IONIS PHARMACEUTICALS INC
Net SellingIONS·US·🇺🇸 US
0%buys·100%sells
7 transactions$0Total buys·0 buys
$2.1MTotal sells·3 sells
22 insiders
Last: Apr 2, 2026
| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Apr 2, 26 | Devers Shannon L. | Sell | $459K | |
| Apr 1, 26 | KLEIN JOSEPH III | Exercise | - | |
| Apr 1, 26 | KLEIN JOSEPH III | Exercise | - | |
| Apr 1, 26 | KLEIN JOSEPH III | Sell | $168K | |
| Apr 1, 26 | KLEIN JOSEPH III | Sell | $1.5M | |
| Apr 1, 26 | KLEIN JOSEPH III | Exercise | $424K | |
| Apr 1, 26 | KLEIN JOSEPH III | Exercise | $457K | |
| Mar 19, 26 | Schneider Eugene | Proposed sale | $412K | |
| Mar 3, 26 | BENNETT C FRANK | Proposed sale | $7.1M | |
| Jan 22, 26 | Devers Shannon L. | Proposed sale | $323K |
IONIS PHARMACEUTICALS INC (IONS) has recorded 7 insider transactions from 2 insiders. Total insider buying volume stands at $0, while total selling volume is $2.1M. Overall insider sentiment is bearish (100% sales).
IONIS PHARMACEUTICALS INC (IONS) has recorded 7 insider operations, including 0 open-market purchases ($0), 3 sales ($2.1M) and 4 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (100% sales).
IONIS PHARMACEUTICALS INC shows moderate insider activity with 4 active months out of the last 12, typical of a company whose trading windows are concentrated around financial disclosures.
Among the most active insiders are Devers Shannon L. (C SUITE) & KLEIN JOSEPH III (BOARD MEMBER), with respectively 23, 509 transactions.
Across all 33 recorded transactions, the breakdown by type is: proposed_sale (26, 79%), exercise (4, 12%), sells (3, 9%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
IONIS PHARMACEUTICALS INC has recorded 7 insider operations in total, including 0 open-market purchases ($0), 3 sales ($2.1M) and 4 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on April 2, 2026.
Insiders at IONIS PHARMACEUTICALS INC are currently net sellers, with 0% purchases and 100% sales across all reported transactions. Total buy volume is $0 versus $2.1M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 2 insiders at IONIS PHARMACEUTICALS INC (IONS). Devers Shannon L. (C SUITE, 23 tx), KLEIN JOSEPH III (BOARD MEMBER, 509 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for IONS is bearish, based on a 0% buy ratio across 3 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for IONIS PHARMACEUTICALS INC comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.