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Kumi Yamamoto Baruffi Insider Profile

4 Followers
Kumi Yamamoto Baruffi, EVP GC, Corp Sec at Columbia Banking System, holds 53.72K shares in Columbia Banking System (Ticker: COLB).
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Kumi Yamamoto Baruffi

Kumi Yamamoto Baruffi
Columbia Banking System (COLB)
EVP GC, Corp Sec

Ranked #71,543 out of 109,268 Corporate Insiders

Profitable Transactions

31%
4 out of 13 Profitable Transactions

Average Return

-5.20%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$2M
100.00%
A breakdown of Kumi Yamamoto Baruffi's holdings
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Insider Roles

Columbia Banking System
(COLB)
EVP GC, Corp Sec
Roles that Kumi Yamamoto Baruffi holds in companies
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Most Profitable Insider Trade

Stock:
Columbia Banking System
(COLB)
Rating:Informative Buy
Date:Jul 06, 2020 - Jul 06, 2021
Return:+38.40%
The most profitable trade made by Kumi Yamamoto Baruffi
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Kumi Yamamoto Baruffi's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
COLB
Columbia Banking System
Mar 17, 2026
EVP GC, Corp Sec
Uninformative Buy
62.45K
$1.53M
Success Rate for
COLB
4 out of 13 profitable transactions on
COLB
31%
Average Return for
COLB
Average return per transaction on
COLB
-5.22%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Dec 02, 2014
Uninformative Buy
$0.00
2,500
$0.00
―
Mar 27, 2015
Uninformative Buy
$0.00
1,637
$0.00
―
Jul 02, 2015
Uninformative Buy
$7.60K
308
$24.66
―
Jan 14, 2016
Uninformative Buy
$5.79K
198
$29.26
―
Feb 25, 2016
Uninformative Buy
$0.00
2,153
$0.00
―
List of latest transactions for each holding click on a transaction to see Kumi Yamamoto Baruffi's performance on stock
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Kumi Yamamoto Baruffi insider profile FAQ

What is the percentage of profitable transactions made by Kumi Yamamoto Baruffi?
The percentage of profitable transactions made by Kumi Yamamoto Baruffi is 31%.
    What is the average return per transaction made by Kumi Yamamoto Baruffi?
    The average return per transaction made by Kumi Yamamoto Baruffi is -5.20%.
      What stocks does Kumi Yamamoto Baruffi hold?
      Kumi Yamamoto Baruffi holds: COLB stocks.
        What was Kumi Yamamoto Baruffi’s latest transaction?
        Kumi Yamamoto Baruffi latest transaction was an Uninformative Buy of $62.45K.
          What was Kumi Yamamoto Baruffi's most profitable transaction?
          Kumi Yamamoto Baruffi’s most profitable transaction was an Informative Buy of COLB stock on July 6, 2020. The return on the trade was 38.40%.
            What is Kumi Yamamoto Baruffi's role in Columbia Banking System?
            Kumi Yamamoto Baruffi's role in Columbia Banking System is EVP GC, Corp Sec.
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