BARUFFI KUMI YAMAMOTO
EVP General Counsel, Corp Sec
BARUFFI KUMI YAMAMOTO has filed 6 SEC Form 4 filings (9 transaction rows) across 1 company, with disclosures dating back to 2026. 6 of those filings fall inside the rolling window. Most recent filing: Mar 20, 2026.
On the most recent filing, BARUFFI KUMI YAMAMOTO is listed as EVP General Counsel, Corp Sec at COLUMBIA BANKING SYSTEM, INC. Inside the rolling window, BARUFFI KUMI YAMAMOTO reported no open-market purchases and 1 open-market sale totaling $25K in COLB.
Companies traded
Other insiders at COLB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$25K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has BARUFFI KUMI YAMAMOTO made?
BARUFFI KUMI YAMAMOTO has filed 6 SEC Form 4 filings (9 transaction rows) across 1 company since 2026.
Which companies does BARUFFI KUMI YAMAMOTO trade?
BARUFFI KUMI YAMAMOTO has filed SEC Form 4 disclosures for 1 company, including COLB.
When was BARUFFI KUMI YAMAMOTO's most recent SEC Form 4 filing?
BARUFFI KUMI YAMAMOTO's most recent SEC Form 4 filing on Tracefour is dated Mar 20, 2026.
What is BARUFFI KUMI YAMAMOTO's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, BARUFFI KUMI YAMAMOTO is listed as EVP General Counsel, Corp Sec.
What is BARUFFI KUMI YAMAMOTO's total buy and sell value in the current window?
Inside the rolling retention window, BARUFFI KUMI YAMAMOTO bought $0 and sold $25K based on SEC Form 4 filings.
What was BARUFFI KUMI YAMAMOTO's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 937 COLB shares on 2026-03-13, worth $25K, per SEC Form 4 filings.