Roland Michael VachrisFiled
President and CEOExecutiveDirectorCIK 1679566
- COSTCOSTCO WHOLESALE CORP /NEWPresident and CEOfiled Oct 26, 2026
Net · 12 months
$0
Open-market buys − sales
Sold · 12 months
$0
$0 in 90d · 1 sales on record
Bought · 12 months
$0
$0 in 90d · 0 buys on record
Under 10b5-1
—
Share of sale value under a trading plan
Last trade
Oct 22, 2026
Filed Oct 26, 2026 · 10 rows
Monthly open-market value · 24 months Filed
- Bought (open market)
- Sold (open market)
Unusual activity Estimated
- 65Insider overlapPublic May 12, 2025 · traded Apr 9, 2025
Rep. Ro Khanna's spouse bought COST 29 days after its CEO sold $3.4M
Details
- Politician
- Ro Khanna
- Ticker
- COST
- Asset
- COSTCO WHOLESALE CORPORATION
- Tx type
- buy
- Traded
- Apr 9, 2025
- Filed
- May 12, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 33
- Owner type
- spouse
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- 29
- Opposite side
- Yes
- Public from
- May 12, 2025
- Method version
- 2026-11-03
- 65Insider overlapPublic Apr 16, 2025 · traded Mar 3, 2025
Rep. Bruce Westerman bought COST 8 days before its CEO sold $3.4M
Details
- Politician
- Bruce Westerman
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- buy
- Traded
- Mar 3, 2025
- Filed
- Apr 16, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 44
- Owner type
- self
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- -8
- Opposite side
- Yes
- Public from
- Apr 16, 2025
- Method version
- 2026-11-03
- 50Insider overlapPublic Apr 11, 2025 · traded Mar 31, 2025
Rep. Jefferson Shreve partially sold COST 20 days after its CEO sold $3.4M
Details
- Politician
- Jefferson Shreve
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- partial_sale
- Traded
- Mar 31, 2025
- Filed
- Apr 11, 2025
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 11
- Owner type
- self
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- 20
- Opposite side
- No
- Public from
- Apr 11, 2025
- Method version
- 2026-11-03
- 50Insider overlapPublic Apr 8, 2025 · traded Mar 27, 2025
Rep. Greg Landsman (joint account) sold COST 16 days after its CEO sold $3.4M
Details
- Politician
- Greg Landsman
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- sell
- Traded
- Mar 27, 2025
- Filed
- Apr 8, 2025
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 12
- Owner type
- joint
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- 16
- Opposite side
- No
- Public from
- Apr 8, 2025
- Method version
- 2026-11-03
- 50Insider overlapPublic Apr 8, 2025 · traded Mar 27, 2025
Rep. Greg Landsman's spouse sold COST 16 days after its CEO sold $3.4M
Details
- Politician
- Greg Landsman
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- sell
- Traded
- Mar 27, 2025
- Filed
- Apr 8, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 12
- Owner type
- spouse
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- 16
- Opposite side
- No
- Public from
- Apr 8, 2025
- Method version
- 2026-11-03
- 50Insider overlapPublic Apr 8, 2025 · traded Mar 27, 2025
Rep. Greg Landsman (joint account) sold COST 16 days after its CEO sold $3.4M
Details
- Politician
- Greg Landsman
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- sell
- Traded
- Mar 27, 2025
- Filed
- Apr 8, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 12
- Owner type
- joint
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- 16
- Opposite side
- No
- Public from
- Apr 8, 2025
- Method version
- 2026-11-03
- 65Insider overlapPublic Mar 19, 2025 · traded Mar 17, 2025
Rep. Marjorie Taylor Greene bought COST 6 days after its CEO sold $3.4M
Details
- Politician
- Marjorie Taylor Greene
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- buy
- Traded
- Mar 17, 2025
- Filed
- Mar 19, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 2
- Owner type
- self
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- 6
- Opposite side
- Yes
- Public from
- Mar 19, 2025
- Method version
- 2026-11-03
- 50Insider overlapPublic Mar 13, 2025 · traded Feb 25, 2025
Rep. Ro Khanna's dependent child partially sold COST 14 days before its CEO sold $3.4M
Details
- Politician
- Ro Khanna
- Ticker
- COST
- Asset
- COSTCO WHOLESALE CORPORATION CMN
- Tx type
- partial_sale
- Traded
- Feb 25, 2025
- Filed
- Mar 6, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 9
- Owner type
- dependent
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- -14
- Opposite side
- No
- Public from
- Mar 13, 2025
- Method version
- 2026-11-03
- 50Insider overlapPublic Mar 13, 2025 · traded Feb 26, 2025
Rep. Greg Landsman (joint account) partially sold COST 13 days before its CEO sold $3.4M
Details
- Politician
- Greg Landsman
- Ticker
- COST
- Asset
- Costco Wholesale Corporation - Common Stock (COST)
- Tx type
- partial_sale
- Traded
- Feb 26, 2025
- Filed
- Mar 5, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 7
- Owner type
- joint
- Is whale
- No
- Insider trade
- {"insider":{"slug":"roland-michael-vachris","name":"Roland Michael Vachris","title":"President and CEO","short_title":"CEO"},"company":"COSTCO WHOLESALE CORP /NEW","ticker":"COST","tx_kind":"open_market_sale","tx_date":"2025-03-11","shares":3600,"price":931,"value":3351600,"is_10b5_1":false,"filing_date":"2025-03-13"}
- Days between
- -13
- Opposite side
- No
- Public from
- Mar 13, 2025
- Method version
- 2026-11-03
Transactions
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