11.6
D
10b
2/5/25 - 5:01:04 pm
14
    
 
GALLAGHER KATHLEEN P
O
AS
$277,912
9,411
1/21/25
1/22/25
$28.59
$30.16
50,554
-15.7
D
10b
1/23/25 - 8:08:22 pm
15
1y
14
64%
-10%
3
LEVIN ARTHUR A
DIR
AS
$53,537
1,872
---
1/21/25
---
$28.60
12,958
-12.6
D
10b
1/23/25 - 8:17:27 pm
16
1y
2
0%
113%
2
MACLEAN MICHAEL F
CFO
AS
$93,985
3,287
---
1/21/25
---
$28.59
104,655
-3.0
D
10b
1/23/25 - 8:15:24 pm
17
    
 
MCCARTHY TERESA
HR
AS
$84,612
2,959
---
1/21/25
$28.59
$28.60
104,908
-2.7
D
10b
1/23/25 - 8:14:00 pm
18
    
 
FLANAGAN W MICHAEL
O
AS
$162,192
5,672
---
1/21/25
---
$28.59
91,975
-5.8
D
10b
1/23/25 - 8:12:08 pm
19
1y
7
43%
20%
5
BOYCE SARAH
PR,CEO,DIR
AS
$297,291
10,397
---
1/21/25
---
$28.59
337,411
-3.0
D
10b
1/23/25 - 8:10:06 pm
20
1m
1
0%
3%
2
HUGHES STEVEN GEORGE
O
AS
$112,856
3,947
---
1/21/25
---
$28.59
82,428
-4.6
D
10b
1/23/25 - 8:06:41 pm
21
    
 
FLANAGAN W MICHAEL
O
JB
---
25,000
---
1/6/25
---
---
97,647
34.4
D
R
1/8/25 - 8:35:52 pm
22
    
 
MCCARTHY TERESA
HR
JB
---
25,000
---
1/6/25
---
---
107,867
30.2
D
R
1/8/25 - 8:31:06 pm
23
    
 
MORIARTY JOHN B
LO
JB
---
25,000
---
1/6/25
---
---
50,000
100.0
D
R
1/8/25 - 8:29:15 pm
24
    
 
MACLEAN MICHAEL F
CFO
JB
---
25,000
---
1/6/25
---
---
107,942
30.1
D
R
1/8/25 - 8:26:49 pm
25
    
 
BOYCE SARAH
PR,CEO,DIR
JB
---
82,500
---
1/6/25
---
---
347,808
31.1
D
R
1/8/25 - 8:24:56 pm
26
    
 
HUGHES STEVEN GEORGE
O
JB
---
25,000
---
1/6/25
---
---
86,375
40.7
D
R
1/8/25 - 8:22:27 pm
27
    
 
GALLAGHER KATHLEEN P
O
JB
---
25,000
---
1/6/25
---
---
59,965
71.5
D
R
1/8/25 - 8:16:31 pm
28
    
 
MOSBROOKER ERIC
O
JB
---
25,000
---
1/6/25
---
---
61,120
69.2
D
R
1/8/25 - 8:14:54 pm
29
    
 
CALDERARO CHARLES III
CTO
JB
---
40,000
---
1/6/25
---
---
40,000
New
D
R
1/8/25 - 8:13:12 pm
30
    
 
MOSBROOKER ERIC
O
3
---
---
---
1/6/25
---
---
36,120
---
D
R
1/8/25 - 7:04:44 pm
31
    
 
GALLAGHER KATHLEEN P
O
3
---
---
---
1/6/25
---
---
34,965
---
D
R
1/8/25 - 6:52:20 pm
32
    
 
HUGHES STEVEN GEORGE
O
3
---
---
---
1/6/25
---
---
61,375
---
D
R
1/8/25 - 6:46:20 pm
33
    
 
CALDERARO CHARLES III
CTO
3
---
---
---
1/6/25
---
---
---
---
---
---
1/8/25 - 6:42:50 pm
34
    
 
FLANAGAN W MICHAEL
O
AS
$416,154
12,742
---
12/18/24
---
$32.66
72,647
-14.9
D
10b
12/19/24 - 6:17:42 pm
35
1y
2
0%
113%
2
MACLEAN MICHAEL F
CFO
AS
$364,192
11,151
---
12/18/24
---
$32.66
82,942
-11.9
D
10b
12/19/24 - 6:16:47 pm
36
1y
7
43%
20%
5
BOYCE SARAH
PR,CEO,DIR
AS
$1,040,384
31,855
---
12/18/24
---
$32.66
265,308
-10.7
D
10b
12/19/24 - 6:15:58 pm
37
    
 
MCCARTHY TERESA
HR
AS
$364,192
11,151
---
12/18/24
---
$32.66
82,867
-11.9
D
10b
12/19/24 - 6:15:05 pm
38
    
 
MCCARTHY TERESA
HR
OS
$831,605
25,000
---
12/16/24
---
$33.26
94,018
-21.0
D
10b
12/18/24 - 4:46:40 pm
39
    
 
MCCARTHY TERESA
HR
OE
$355,500
25,000
---
12/16/24
---
$14.22
119,018
26.6
D
10b
12/18/24 - 4:46:40 pm
40
    
 
FLANAGAN W MICHAEL
O
OS
$858,401
24,000
---
12/11/24
---
$35.77
85,389
-21.9
D
10b
12/13/24 - 6:08:39 pm
41
    
 
FLANAGAN W MICHAEL
O
OE
$539,280
24,000
---
12/11/24
---
$22.47
109,389
28.1
D
10b
12/13/24 - 6:08:39 pm
42
1y
14
64%
-10%
3
LEVIN ARTHUR A
DIR
OS
$139,973
3,323
---
11/19/24
---
$42.12
14,830
-18.3
D
10b
11/20/24 - 6:06:43 pm
43
    
 
LEVIN ARTHUR A
DIR
OE
$4,121
3,323
---
11/19/24
---
$1.24
18,153
22.4
D
10b
11/20/24 - 6:06:43 pm
44
    
 
MCCARTHY TERESA
HR
OS
$1,028,520
25,000
---
11/18/24
---
$41.14
94,018
-21.0
D
10b
11/20/24 - 6:10:34 pm
45
    
 
MCCARTHY TERESA
HR
OE
$355,500
25,000
---
11/18/24
---
$14.22
119,018
26.6
D
10b
11/20/24 - 6:10:34 pm
46
1y
2
0%
113%
2
MACLEAN MICHAEL F
CFO
OS
$4,843,979
106,319
---
11/6/24
---
$45.33
94,093
-53.1
D
10b
11/8/24 - 4:50:47 pm
47
    
 
MACLEAN MICHAEL F
CFO
OE
$666,064
79,057
---
11/6/24
---
$6.57
159,275
98.6
D
10b
11/8/24 - 4:50:47 pm
48
1y
14
64%
-10%
3
LEVIN ARTHUR A
DIR
OS
$233,168
5,000
---
10/21/24
---
$46.63
14,830
-25.2
D
10b
10/23/24 - 4:19:52 pm
49
    
 
LEVIN ARTHUR A
DIR
OE
$6,200
5,000
---
10/21/24
---
$1.24
19,830
33.7
D
10b
10/23/24 - 4:19:52 pm
50
    
 
MCCARTHY TERESA
HR
OS
$1,213,010
25,000
---
10/16/24
---
$48.52
94,018
-21.0
D
10b
10/17/24 - 4:20:20 pm
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