The past few days, at the Missouri Ethics Commission:

C071094 07/23/2013 MISSOURI SENATE CAMPAIGN COMMITTEE James McDonnell III 40 Glen Eagle Dr. Saint Louis MO 63124 Retired 7/22/2013 $10,000.00

C031159 07/23/2013 MISSOURIANS FOR KOSTER The Accurso Law Firm 4646 Roanoke Parkway Kansas City MO 64112 7/22/2013 $10,000.00

C000619 07/24/2013 MO STATE TEACHERS ASSOC LEGISLATIVE IMPACT CO Southwest Region PO Box 227 Rogersville MO 65745 7/24/2013 $10,000.00

C071094 07/26/2013 MISSOURI SENATE CAMPAIGN COMMITTEE The Doe Run Company Suite 300 1801 Park 270 Drive St Louis MO 63146 7/25/2013 $10,000.00

C031159 07/26/2013 MISSOURIANS FOR KOSTER Blue Cross & Blue Shield of Kansas City PAC For Missouri 2301 Main Street Kansas City MO 64108 7/25/2013 $10,000.00

C081066 07/26/2013 CLINT ZWEIFEL FOR MISSOURI Davis, Ketchmark, McCreight & Ivers 11161 Overbrook Road Suite 210 Leawood KS 66211 7/26/2013 $10,000.00

[emphasis added]

What is it with $10,000.00 contributions?