D 990AM ROM 04.20.86277500 OPTION ROOT: SPY OPENING TRANSACTION UNSOL EXCHANGE LISTED OPTION 03121/18 03119118 PURCHASED BERKSHIRE HATHAWAY INC DFL CI A UNSOL AVERAGE UNIT 3.000 305.100 0000 915,40600 USD BRK A PRICE TRANSACTION YOUR BROKER ACTED AS AGENT 03122/18 03120/18 SOLD SERVICDA ASTER