Berkshire Hathaway Cl B

CUSIP: 084670207 Class: COM

IRON Financial LLC's Holding History (CIK: 0001595509)

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

Q1 2019
Shares 1,409 Value ($000) $283 Avg Close — Range —
Q1 2017
Shares 1,765 Value ($000) $294 Avg Close — Range —