Insider · CIK 0001704336
Michael Cloonan
ceopresidentofficerdirector
Files at BLUE (bluebird bio, Inc.), SION (Sionna Therapeutics, Inc.). First filing Aug 21, 2025, latest Sep 30, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $1.9M sold
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.
SIONOct 9, 2026 · close 4.90
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 |
|---|---|---|---|---|---|
| 11Weak | Sionna Therapeutics, Inc. | $728k 25,000 shares | -4% | +278% from low0% from high | |
| 18Weak | Sionna Therapeutics, Inc. | $624k 25,000 shares | -4% | +229% from low0% from high | |
| 9Weak | Sionna Therapeutics, Inc. | $569k 25,000 shares | -4% | +197% from low-9% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | SION Sionna Therapeutics, Inc. | AGrant or award Common Stock | +109,025 | $0.00 | $0 | 656,368 | 24 d ago |
| Sep 17, 2026 | SION Sionna Therapeutics, Inc. | AGrant or award Common Stock | +109,025 | $0.00 | $0 | 765,393 | 24 d ago |
| Sep 17, 2026 | SION Sionna Therapeutics, Inc. | AGrant or award Non-Qualified Stock Option (right to buy)derivative | +436,100 | $0.00 | $0 | 436,100 | 24 d ago |
| Sep 17, 2026 | SION Sionna Therapeutics, Inc. | DDisposition to issuer Non-Qualified Stock Option (right to buy)derivative | -436,100 | $0.00 | $0 | 0 | 24 d ago |
| Sep 26, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Common Stock10b5-1 | +17,207 | $6.11 | $105k | 564,550 | Sep 30, 2025 |
| Sep 26, 2025 | SION Sionna Therapeutics, Inc. | SOpen-market sale Common Stock10b5-1 | -17,207 | $28.85 | $496k | 547,343 | Sep 30, 2025 |
| Sep 29, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Common Stock10b5-1 | +7,793 | $6.11 | $48k | 555,136 | Sep 30, 2025 |
| Sep 29, 2025 | SION Sionna Therapeutics, Inc. | SOpen-market sale Common Stock10b5-1 | -7,793 | $29.70 | $231k | 547,343 | Sep 30, 2025 |
| Sep 26, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -17,207 | $0.00 | $0 | 185,935 | Sep 30, 2025 |
| Sep 29, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -7,793 | $0.00 | $0 | 178,142 | Sep 30, 2025 |
| Aug 26, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Common Stock10b5-1 | +17,574 | $6.11 | $107k | 564,917 | Aug 28, 2025 |
| Aug 26, 2025 | SION Sionna Therapeutics, Inc. | SOpen-market sale Common Stock10b5-1 | -17,574 | $24.96 | $439k | 547,343 | Aug 28, 2025 |
| Aug 27, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Common Stock10b5-1 | +7,426 | $6.11 | $45k | 554,769 | Aug 28, 2025 |
| Aug 27, 2025 | SION Sionna Therapeutics, Inc. | SOpen-market sale Common Stock10b5-1 | -7,426 | $25.01 | $186k | 547,343 | Aug 28, 2025 |
| Aug 26, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -17,574 | $0.00 | $0 | 210,568 | Aug 28, 2025 |
| Aug 27, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -7,426 | $0.00 | $0 | 203,142 | Aug 28, 2025 |
| Aug 20, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Common Stock10b5-1 | +25,000 | $6.11 | $153k | 572,343 | Aug 21, 2025 |
| Aug 20, 2025 | SION Sionna Therapeutics, Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $22.75 | $569k | 547,343 | Aug 21, 2025 |
| Aug 20, 2025 | SION Sionna Therapeutics, Inc. | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -25,000 | $0.00 | $0 | 228,142 | Aug 21, 2025 |
| Jun 2, 2025 | BLUE bluebird bio, Inc. | DDisposition to issuer Common Stock | -1,867 | - | - | 0 | Jun 3, 2025 |
| Feb 6, 2025 | SION Sionna Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +450,252 | $0.00 | $0 | 450,252 | Feb 10, 2025 |
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.