SIONSionna Therapeutics, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-05-30.
Insider buys (90d)
$0.00
Insider sells (90d)
$116.36M
Net flow
$-116.36M
Filings
8
Buy transactions
0
Sell transactions
27
Distinct insiders
3
Last close (cached)
$35.37
as of 2026-06-05
1d return
-6.4%
5d return
-17.4%
1m return
-18.3%
Top insiders trading SION (90d)
Recent transactions (27)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-30 | 2026-05-27 | Thompson Peter A. Director | Sale | 101 | $44.49 | $4.5K | open → |
| 2026-05-30 | 2026-05-27 | ORBIMED ADVISORS LLC Director | Sale | 101 | $44.49 | $4.5K | open → |
| 2026-05-30 | 2026-05-27 | OrbiMed Capital GP VIII LLC Director | Sale | 101 | $44.49 | $4.5K | open → |
| 2026-05-11 | 2026-05-11 | Thompson Peter A. Director | Sale | 184,639 | $46.22 | $8.53M | open → |
| 2026-05-11 | 2026-05-08 | Thompson Peter A. Director | Sale | 59,767 | $44.58 | $2.66M | open → |
| 2026-05-11 | 2026-05-07 | Thompson Peter A. Director | Sale | 48,546 | $44.61 | $2.17M | open → |
| 2026-05-11 | 2026-05-11 | OrbiMed Capital GP VIII LLC Director | Sale | 184,639 | $46.22 | $8.53M | open → |
| 2026-05-11 | 2026-05-11 | ORBIMED ADVISORS LLC Director | Sale | 184,639 | $46.22 | $8.53M | open → |
| 2026-05-11 | 2026-05-08 | ORBIMED ADVISORS LLC Director | Sale | 59,767 | $44.58 | $2.66M | open → |
| 2026-05-11 | 2026-05-08 | OrbiMed Capital GP VIII LLC Director | Sale | 59,767 | $44.58 | $2.66M | open → |
| 2026-05-11 | 2026-05-07 | OrbiMed Capital GP VIII LLC Director | Sale | 48,546 | $44.61 | $2.17M | open → |
| 2026-05-11 | 2026-05-07 | ORBIMED ADVISORS LLC Director | Sale | 48,546 | $44.61 | $2.17M | open → |
| 2026-04-21 | 2026-04-18 | Thompson Peter A. Director | Sale | 2,948 | $44.52 | $131.2K | open → |
| 2026-04-21 | 2026-04-17 | Thompson Peter A. Director | Sale | 52,397 | $44.68 | $2.34M | open → |
| 2026-04-21 | 2026-04-18 | OrbiMed Capital GP VIII LLC Director | Sale | 2,948 | $44.52 | $131.2K | open → |
| 2026-04-21 | 2026-04-18 | ORBIMED ADVISORS LLC Director | Sale | 2,948 | $44.52 | $131.2K | open → |
| 2026-04-21 | 2026-04-17 | OrbiMed Capital GP VIII LLC Director | Sale | 52,397 | $44.68 | $2.34M | open → |
| 2026-04-21 | 2026-04-17 | ORBIMED ADVISORS LLC Director | Sale | 52,397 | $44.68 | $2.34M | open → |
| 2026-04-16 | 2026-04-16 | Thompson Peter A. Director | Sale | 226,906 | $45.34 | $10.29M | open → |
| 2026-04-16 | 2026-04-15 | Thompson Peter A. Director | Sale | 235,863 | $44.64 | $10.53M | open → |
| 2026-04-16 | 2026-04-14 | Thompson Peter A. Director | Sale | 47,814 | $44.51 | $2.13M | open → |
| 2026-04-16 | 2026-04-16 | ORBIMED ADVISORS LLC Director | Sale | 226,906 | $45.34 | $10.29M | open → |
| 2026-04-16 | 2026-04-16 | OrbiMed Capital GP VIII LLC Director | Sale | 226,906 | $45.34 | $10.29M | open → |
| 2026-04-16 | 2026-04-15 | OrbiMed Capital GP VIII LLC Director | Sale | 235,863 | $44.64 | $10.53M | open → |
| 2026-04-16 | 2026-04-15 | ORBIMED ADVISORS LLC Director | Sale | 235,863 | $44.64 | $10.53M | open → |
| 2026-04-16 | 2026-04-14 | ORBIMED ADVISORS LLC Director | Sale | 47,814 | $44.51 | $2.13M | open → |
| 2026-04-16 | 2026-04-14 | OrbiMed Capital GP VIII LLC Director | Sale | 47,814 | $44.51 | $2.13M | open → |
Other tickers these insiders trade
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