Birchler Brian
EVP, Corp and Development Ops
Birchler Brian has filed 8 SEC Form 4 filings (14 transaction rows) across 1 company, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.
On the most recent filing, Birchler Brian is listed as EVP, Corp and Development Ops at IONIS PHARMACEUTICALS INC. Inside the rolling window, Birchler Brian reported no open-market purchases and 4 open-market sales totaling $1.8M in IONS. The largest disclosed transaction in the window is a sale of 8,480 IONS shares on Jan 16, 2026, worth $637K.
Companies traded
Other insiders at IONS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.8M
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Birchler Brian made?
Birchler Brian has filed 8 SEC Form 4 filings (14 transaction rows) across 1 company since 2025.
Which companies does Birchler Brian trade?
Birchler Brian has filed SEC Form 4 disclosures for 1 company, including IONS.
When was Birchler Brian's most recent SEC Form 4 filing?
Birchler Brian's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.
What is Birchler Brian's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Birchler Brian is listed as EVP, Corp and Development Ops.
What is Birchler Brian's total buy and sell value in the current window?
Inside the rolling retention window, Birchler Brian bought $0 and sold $1.8M based on SEC Form 4 filings.
What was Birchler Brian's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 8,480 IONS shares on 2026-01-16, worth $637K, per SEC Form 4 filings.