BERTHELSEN SPENCER R
SEC Form 4 insider trading activity
BERTHELSEN SPENCER R has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Jul 17, 2026.
On the most recent filing, BERTHELSEN SPENCER R is listed as Director at IONIS PHARMACEUTICALS INC. Inside the rolling window, BERTHELSEN SPENCER R reported no open-market purchases and 2 open-market sales totaling $1.2M in IONS. The largest disclosed transaction in the window is a sale of 8,000 IONS shares on Jun 1, 2026, worth $605K.
Companies traded
Other insiders at IONS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.2M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has BERTHELSEN SPENCER R made?
BERTHELSEN SPENCER R has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company since 2026.
Which companies does BERTHELSEN SPENCER R trade?
BERTHELSEN SPENCER R has filed SEC Form 4 disclosures for 1 company, including IONS.
When was BERTHELSEN SPENCER R's most recent SEC Form 4 filing?
BERTHELSEN SPENCER R's most recent SEC Form 4 filing on Tracefour is dated Jul 17, 2026.
What is BERTHELSEN SPENCER R's total buy and sell value in the current window?
Inside the rolling retention window, BERTHELSEN SPENCER R bought $0 and sold $1.2M based on SEC Form 4 filings.
What was BERTHELSEN SPENCER R's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 8,000 IONS shares on 2026-06-01, worth $605K, per SEC Form 4 filings.