RNA Insider Trading
Avidity Biosciences, Inc. | Pharmaceutical Preparations
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Avidity Biosciences, Inc. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pharmaceutical Preparations sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-01-24 01:34 | 2026-01-21 | Hughes Steven George | Officer - Chief Medical Officer | SELL | $72.45 | 4,895 | $354,643 | 31,599 | -13.4% |
| 2026-01-24 01:34 | 2026-01-21 | Boyce Sarah | Director, Officer - President and CEO | SELL | $72.45 | 14,387 | $1,042,338 | 269,007 | -5.1% |
| 2026-01-24 01:33 | 2026-01-21 | Flanagan W. Michael | Officer - Chief Scientific Officer | SELL | $72.45 | 6,534 | $473,388 | 85,093 | -7.1% |
| 2026-01-24 01:33 | 2026-01-21 | McCarthy Teresa | Officer - Chief Human Resources Officer | SELL | $72.45 | 2,929 | $212,206 | 113,938 | -2.5% |
| 2026-01-24 01:33 | 2026-01-21 | MacLean Michael F | Officer - Chief Financial Officer | SELL | $72.45 | 4,542 | $329,068 | 59,290 | -7.1% |
| 2026-01-24 01:33 | 2026-01-21 | LEVIN ARTHUR A | Director | SELL | $72.45 | 1,758 | $127,367 | 16,562 | -9.6% |
| 2026-01-10 01:13 | 2026-01-07 | Boyce Sarah | Director, Officer - President and CEO | SELL | $72.23 | 8,576 | $619,444 | 283,394 | -2.9% |
| 2026-01-10 01:13 | 2026-01-07 | Calderaro Charles III | Officer - Chief Technical Officer | SELL | $72.23 | 3,727 | $269,201 | 49,797 | -7.0% |
| 2026-01-10 01:13 | 2026-01-07 | McCarthy Teresa | Officer - Chief Human Resources Officer | SELL | $72.23 | 1,965 | $141,932 | 116,867 | -1.7% |
| 2026-01-10 01:12 | 2026-01-07 | Hughes Steven George | Officer - Chief Medical Officer | SELL | $72.23 | 2,373 | $171,402 | 36,494 | -6.1% |
| 2026-01-10 01:12 | 2026-01-07 | Flanagan W. Michael | Officer - Chief Scientific Officer | SELL | $72.23 | 2,373 | $171,402 | 91,627 | -2.5% |
| 2026-01-10 01:12 | 2026-01-07 | Moriarty John B | Officer - Chief Legal Officer | SELL | $72.23 | 2,374 | $171,474 | 74,557 | -3.1% |
| 2026-01-10 01:12 | 2026-01-07 | MacLean Michael F | Officer - Chief Financial Officer | SELL | $72.23 | 1,974 | $142,582 | 63,832 | -3.0% |
| 2025-10-24 23:56 | 2025-10-22 | Hughes Steven George | Officer - Chief Medical Officer | OPT+S | $47.54 | 2,209 | $105,015 | 38,867 | 0.0% |
| 2025-10-17 23:27 | 2025-10-15 | McCarthy Teresa | Officer - Chief Human Resources Officer | OPT+S | $50.15 | 20,000 | $1,003,058 | 97,130 | 0.0% |
| 2025-10-07 23:11 | 2025-10-03 | Mosbrooker Eric | Officer - Chief Commercial Officer | OPT+S | $45.38 | 6,562 | $297,771 | 55,000 | 0.0% |
| 2025-09-23 23:57 | 2025-09-22 | Hughes Steven George | Officer - Chief Medical Officer | OPT+S | $40.58 | 2,208 | $89,601 | 38,867 | 0.0% |
| 2025-09-17 23:03 | 2025-09-15 | McCarthy Teresa | Officer - Chief Human Resources Officer | OPT+S | $41.41 | 15,000 | $621,143 | 97,130 | 0.0% |
| 2025-09-17 23:02 | 2025-09-15 | Hughes Steven George | Officer - Chief Medical Officer | OPT+S | $45.41 | 1,542 | $70,022 | 38,867 | 0.0% |
| 2025-09-12 23:07 | 2025-09-11 | Flanagan W. Michael | Officer - Chief Scientific Officer | OPT+S | $38.94 | 20,000 | $778,702 | 80,195 | 0.0% |
| 2025-09-10 00:53 | 2025-09-05 | WILSON TROY EDWARD | Director | OPT+S | $50.00 | 29,500 | $1,475,000 | 54,425 | 0.0% |
| 2025-09-06 01:56 | 2025-09-05 | Boyce Sarah | Director, Officer - President and CEO | OPT+S | $49.95 | 50,000 | $2,497,435 | 305,871 | 0.0% |
| 2025-09-06 01:32 | 2025-09-03 | Mosbrooker Eric | Officer - Chief Commercial Officer | OPT+S | $47.07 | 6,563 | $308,936 | 55,000 | 0.0% |
| 2025-09-03 03:30 | 2025-09-02 | Gallagher Kathleen P. | Officer - Chief Program Officer | SELL | $47.42 | 188 | $8,915 | 50,204 | -0.4% |
| 2025-08-29 23:28 | 2025-08-28 | Boyce Sarah | Director, Officer - President and CEO | OPT+S | $49.39 | 25,000 | $1,234,700 | 305,871 | 0.0% |
| 2025-08-23 00:20 | 2025-08-22 | Hughes Steven George | Officer - Chief Medical Officer | OPT+S | $46.40 | 2,208 | $102,462 | 38,867 | 0.0% |
| 2025-08-16 00:50 | 2025-08-15 | McCarthy Teresa | Officer - Chief Human Resources Officer | OPT+S | $46.56 | 10,000 | $465,632 | 97,130 | 0.0% |
| 2025-08-15 23:07 | 2025-08-13 | Hughes Steven George | Officer - Chief Medical Officer | OPT+S | $46.66 | 1,542 | $71,950 | 38,867 | 0.0% |
| 2025-08-15 23:09 | 2025-08-06 | MacLean Michael F | Officer - Chief Financial Officer | SELL | $42.73 | 30,914 | $1,320,844 | 65,806 | -32.0% |
| 2025-08-09 00:45 | 2025-08-06 | Mosbrooker Eric | Officer - Chief Commercial Officer | OPT+S | $44.06 | 130,807 | $5,763,697 | 55,000 | 0.0% |
| 2025-08-09 00:39 | 2025-08-06 | Hughes Steven George | Officer - Chief Medical Officer | OPT+S | $42.74 | 81,434 | $3,480,269 | 38,867 | 0.0% |
| 2025-08-09 00:42 | 2025-08-06 | WILSON TROY EDWARD | Director | OPT+S | $45.00 | 95,054 | $4,277,430 | 17,776 | 0.0% |
| 2025-08-09 00:41 | 2025-08-06 | LEVIN ARTHUR A | Director | OPT+S | $47.62 | 107,500 | $5,118,881 | 19,650 | 0.0% |
| 2025-08-06 00:27 | 2025-08-04 | Moriarty John B | Officer - Chief Legal Officer | SELL | $36.21 | 2,245 | $81,291 | 47,755 | -4.5% |
| 2025-06-19 01:02 | 2025-06-17 | Gallagher Kathleen P. | Officer - Chief Program Officer | SELL | $30.24 | 911 | $27,549 | 50,392 | -1.8% |
| 2025-06-13 01:18 | 2025-06-11 | Flanagan W. Michael | Officer - Chief Scientific Officer | OPT+S | $32.88 | 20,000 | $657,694 | 80,195 | 0.0% |
| 2025-06-04 23:48 | 2025-06-02 | Gallagher Kathleen P. | Officer - Chief Program Officer | OPT+S | $32.48 | 5,875 | $190,833 | 50,554 | 0.0% |
| 2025-05-03 02:55 | 2025-05-01 | Gallagher Kathleen P. | Officer - Chief Program Officer | OPT+S | $32.40 | 5,875 | $190,324 | 50,554 | 0.0% |
| 2025-04-03 23:56 | 2025-04-01 | Gallagher Kathleen P. | Officer - Chief Program Officer | OPT+S | $27.83 | 5,875 | $163,486 | 50,554 | 0.0% |
| 2025-03-22 01:44 | 2025-03-20 | Hughes Steven George | Officer - Chief Medical Officer | SELL | $31.06 | 9,578 | $297,491 | 72,850 | -11.6% |
| 2025-03-22 01:42 | 2025-03-20 | Boyce Sarah | Director, Officer - President and CEO | SELL | $31.06 | 31,540 | $979,563 | 305,871 | -9.3% |
| 2025-03-22 01:40 | 2025-03-20 | Flanagan W. Michael | Officer - Chief Scientific Officer | SELL | $31.06 | 11,780 | $365,868 | 80,195 | -12.8% |
| 2025-03-22 01:36 | 2025-03-20 | McCarthy Teresa | Officer - Chief Human Resources Officer | SELL | $31.06 | 7,778 | $241,583 | 97,130 | -7.4% |
| 2025-03-22 01:38 | 2025-03-20 | MacLean Michael F | Officer - Chief Financial Officer | SELL | $31.06 | 7,935 | $246,425 | 96,720 | -7.6% |
| 2025-03-12 23:23 | 2025-03-11 | Flanagan W. Michael | Officer - Chief Scientific Officer | OPT+S | $30.13 | 20,000 | $602,614 | 91,975 | 0.0% |
| 2025-03-05 02:17 | 2025-03-03 | Gallagher Kathleen P. | Officer - Chief Program Officer | OPT+S | $29.41 | 5,875 | $172,807 | 50,554 | 0.0% |
| 2025-02-06 01:01 | 2025-02-03 | Gallagher Kathleen P. | Officer - Chief Program Officer | OPT+S | $32.16 | 5,875 | $188,918 | 50,554 | 0.0% |
| 2025-01-24 04:14 | 2025-01-21 | McCarthy Teresa | Officer - Chief Human Resources Officer | SELL | $28.59 | 2,959 | $84,611 | 104,908 | -2.7% |
| 2025-01-24 04:12 | 2025-01-21 | Flanagan W. Michael | Officer - Chief Scientific Officer | SELL | $28.60 | 5,672 | $162,192 | 91,975 | -5.8% |
| 2025-01-24 04:10 | 2025-01-21 | Boyce Sarah | Director, Officer - President and CEO | SELL | $28.59 | 10,397 | $297,292 | 337,411 | -3.0% |
How to Interpret $RNA Trades
Not every insider transaction in Avidity Biosciences, Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $RNA shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for RNA
Insider activity data for Avidity Biosciences, Inc. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $RNA, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.