Costco Wholesale Corporation

Dan Newhouse bought between $1,001 - $15,000 of COST shares on 10 July.

Gilbert Cisneros bought between $1,001 - $15,000 of COST shares on 30 January.

Markwayne Mullin bought between $15,001 - $50,000 of COST shares on 29 December.

Gilbert Cisneros sold between $1,001 - $15,000 of COST shares on 24 December.

Rich Mccormick bought between $1,001 - $15,000 of COST shares on 5 November.

Gilbert Cisneros bought between $1,001 - $15,000 of COST shares on 17 October.

Shelley Moore Capito sold between $1,001 - $15,000 of COST shares on 17 October.

Shelley Moore Capito sold between $1,001 - $15,000 of COST shares on 17 October.

John Boozman bought between $1,001 - $15,000 of COST shares on 9 October.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 7 October.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 29 September.

Valerie Hoyle sold between $1,001 - $15,000 of COST shares on 23 September.

Lisa Mcclain sold between $1,001 - $15,000 of COST shares on 10 July.

Lisa Mcclain bought between $1,001 - $15,000 of COST shares on 17 June.

Lisa Mcclain sold between $1,001 - $15,000 of COST shares on 9 June.

Jefferson Shreve sold between $100,001 - $250,000 of COST shares on 12 May.

Bruce Westerman sold between $1,001 - $15,000 of COST shares on 21 April.

Jefferson Shreve sold between $15,001 - $50,000 of COST shares on 31 March.

Greg Landsman sold between $1,001 - $15,000 of COST shares on 27 March.

Greg Landsman sold between $15,001 - $50,000 of COST shares on 27 March.

Marjorie Taylor Greene bought between $1,001 - $15,000 of COST shares on 17 March.

Bruce Westerman bought between $1,001 - $15,000 of COST shares on 3 March.

Greg Landsman sold between $1,001 - $15,000 of COST shares on 26 February.

Scott Mr Franklin sold between $1,001 - $15,000 of COST shares on 28 January.

Scott Mr Franklin sold between $50,001 - $100,000 of COST shares on 28 January.

Lisa Mcclain bought between $1,001 - $15,000 of COST shares on 11 December.

Marjorie Taylor Greene bought between $1,001 - $15,000 of COST shares on 25 November.

Valerie Hoyle bought between $1,001 - $15,000 of COST shares on 29 October.

Marjorie Taylor Greene bought between $1,001 - $15,000 of COST shares on 4 October.

Scott Mr Franklin bought between $1,001 - $15,000 of COST shares on 7 August.

Scott Mr Franklin sold between $15,001 - $50,000 of COST shares on 6 August.

Scott Mr Franklin sold between $1,001 - $15,000 of COST shares on 1 August.

Kathy Manning bought between $1,001 - $15,000 of COST shares on 2 July.

Marjorie Taylor Greene bought between $1,001 - $15,000 of COST shares on 24 June.

Greg Landsman bought between $1,001 - $15,000 of COST shares on 15 May.

Ro Khanna bought between $15,001 - $50,000 of COST shares on 20 March.

Pete Sessions bought between $1,001 - $15,000 of COST shares on 31 January.

Kathy Manning bought between $1,001 - $15,000 of COST shares on 23 January.

Kathy Manning bought between $15,001 - $50,000 of COST shares on 23 January.

Kevin Hern bought between $1,001 - $15,000 of COST shares on 12 January.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 10 January.

Jared Moskowitz bought between $1,001 - $15,000 of COST shares on 28 December.

John Curtis sold between $1,001 - $15,000 of COST shares on 4 December.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 3 November.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 31 October.

Greg Stanton sold between $1,001 - $15,000 of COST shares on 24 October.

Ro Khanna bought between $15,001 - $50,000 of COST shares on 10 October.

Markwayne Mullin bought between $1,001 - $15,000 of COST shares on 3 October.

Greg Stanton bought between $1,001 - $15,000 of COST shares on 26 September.

Markwayne Mullin bought between $15,001 - $50,000 of COST shares on 18 September.

Daniel S Sullivan sold between $1,001 - $15,000 of COST shares on 22 August.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 3 August.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 28 July.

Jared Moskowitz bought between $1,001 - $15,000 of COST shares on 14 July.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 29 June.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 26 June.

Zoe Lofgren sold between $1,001 - $15,000 of COST shares on 25 May.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 23 May.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 23 May.

Scott Mr Franklin bought between $1,001 - $15,000 of COST shares on 19 April.

Scott Mr Franklin bought between $50,001 - $100,000 of COST shares on 19 April.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 10 April.

Richard Dean Dr Mccormick bought between $1,001 - $15,000 of COST shares on 15 March.

John Curtis sold between $1,001 - $15,000 of COST shares on 23 February.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 10 February.

Daniel Goldman sold between $15,001 - $50,000 of COST shares on 31 January.

Kevin Hern sold between $1,001 - $15,000 of COST shares on 31 January.

Greg Landsman bought between $1,001 - $15,000 of COST shares on 12 January.

Ro Khanna bought between $15,001 - $50,000 of COST shares on 11 January.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 9 January.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 5 January.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 6 December.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 5 December.

Ed Perlmutter bought between $1,001 - $15,000 of COST shares on 10 November.

Ro Khanna bought between $15,001 - $50,000 of COST shares on 3 November.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 2 November.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 21 October.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 20 October.

Kathy Manning sold between $1,001 - $15,000 of COST shares on 12 October.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 6 October.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 29 September.

Kathy Manning bought between $1,001 - $15,000 of COST shares on 5 August.

Ro Khanna bought between $50,001 - $100,000 of COST shares on 19 July.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 18 July.

Kathy Manning bought between $1,001 - $15,000 of COST shares on 15 July.

David B. Mckinley sold between $1,001 - $15,000 of COST shares on 7 July.

Shelley M Capito bought between $1,001 - $15,000 of COST shares on 1 July.

Marjorie Taylor Greene bought between $15,001 - $50,000 of COST shares on 10 June.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 23 May.

Ro Khanna bought between $1,001 - $15,000 of COST shares on 10 May.

Ro Khanna sold between $1,001 - $15,000 of COST shares on 5 May.

Ed Perlmutter sold between $1,001 - $15,000 of COST shares on 22 April.

Kurt Schrader bought between $1,001 - $15,000 of COST shares on 28 February.

Donald Sternoff Beyer Jr. sold between $15,001 - $50,000 of COST shares on 28 February.

Ro Khanna bought between $15,001 - $50,000 of COST shares on 17 February.

Donald Sternoff Beyer Jr. bought between $1,001 - $15,000 of COST shares on 31 January.

Ro Khanna sold between $15,001 - $50,000 of COST shares on 21 January.

Ed Perlmutter sold between $1,001 - $15,000 of COST shares on 26 November.

Pete Sessions sold between $1,001 - $15,000 of COST shares on 16 November.

Kim Schrier sold between $15,001 - $50,000 of COST shares on 28 October.

Zoe Lofgren bought between $1,001 - $15,000 of COST shares on 2 September.

Rick Larsen bought between $1,001 - $15,000 of COST shares on 31 March.

Jerry Moran sold between $1,001 - $15,000 of COST shares on 27 January.

Pat Roberts bought between $15,001 - $50,000 of COST shares on 22 December.

Pat Roberts bought between $15,001 - $50,000 of COST shares on 24 November.

Pat Roberts sold between $15,001 - $50,000 of COST shares on 4 November.

Jerry Moran sold between $1,001 - $15,000 of COST shares on 21 August.

Ron L Wyden bought between $15,001 - $50,000 of COST shares on 13 July.

Ron L Wyden bought between $15,001 - $50,000 of COST shares on 24 June.

David A Perdue Jr sold between $15,001 - $50,000 of COST shares on 14 April.

David A Perdue Jr sold between $50,001 - $100,000 of COST shares on 14 April.

Kelly Loeffler sold between $100,001 - $250,000 of COST shares on 7 April.

Pat Roberts bought between $15,001 - $50,000 of COST shares on 24 March.

Jerry Moran sold between $1,001 - $15,000 of COST shares on 25 September.

Richard W. Allen bought between $15,001 - $50,000 of COST shares on 10 September.

John F Reed sold between $1,001 - $15,000 of COST shares on 28 February.

John F Reed sold between $1,001 - $15,000 of COST shares on 4 February.

Jerry Moran bought between $1,001 - $15,000 of COST shares on 19 December.

Jerry Moran bought between $1,001 - $15,000 of COST shares on 6 December.

John F Reed sold between $1,001 - $15,000 of COST shares on 9 March.

Pat Roberts sold between $15,001 - $50,000 of COST shares on 5 February.

Sheldon Whitehouse sold between $15,001 - $50,000 of COST shares on 17 January.

David A Perdue Jr bought between $1,001 - $15,000 of COST shares on 30 October.

David A Perdue Jr bought between $15,001 - $50,000 of COST shares on 16 June.

Richard W. Allen bought between $15,001 - $50,000 of COST shares on 27 April.

David A Perdue Jr bought between $1,001 - $15,000 of COST shares on 22 March.

Pat Roberts bought between $15,001 - $50,000 of COST shares on 14 November.

Pat Roberts sold between $15,001 - $50,000 of COST shares on 8 July.

David A Perdue Jr bought between $1,001 - $15,000 of COST shares on 5 May.

Pat Roberts bought between $1,001 - $15,000 of COST shares on 24 April.

Pat Roberts bought between $1,001 - $15,000 of COST shares on 6 March.

Pat Roberts sold between $1,001 - $15,000 of COST shares on 26 August.