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Company Analysis

COLB Insider Trading

COLUMBIA BANKING SYSTEM, INC. | State Commercial Banks

Comprehensive Trading Performance Summary

The investment history of corporate insiders at COLUMBIA BANKING SYSTEM, INC. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the State Commercial Banks sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2007-07-05 23:47 2007-07-03 Roberts Kent Officer - Executive Vice President BUY $26.33 313 $8,240 2,813 +12.5%
2007-07-06 01:15 2007-07-03 McDonald Andy Officer - Executive Vice President BUY $26.33 126 $3,317 8,108 +1.6%
2007-07-06 00:21 2007-01-18 DRESSEL MELANIE J Director, Officer - President and CEO BUY $12.31 8,812 $108,433 23,199 +61.2%
2007-05-08 19:52 2007-05-04 HULBERT TOM Director BUY $11.69 4,690 $54,832 39,015 +13.7%
2007-04-30 21:20 2007-04-30 WEYERHAEUSER WILLIAM T Director BUY $30.60 6,000 $183,623 218,249 +2.8%
2007-01-20 03:55 2007-01-18 DRESSEL MELANIE J Director, Officer - President and CEO BUY $11.77 8,488 $99,904 23,199 +57.7%
2007-01-16 23:55 2006-06-30 DRESSEL MELANIE J Director, Officer - President and CEO BUY $26.40 458 $12,090 14,483 +3.3%
2007-01-11 22:02 2007-01-11 SCHMINKEY GARY R Officer - EVP and CFO BUY $11.77 2,801 $32,968 15,888 +21.4%
2007-01-11 03:49 2007-01-09 WHITNEY EVANS Q Officer - Executive Vice President BUY $11.77 7,005 $82,449 50,439 +16.1%
2007-01-05 23:59 2007-01-03 NELSON MARK W Officer - Executive Vice President BUY $31.61 95 $3,003 6,792 +1.4%
2007-01-05 23:30 2007-01-03 DRESSEL MELANIE J Director, Officer - President and CEO BUY $31.61 228 $7,207 4,711 +5.1%
2007-01-06 01:30 2007-01-03 DRESSEL MELANIE J Director, Officer - President and CEO BUY $31.61 228 $7,207 14,711 +1.6%
2006-07-03 19:23 2005-06-30 NELSON MARK W Officer - Executive Vice President BUY $23.33 386 $9,004 1,447 +36.4%
2006-07-03 18:53 2005-06-30 DRESSEL MELANIE J Director, Officer - President and CEO BUY $25.20 639 $16,100 3,881 +19.7%
2006-01-05 20:45 2006-01-03 McDonald Andy Officer - Executive Vice President BUY $21.92 112 $2,455 281 +66.3%
2006-01-05 00:04 2005-06-30 NELSON MARK W Officer - Executive Vice President BUY $22.04 272 $5,995 1,447 +23.1%
2006-01-05 00:39 2006-01-04 WHITNEY EVANS Q Officer - Executive Vice President BUY $10.82 9,096 $98,419 62,356 +17.1%
2006-01-05 00:39 2004-11-30 WHITNEY EVANS Q Officer - Executive Vice President OPT+S $27.31 10,906 $297,857 49,950 0.0%
2006-01-04 23:40 2005-06-30 DRESSEL MELANIE J Director, Officer - President and CEO BUY $22.05 325 $7,168 3,881 +9.1%
2005-08-05 02:01 2005-08-04 RODMAN DONALD Director BUY $25.58 351 $8,978 722 +94.6%
2005-07-06 02:36 2005-06-30 NELSON MARK W Officer - Executive Vice President BUY $22.16 136 $3,013 1,447 +10.4%
2005-07-06 02:23 2005-06-30 DRESSEL MELANIE J Director, Officer - President and CEO BUY $22.16 181 $4,011 3,881 +4.9%
2005-04-12 19:29 2005-04-11 SCHMINKEY GARY R Officer - EVP and CFO OPT+S $24.05 3,310 $79,601 8,089 0.0%
2005-01-05 01:33 2004-12-31 NELSON MARK W Officer - Executive Vice President BUY $19.73 152 $2,999 1,311 +13.1%
2005-01-05 01:28 2004-12-31 DRESSEL MELANIE J Director, Officer - President and CEO BUY $19.73 139 $2,742 3,700 +3.9%
2004-12-02 01:23 2004-11-30 WHITNEY EVANS Q Officer - Executive Vice President OPT+S $25.59 3,310 $84,703 49,950 0.0%
2004-11-03 00:07 2004-11-01 GOLDBERG FREDERICK M Director BUY $24.35 1,000 $24,350 10,844 +10.2%
2004-08-05 22:09 2004-08-04 REGIS DANIEL C Director BUY $21.46 5,000 $107,321 5,000 +100.0%
2004-08-05 22:24 2004-08-05 RODMAN DONALD Director BUY $21.40 177 $3,788 404 +78.0%
2004-08-04 19:50 2004-08-04 RODMAN DONALD Director BUY $21.40 150 $3,210 546 +37.9%
2004-08-03 20:33 2004-08-02 FOLSOM JOHN Director BUY $21.81 1,000 $21,810 8,550 +13.2%
2004-08-03 20:28 2004-08-02 DRESSEL MELANIE J Director, Officer - President and CEO BUY $21.36 43 $918 46,449 +0.1%
2004-07-06 22:15 2004-07-06 NELSON MARK W Officer - Executive Vice President BUY $18.80 159 $2,989 1,231 +14.8%
2004-07-07 00:10 2004-07-06 DRESSEL MELANIE J Director, Officer - President and CEO BUY $18.80 262 $4,926 14,189 +1.9%
2004-06-16 18:22 2004-06-14 WHITNEY EVANS Q Officer - Executive Vice President BUY $21.90 1,000 $21,903 4,605 +27.7%
2004-06-14 20:44 2004-06-10 NELSON MARK W Officer - Executive Vice President BUY $22.19 500 $11,097 1,072 +87.4%
2004-06-14 17:45 2004-06-10 FOLSOM JOHN Director BUY $22.14 1,519 $33,627 950 +100.0%
2003-11-14 00:58 2003-09-30 DRESSEL MELANIE J Director, Officer - President and CEO BUY $16.76 66 $1,106 4,883 +1.4%
2003-09-10 18:36 2003-09-09 DRESSEL MELANIE J Director, Officer - President and CEO BUY $18.80 69 $1,297 48,117 +0.1%
2003-07-28 20:08 2003-06-10 DRESSEL MELANIE J Director, Officer - President and CEO BUY $17.80 100 $1,780 50,162 +0.2%
SHOW ENTRIES

How to Interpret $COLB Trades

Not every insider transaction in COLUMBIA BANKING SYSTEM, INC. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $COLB shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for COLB

Insider activity data for COLUMBIA BANKING SYSTEM, INC. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $COLB, allowing you to follow the capital of those with the most intimate knowledge of the company.

UNDERSTANDING THE DATA

FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.

TRADE DATE: The actual day the insider executed the purchase or sale in the market.

INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.

OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.

CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.

TRADE TYPES DEFINITIONS

BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.

SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.

OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.