SIONSionna Therapeutics, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-21.
Insider buys (90d)
$0.00
Insider sells (90d)
$131.01M
Net flow
$-131.01M
Filings
5
Buy transactions
0
Sell transactions
12
Distinct insiders
10
Last close (cached)
$4.15
as of 2026-10-20
1d return
+3.5%
5d return
-5.3%
1m return
-30.8%
Top insiders trading SION (90d)
Recent transactions (20)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-21 | 2026-09-17 | RA CAPITAL MANAGEMENT, L.P. | Sale | 33,800 | $7.46 | $252.1K | open → |
| 2026-09-21 | 2026-09-17 | RA Capital Healthcare Fund LP Director | Sale | 33,800 | $7.46 | $252.1K | open → |
| 2026-09-21 | 2026-09-17 | RA Capital Nexus Fund, L.P. Director | Sale | 33,800 | $7.46 | $252.1K | open → |
| 2026-09-21 | 2026-09-17 | RA Capital Nexus Fund III, L.P. Director | Sale | 33,800 | $7.46 | $252.1K | open → |
| 2026-09-21 | 2026-09-17 | Kolchinsky Peter Director10% | Sale | 33,800 | $7.46 | $252.1K | open → |
| 2026-09-21 | 2026-09-17 | Shah Rajeev M. Director10% | Sale | 33,800 | $7.46 | $252.1K | open → |
| 2026-09-21 | 2026-09-17 | RA CAPITAL MANAGEMENT, L.P. | Sale | 3,415,011 | $6.32 | $21.58M | open → |
| 2026-09-21 | 2026-09-17 | Shah Rajeev M. Director10% | Sale | 3,415,011 | $6.32 | $21.58M | open → |
| 2026-09-21 | 2026-09-17 | Kolchinsky Peter Director10% | Sale | 3,415,011 | $6.32 | $21.58M | open → |
| 2026-09-21 | 2026-09-17 | RA Capital Nexus Fund III, L.P. Director | Sale | 3,415,011 | $6.32 | $21.58M | open → |
| 2026-09-21 | 2026-09-17 | RA Capital Nexus Fund, L.P. Director | Sale | 3,415,011 | $6.32 | $21.58M | open → |
| 2026-09-21 | 2026-09-17 | RA Capital Healthcare Fund LP Director | Sale | 3,415,011 | $6.32 | $21.58M | open → |
| 2026-09-18 | 2026-09-17 | Ridloff Elena Officer | Grant | 47,268 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | Ridloff Elena Officer | Grant | 47,269 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | McKee Charlotte Officer | Grant | 50,000 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | McKee Charlotte Officer | Grant | 50,000 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | Fitzpatrick Jennifer Officer | Grant | 28,132 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | Fitzpatrick Jennifer Officer | Grant | 28,133 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | Cloonan Michael OfficerDirector | Grant | 109,025 | $0.00 | $0.00 | open → |
| 2026-09-18 | 2026-09-17 | Cloonan Michael OfficerDirector | Grant | 109,025 | $0.00 | $0.00 | open → |
Other tickers these insiders trade
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