Kumi Yamamoto Baruffi

Current Holdings

General Counsel, Corporate Sec
Security Holdings
Common Stock 57,984 shares

Cumulative Trading Activity in Common for Columbia Banking System, Inc. in 2025

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This page tracks insider trading for Kumi Yamamoto Baruffi, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Kumi Yamamoto Baruffi has engaged in since 2021. As shown above, Kumi Yamamoto Baruffi has completed $371,764 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 15 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
COLB 2024-3-1 $244,998 13,710 $244,998 13,710 $0 0 SEC Filing
COLB 2024-2-15 $32,032 1,685 $32,032 1,685 $0 0 SEC Filing
COLB 2024-1-1 -$24,599 -922 $0 0 -$24,599 -922 SEC Filing
COLB 2023-6-30 $15,586 854 $15,586 854 $0 0 SEC Filing
COLB 2023-3-27 -$10,551 -507 $0 0 -$10,551 -507 SEC Filing
COLB 2023-2-28 $0 5,262 $0 5,262 $0 0 SEC Filing
COLB 2023-2-21 -$18,739 12,693 $0 13,302 -$18,739 -609 SEC Filing
COLB 2023-2-15 $44,614 1,392 $81,535 2,544 -$36,922 -1,152 SEC Filing
COLB 2022-6-30 $11,502 446 $11,502 446 $0 0 SEC Filing
COLB 2022-3-25 -$6,405 -188 $0 0 -$6,405 -188 SEC Filing
COLB 2022-3-7 $39,493 1,207 $52,090 1,592 -$12,597 -385 SEC Filing
COLB 2022-2-28 -$10,586 -289 $0 0 -$10,586 -289 SEC Filing
COLB 2022-2-15 $39,322 1,070 $39,322 1,070 $0 0 SEC Filing
COLB 2022-1-4 $5,478 186 $5,478 186 $0 0 SEC Filing
COLB 2021-7-6 $9,619 304 $9,619 304 $0 0 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Kumi Yamamoto Baruffi before the earliest date displayed on this page may exist, but is not shown here.