Insider · CIK 0001708269
Atlas Venture Fund XI, L.P.
Files at THRD (Third Harmonic Bio, Inc.), SION (Sionna Therapeutics, Inc.). First filing Feb 10, 2025, latest Feb 10, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SION: Sionna Therapeutics, 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 |
|---|---|---|---|---|---|
| 50Moderate | Sionna Therapeutics, Inc. | $1.1M 60,000 shares | +8% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Common Stock | +2,886,293 | - | - | 2,886,293 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Common Stockindirect: By Atlas Venture Opportunity Fund II, L.P. | +747,727 | - | - | 747,727 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | POpen-market purchase Common Stockindirect: By Atlas Venture Opportunity Fund II, L.P. | +60,000 | $18.00 | $1.1M | 807,727 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Series Seed convertible preferred stockderivative | -1,051,051 | $0.00 | $0 | 0 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Series A convertible preferred stockderivative | -1,806,317 | $0.00 | $0 | 0 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Series B convertible preferred stockderivative | -1,298,332 | $0.00 | $0 | 0 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Series C convertible preferred stockderivative | -61,463 | $0.00 | $0 | 0 | Feb 10, 2025 |
| Feb 10, 2025 | SION Sionna Therapeutics, Inc. | CConversion Series C convertible preferred stockderivativeindirect: By Atlas Venture Opportunity Fund II, L.P. | -1,092,504 | $0.00 | $0 | 0 | Feb 10, 2025 |
| Nov 1, 2024 | THRD Third Harmonic Bio, Inc. | JOther Common Stock10b5-1 | -515,688 | $0.00 | $0 | 9,798,075 | Nov 5, 2024 |
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.