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Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Berthelsen Spencer R

Over the trailing 90 days, Berthelsen Spencer R (Director at IONIS PHARMACEUTICALS INC) traded $1.6M of stock (net selling $803K) in IONS, per 10 SEC Form 4 transactions.

Role
Director
Companies
IONS
Window
Trailing 90 days · 10 transactions · CIK 1181548
Net activity
−$803K ($391K bought · $1.2M sold)

By Company (Trailing 90 Days)

SymbolCompanyTxnsBoughtSoldNet
IONSIONIS PHARMACEUTICALS INC10$391K$1.2M−$803K

Transactions (10)

DateSymbolTypeSharesValueDescription
2026-07-15IONSSell5.2K$0Exercise or conversion of derivative security
2026-07-15IONSBuy5.2K$0Exercise or conversion of derivative security
2026-07-01IONSBuy5.4K$0Grant, award or other acquisition
2026-07-01IONSBuy2.3K$0Grant, award or other acquisition
2026-06-15IONSBuy8.0K$195KExercise or conversion of derivative security
2026-06-15IONSSell8.0K$588KOpen market or private sale
2026-06-15IONSSell8.0K$0Exercise or conversion of derivative security
2026-06-01IONSSell8.0K$605KOpen market or private sale
2026-06-01IONSSell8.0K$0Exercise or conversion of derivative security
2026-06-01IONSBuy8.0K$195KExercise or conversion of derivative security

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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