FIREEYE INC

CUSIP: 31816q101 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q3 2021
Shares 32,394 Value ($000) $577 Avg Close — Range —
Q2 2021
Shares 32,394 Value ($000) $655 Avg Close — Range —
Q1 2021
Shares 33,475 Value ($000) $655 Avg Close — Range —
Q4 2020
Shares 33,475 Value ($000) $772 Avg Close — Range —
Q3 2020
Shares 12,420 Value ($000) $153 Avg Close — Range —
Q1 2020
Shares 33,332 Value ($000) $353 Avg Close — Range —