BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/A CUSIP: 084670108 Class: CL A

Mattern Wealth Management LLC's Holding History (CIK: 0001802376)

Note: Option positions (PUT/CALL) are excluded.

Q1 2020
Shares 2 Value ($000) $544 Avg Close $318723.75 Range $239440.00 - $347400.00
Q4 2019
Shares 2 Value ($000) $679 Avg Close $325723.70 Range $302260.00 - $342250.00