Spencer R. Berthelsen

This profile gathers the share dealings of Spencer R. Berthelsen in Ionis Pharmaceuticals Inc, where the filings describe the role as board member. The record holds 15 filings, for trades running from 23 June 2021 to 15 July 2026.

Sales make up the whole of the open-market record (2 sales, €521k). The amount is not disclosed for 1 filing. Outside the open market, there are 13 option exercises. So far in 2026, the count stands at no purchases and 2 sales.

Most recently, on 17 July 2026, the filings show an option exercise in Ionis Pharmaceuticals Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. US insiders must file a Form 4 within two business days of a trade. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.