InsidersTradesSigma
Total declarations
Company
▲ Purchases (5 ops.)
▼ Sales (0 ops.)
Discover the complete record of transactions filed by BARUFFI KUMI YAMAMOTO, Directeur Juridique. Officer active across 1 companies, notably Columbia Banking System, INC.. In total, 14 filings have been logged. Total volume traded: €37k. The latest transaction was filed on 13 March 2026 — Retenue fiscale. Regulator: SEC (Form 4). The full history is free.
Declarations14 total
US$21,332937 shares@ US$22.76580.0003% mcap39.6% of flow
Common Stock
SEC:0000887343-26-000107·
€21,332937 shares@ €22.76580.0003% mcap11.7% of flow
Common Stock
SEC:0000887343-26-000107:0·
0632 shares0
Common Stock
SEC:0000887343-26-000017·
0632 shares0
Common Stock
SEC:0000887343-26-000017:0·
€10,978446 shares@ €24.61420.0001% mcap6.0% of flow
Common
SEC:0000887343-22-000116:0·
Ideal exit: 27 Mar 2023 (T+270)
€5,818188 shares@ €30.94580.0001% mcap3.2% of flow
Common
SEC:0000887343-22-000080:0·
€47,9011,592 shares@ €30.08870.0006% mcap26.3% of flow
Common
SEC:0000887343-22-000067:0·
€9,468289 shares@ €32.76080.0001% mcap5.2% of flow
Common
SEC:0000887343-22-000050:0·
€19,502600 shares@ €32.50390.0002% mcap10.7% of flow
Common
SEC:0000887343-22-000021:0·
€19,502600 shares@ €32.50390.0002% mcap36.2% of flow
Common
SEC:0000887343-22-000021·
€4,847186 shares@ €26.05680.0001% mcap9.0% of flow
Common
SEC:0000887343-22-000003·
Ideal exit: 1 Oct 2022 (T+270)
€4,847186 shares@ €26.05680.0001% mcap2.7% of flow
Common
SEC:0000887343-22-000003:0·
Ideal exit: 1 Oct 2022 (T+270)
€8,134304 shares@ €26.75790.0001% mcap15.1% of flow
Common
SEC:0000887343-21-000141·
Ideal exit: 2 Apr 2022 (T+270)
€8,134304 shares@ €26.75790.0001% mcap4.5% of flow
Common
SEC:0000887343-21-000141:0·
Ideal exit: 2 Apr 2022 (T+270)
14 of 14 declarations
About BARUFFI KUMI YAMAMOTO
Kumi Yamamoto Baruffi is the Legal Director at Columbia Banking System, INC.
