MYOKARDIA INC

CUSIP: 62857M105 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q3 2020
Shares 88,000 Value ($000) $11,997 Avg Close — Range —
Q2 2020
Shares 88,000 Value ($000) $8,503 Avg Close — Range —
Q1 2020
Shares 185,900 Value ($000) $8,715 Avg Close — Range —
Q4 2019
Shares 296,726 Value ($000) $21,627 Avg Close — Range —
Q3 2019
Shares 302,200 Value ($000) $15,760 Avg Close — Range —
Q2 2019
Shares 269,700 Value ($000) $13,523 Avg Close — Range —