RNA
Avidity Biosciences, Inc.
NASDAQ · Healthcare · Biotechnology · US
$14.19
−2.81%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+19.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jan 23, 2026 | Hughes Steven George · officer: Chief Medical Officer | Sale | 2,017 | $72 |
| Jan 23, 2026 | Hughes Steven George · officer: Chief Medical Officer | Sale | 2,878 | $72 |
| Jan 23, 2026 | Boyce Sarah · director, officer: President and CEO | Sale | 6,394 | $72 |
| Jan 23, 2026 | Boyce Sarah · director, officer: President and CEO | Sale | 7,993 | $72 |
| Jan 23, 2026 | Flanagan W. Michael · officer: Chief Scientific Officer | Sale | 3,976 | $72 |
| Jan 23, 2026 | Flanagan W. Michael · officer: Chief Scientific Officer | Sale | 2,558 | $72 |
| Jan 23, 2026 | MacLean Michael F · officer: Chief Financial Officer | Sale | 1,807 | $72 |
| Jan 23, 2026 | MacLean Michael F · officer: Chief Financial Officer | Sale | 2,735 | $72 |
| Jan 23, 2026 | LEVIN ARTHUR A · director | Sale | 1,758 | $72 |
| Jan 23, 2026 | McCarthy Teresa · officer: Chief Human Resources Officer | Sale | 1,476 | $72 |
| Jan 23, 2026 | McCarthy Teresa · officer: Chief Human Resources Officer | Sale | 1,453 | $72 |
| Jan 9, 2026 | Boyce Sarah · director, officer: President and CEO | Sale | 8,576 | $72 |
| Jan 9, 2026 | Calderaro Charles III · officer: Chief Technical Officer | Sale | 3,727 | $72 |
| Jan 9, 2026 | McCarthy Teresa · officer: Chief Human Resources Officer | Sale | 1,965 | $72 |
| Jan 9, 2026 | Moriarty John B · officer: Chief Legal Officer | Sale | 2,374 | $72 |
| Jan 9, 2026 | MacLean Michael F · officer: Chief Financial Officer | Sale | 1,974 | $72 |
| Jan 9, 2026 | Hughes Steven George · officer: Chief Medical Officer | Sale | 2,373 | $72 |
| Jan 9, 2026 | Flanagan W. Michael · officer: Chief Scientific Officer | Sale | 2,373 | $72 |
| Dec 19, 2025 | Calderaro Charles III · officer: Chief Technical Officer | A-Award | 23,250 | $0.00 |
| Dec 19, 2025 | Calderaro Charles III · officer: Chief Technical Officer | F-InKind | 9,726 | $72 |
| Dec 19, 2025 | Flanagan W. Michael · officer: Chief Scientific Officer | A-Award | 27,500 | $0.00 |
| Dec 19, 2025 | Flanagan W. Michael · officer: Chief Scientific Officer | F-InKind | 13,695 | $72 |
| Dec 19, 2025 | Mosbrooker Eric · officer: Chief Commercial Officer | A-Award | 72,000 | $0.00 |
| Dec 19, 2025 | Mosbrooker Eric · officer: Chief Commercial Officer | F-InKind | 36,564 | $72 |
| Dec 19, 2025 | Mosbrooker Eric · officer: Chief Commercial Officer | F-InKind | 11,426 | $72 |
| Dec 19, 2025 | Boyce Sarah · director, officer: President and CEO | A-Award | 31,000 | $0.00 |
| Dec 19, 2025 | Boyce Sarah · director, officer: President and CEO | F-InKind | 15,742 | $72 |
| Dec 19, 2025 | Moriarty John B · officer: Chief Legal Officer | A-Award | 56,000 | $0.00 |
| Dec 19, 2025 | Moriarty John B · officer: Chief Legal Officer | F-InKind | 26,824 | $72 |
| Dec 19, 2025 | Gallagher Kathleen P. · officer: Chief Program Officer | A-Award | 72,000 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 64Increased 63Reduced 167Sold out 54
| Filer | Action | Shares | Filed |
|---|---|---|---|
| AVORO CAPITAL ADVISORS LLC | Reduced | 5,455,000 | Mar 16, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 3,776,785 | Mar 25, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1,553,210 | May 15, 2026 |
| Sessa Capital IM, L.P. | Increased | 1,500,000 | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 1,472,984 | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 1,447,476 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 1,205,291 | May 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 1,030,143 | May 15, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Reduced | 864,102 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 840,600 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 730,831 | Aug 13, 2026 |
| CRCM LP | New Position | 641,539 | Aug 18, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 626,869 | May 15, 2026 |
| TIG ADVISORS, LLC | Reduced | 607,552 | May 15, 2026 |
| PENTWATER CAPITAL MANAGEMENT LP | Reduced | 602,649 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jan 23, 2026