Insider Transactions in Q4 2025 at Avidity Biosciences, Inc. (RNA)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 19
2025
|
Arthur A Levin Director |
SELL
Bona fide gift
|
Direct |
1,330
-6.77%
|
-
|
|
Dec 18
2025
|
Sarah Boyce President and CEO |
SELL
Bona fide gift
|
Direct |
29,159
-9.08%
|
-
|
|
Dec 17
2025
|
W. Michael Flanagan Chief Scientific Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
13,695
-12.72%
|
$972,345
$71.87 P/Share
|
|
Dec 17
2025
|
W. Michael Flanagan Chief Scientific Officer |
BUY
Grant, award, or other acquisition
|
Direct |
27,500
+20.34%
|
-
|
|
Dec 17
2025
|
Charles Calderaro Iii Chief Technical Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
9,726
-15.38%
|
$690,546
$71.87 P/Share
|
|
Dec 17
2025
|
Charles Calderaro Iii Chief Technical Officer |
BUY
Grant, award, or other acquisition
|
Direct |
23,250
+26.88%
|
-
|
|
Dec 17
2025
|
John B Moriarty Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
26,824
-25.85%
|
$1,904,504
$71.87 P/Share
|
|
Dec 17
2025
|
John B Moriarty Chief Legal Officer |
BUY
Grant, award, or other acquisition
|
Direct |
56,000
+35.05%
|
-
|
|
Dec 17
2025
|
Sarah Boyce President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
15,742
-4.67%
|
$1,117,682
$71.87 P/Share
|
|
Dec 17
2025
|
Sarah Boyce President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
31,000
+8.43%
|
-
|
|
Dec 17
2025
|
Eric Mosbrooker Chief Commercial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
47,990
-20.71%
|
$3,407,290
$71.87 P/Share
|
|
Dec 17
2025
|
Eric Mosbrooker Chief Commercial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
72,000
+36.18%
|
-
|
|
Dec 17
2025
|
Teresa Mc Carthy Chief Human Resources Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
17,298
-12.71%
|
$1,228,158
$71.87 P/Share
|
|
Dec 17
2025
|
Teresa Mc Carthy Chief Human Resources Officer |
BUY
Grant, award, or other acquisition
|
Direct |
39,000
+22.27%
|
-
|
|
Dec 17
2025
|
Kathleen P. Gallagher Chief Program Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
41,366
-18.16%
|
$2,936,986
$71.87 P/Share
|
|
Dec 17
2025
|
Kathleen P. Gallagher Chief Program Officer |
BUY
Grant, award, or other acquisition
|
Direct |
72,000
+37.07%
|
-
|
|
Oct 22
2025
|
Steven George Hughes Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
2,209
-5.38%
|
$103,823
$47.54 P/Share
|
|
Oct 22
2025
|
Steven George Hughes Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,209
+5.1%
|
$22,090
$10.16 P/Share
|
|
Oct 15
2025
|
Teresa Mc Carthy Chief Human Resources Officer |
SELL
Open market or private sale
|
Direct |
20,000
-17.08%
|
$1,000,000
$50.15 P/Share
|
|
Oct 15
2025
|
Teresa Mc Carthy Chief Human Resources Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+14.58%
|
$440,000
$22.34 P/Share
|
|
Oct 03
2025
|
Eric Mosbrooker Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
6,562
-10.66%
|
$295,290
$45.38 P/Share
|
|
Oct 03
2025
|
Eric Mosbrooker Chief Commercial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
6,562
+9.63%
|
$59,058
$9.05 P/Share
|