IONSIONIS PHARMACEUTICALS INC
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-03.
Insider buys (90d)
$1.06M
Insider sells (90d)
$19.07M
Net flow
$-18.01M
Filings
18
Buy transactions
2
Sell transactions
16
Distinct insiders
13
Last close (cached)
$58.09
as of 2026-09-04
1d return
-0.1%
5d return
-4.8%
1m return
+6.6%
Top insiders trading IONS (90d)
Recent transactions (38)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-03 | 2026-08-31 | BENNETT C FRANK Officer | Other | 110 | $51.31 | $5.6K | open → |
| 2026-09-03 | 2026-08-31 | O'NEIL PATRICK R. Officer | Other | 63 | $51.31 | $3.2K | open → |
| 2026-09-03 | 2026-08-31 | Monia Brett P OfficerDirector | Other | 98 | $51.31 | $5.0K | open → |
| 2026-09-03 | 2026-08-31 | Birchler Brian Officer | Other | 58 | $51.31 | $3.0K | open → |
| 2026-07-31 | 2026-07-31 | Hayden Michael R Director | Buy | 5,000 | $51.60 | $258.0K | open → |
| 2026-07-31 | 2026-07-30 | Hayden Michael R Director | Buy | 15,000 | $53.38 | $800.7K | open → |
| 2026-07-17 | 2026-07-15 | HERMAN JOAN E Director | Exer. | 5,220 | $0.00 | $0.00 | open → |
| 2026-07-17 | 2026-07-15 | BERTHELSEN SPENCER R Director | Exer. | 5,220 | $0.00 | $0.00 | open → |
| 2026-07-09 | 2026-07-07 | BENNETT C FRANK Officer | Sale | 15,000 | $85.46 | $1.28M | open → |
| 2026-07-09 | 2026-07-07 | BENNETT C FRANK Officer | Other | 15,000 | $0.00 | $0.00 | open → |
| 2026-07-09 | 2026-07-07 | BENNETT C FRANK Officer | Sale | 5,536 | $83.58 | $462.7K | open → |
| 2026-07-09 | 2026-07-07 | Diaz Allene M. Director | Sale | 10,111 | $85.42 | $863.6K | open → |
| 2026-07-09 | 2026-07-07 | Diaz Allene M. Director | Exer. | 10,111 | $47.11 | $476.3K | open → |
| 2026-07-09 | 2026-07-07 | Kordasiewicz Holly B. Officer | Sale | 362 | $84.30 | $30.5K | open → |
| 2026-07-06 | 2026-07-01 | KLEIN JOSEPH III Director | Sale | 11,419 | $79.04 | $902.6K | open → |
| 2026-07-06 | 2026-07-01 | KLEIN JOSEPH III Director | Sale | 99 | $79.45 | $7.9K | open → |
| 2026-07-06 | 2026-07-01 | KLEIN JOSEPH III Director | Exer. | 11,518 | $39.94 | $460.0K | open → |
| 2026-06-30 | 2026-06-26 | Baroldi Joseph Officer | Sale | 5,635 | $80.16 | $451.7K | open → |
| 2026-06-30 | 2026-06-26 | Baroldi Joseph Officer | Exer. | 1,769 | $32.60 | $57.7K | open → |
| 2026-06-30 | 2026-06-26 | Baroldi Joseph Officer | Exer. | 3,866 | $56.78 | $219.5K | open → |
| 2026-06-30 | 2026-06-26 | O'NEIL PATRICK R. Officer | Sale | 3,069 | $80.00 | $245.5K | open → |
| 2026-06-30 | 2026-06-26 | Schneider Eugene Officer | Sale | 26,000 | $81.05 | $2.11M | open → |
| 2026-06-30 | 2026-06-26 | Schneider Eugene Officer | Exer. | 26,000 | $60.89 | $1.58M | open → |
| 2026-06-26 | 2026-06-26 | Monia Brett P OfficerDirector | Sale | 50,000 | $80.59 | $4.03M | open → |
| 2026-06-26 | 2026-06-26 | Monia Brett P OfficerDirector | Exer. | 50,000 | $56.78 | $2.84M | open → |
| 2026-06-26 | 2026-06-25 | Monia Brett P OfficerDirector | Sale | 21,072 | $78.49 | $1.65M | open → |
| 2026-06-26 | 2026-06-25 | Monia Brett P OfficerDirector | Exer. | 21,072 | $32.60 | $686.9K | open → |
| 2026-06-26 | 2026-06-24 | Monia Brett P OfficerDirector | Sale | 14,565 | $78.41 | $1.14M | open → |
| 2026-06-26 | 2026-06-24 | Monia Brett P OfficerDirector | Exer. | 14,565 | $32.60 | $474.8K | open → |
| 2026-06-26 | 2026-06-25 | Swayze Eric Officer | Sale | 10,602 | $79.18 | $839.5K | open → |
| 2026-06-16 | 2026-06-12 | Kordasiewicz Holly B. Officer | Sale | 19,842 | $74.05 | $1.47M | open → |
| 2026-06-16 | 2026-06-12 | Kordasiewicz Holly B. Officer | Sale | 41,004 | $73.09 | $3.00M | open → |
| 2026-06-16 | 2026-06-12 | Kordasiewicz Holly B. Officer | Exer. | 19,895 | $56.78 | $1.13M | open → |
| 2026-06-16 | 2026-06-12 | Kordasiewicz Holly B. Officer | Exer. | 12,000 | $32.60 | $391.2K | open → |
| 2026-06-16 | 2026-06-12 | Kordasiewicz Holly B. Officer | Exer. | 21,000 | $60.89 | $1.28M | open → |
| 2026-06-16 | 2026-06-12 | Kordasiewicz Holly B. Officer | Exer. | 7,951 | $60.89 | $484.1K | open → |
| 2026-06-16 | 2026-06-15 | BERTHELSEN SPENCER R Director | Sale | 8,000 | $73.49 | $587.9K | open → |
| 2026-06-16 | 2026-06-15 | BERTHELSEN SPENCER R Director | Exer. | 8,000 | $24.42 | $195.4K | open → |
Other tickers these insiders trade
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