Insider · CIK 0001862121
Teresa McCarthy
Files at RNA (Avidity Biosciences, Inc.). First filing Oct 17, 2024, latest Jan 23, 2026.
Teresa McCarthy files SEC Form 4 as officer at RNA (Avidity Biosciences, Inc.). Since Oct 17, 2024, Teresa McCarthy has reported 0 open-market buys worth $0 and 11 open-market sells worth $6.2M, the latest filed on Jan 23, 2026.
A track record needs three past buys with six months of prices behind them; Teresa McCarthy has 0, so none is measured yet.
The newest scored trade: sold $212k of RNA on Jan 21, 2026, filed Jan 23, 2026, scored 22 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 3 sells worth $1.4M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RNA: Avidity Biosciences, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 22Weak | Avidity Biosciences, Inc. | $212k 2,929 shares | -3% | - | |
| 21Weak | Avidity Biosciences, Inc. | $142k 1,965 shares | -2% | - | |
| 25Weak | Avidity Biosciences, Inc. | $1.0M 20,000 shares | -17% | - | |
| 20Weak | Avidity Biosciences, Inc. | $621k 15,000 shares | -13% | - | |
| 12Weak | Avidity Biosciences, Inc. | $466k 10,000 shares | -9% | - | |
| 23Weak | Avidity Biosciences, Inc. | $242k 7,778 shares | -7% | - | |
| 19Weak | Avidity Biosciences, Inc. | $85k 2,959 shares | -3% | - | |
| 30Weak | Avidity Biosciences, Inc. | $364k 11,151 shares | -12% | - | |
| 23Weak | Avidity Biosciences, Inc. | $832k 25,000 shares | -21% | - | |
| 25Weak | Avidity Biosciences, Inc. | $1.0M 25,000 shares | -21% | - | |
| 18Weak | Avidity Biosciences, Inc. | $1.2M 25,000 shares | -21% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 15, 2025 | RNA Avidity Biosciences, Inc. | 45,000 0.03% of outstanding | $2.1M | Aug 15, 2025 | none |
| Dec 16, 2024 | RNA Avidity Biosciences, Inc. | 25,000 0.02% of outstanding | $812k | Dec 16, 2024 | $2.8M |
Transactions
Every row this insider has filed, 37 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Common Stock | -165,296 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -106,000 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -65,000 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -57,500 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -108,000 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -54,000 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -78,000 | - | - | 0 | Feb 27, 2026 |
| Feb 27, 2026 | RNA Avidity Biosciences, Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -50,000 | - | - | 0 | Feb 27, 2026 |
| Jan 21, 2026 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -1,476 | $72.45 | $107k | 115,391 | Jan 23, 2026 |
| Jan 21, 2026 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -1,453 | $72.45 | $105k | 113,938 | Jan 23, 2026 |
| Jan 7, 2026 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -1,965 | $72.23 | $142k | 116,867 | Jan 9, 2026 |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | AGrant or award Common Stock | +39,000 | $0.00 | $0 | 136,130 | Dec 19, 2025 |
| Dec 17, 2025 | RNA Avidity Biosciences, Inc. | FTax withholding Common Stock | -17,298 | $71.87 | $1.2M | 118,832 | Dec 19, 2025 |
| Oct 15, 2025 | RNA Avidity Biosciences, Inc. | MOption exercise Common Stock10b5-1 | +20,000 | $22.34 | $447k | 117,130 | Oct 17, 2025 |
| Oct 15, 2025 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -20,000 | $50.15 | $1.0M | 97,130 | Oct 17, 2025 |
| Oct 15, 2025 | RNA Avidity Biosciences, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 65,000 | Oct 17, 2025 |
| Sep 15, 2025 | RNA Avidity Biosciences, Inc. | MOption exercise Common Stock10b5-1 | +15,000 | $22.34 | $335k | 112,130 | Sep 17, 2025 |
| Sep 15, 2025 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -15,000 | $41.41 | $621k | 97,130 | Sep 17, 2025 |
| Sep 15, 2025 | RNA Avidity Biosciences, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -15,000 | $0.00 | $0 | 85,000 | Sep 17, 2025 |
| Aug 15, 2025 | RNA Avidity Biosciences, Inc. | MOption exercise Common Stock10b5-1 | +10,000 | $22.34 | $223k | 107,130 | Aug 15, 2025 |
| Aug 15, 2025 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -10,000 | $46.56 | $466k | 97,130 | Aug 15, 2025 |
| Aug 15, 2025 | RNA Avidity Biosciences, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -10,000 | $0.00 | $0 | 100,000 | Aug 15, 2025 |
| Mar 20, 2025 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -7,778 | $31.06 | $242k | 97,130 | Mar 21, 2025 |
| Jan 21, 2025 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -1,738 | $28.59 | $50k | 106,129 | Jan 23, 2025 |
| Jan 21, 2025 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -1,221 | $28.60 | $35k | 104,908 | Jan 23, 2025 |
| Jan 6, 2025 | RNA Avidity Biosciences, Inc. | AGrant or award Common Stock | +25,000 | $0.00 | $0 | 107,867 | Jan 8, 2025 |
| Jan 6, 2025 | RNA Avidity Biosciences, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +50,000 | $0.00 | $0 | 50,000 | Jan 8, 2025 |
| Dec 18, 2024 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -11,151 | $32.66 | $364k | 82,867 | Dec 19, 2024 |
| Dec 16, 2024 | RNA Avidity Biosciences, Inc. | MOption exercise Common Stock10b5-1 | +25,000 | $14.22 | $356k | 119,018 | Dec 18, 2024 |
| Dec 16, 2024 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $33.26 | $832k | 94,018 | Dec 18, 2024 |
| Dec 16, 2024 | RNA Avidity Biosciences, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -25,000 | $0.00 | $0 | 57,500 | Dec 18, 2024 |
| Nov 18, 2024 | RNA Avidity Biosciences, Inc. | MOption exercise Common Stock10b5-1 | +25,000 | $14.22 | $356k | 119,018 | Nov 20, 2024 |
| Nov 18, 2024 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $41.14 | $1.0M | 94,018 | Nov 20, 2024 |
| Nov 18, 2024 | RNA Avidity Biosciences, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -25,000 | $0.00 | $0 | 82,500 | Nov 20, 2024 |
| Oct 16, 2024 | RNA Avidity Biosciences, Inc. | MOption exercise Common Stock10b5-1 | +25,000 | $14.22 | $356k | 119,018 | Oct 17, 2024 |
| Oct 16, 2024 | RNA Avidity Biosciences, Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $48.52 | $1.2M | 94,018 | Oct 17, 2024 |
| Oct 16, 2024 | RNA Avidity Biosciences, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -25,000 | $0.00 | $0 | 107,500 | Oct 17, 2024 |
Questions about Teresa McCarthy
Answered from the filings on this page, as of the latest one.
Is Teresa McCarthy buying or selling?
In the last 12 months Teresa McCarthy reported 0 open-market buys worth $0 and 3 open-market sells worth $1.4M on SEC Form 4; the latest was sold $212k of RNA on Jan 21, 2026. Grants, option exercises and tax withholding are not counted.
How did Teresa McCarthy's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Teresa McCarthy has 0.
Where does Teresa McCarthy file Form 4?
Teresa McCarthy has filed Form 4 at RNA (Avidity Biosciences, Inc.) as Chief Human Resources Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.