A10 NETWORKS INC

Ticker: ATEN CUSIP: 002121101 Class: Common Stock

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

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

Q3 2016
Shares 35,000 Value ($000) $374 Avg Close $8.18 Range $5.93 - $10.17
Q2 2016
Shares 35,000 Value ($000) $226 Avg Close $5.91 Range $5.25 - $6.51
Q1 2016
Shares 35,000 Value ($000) $207 Avg Close $5.58 Range $4.53 - $6.22
Q4 2015
Shares 35,000 Value ($000) $230 Avg Close $6.48 Range $5.31 - $7.76
Q3 2015
Shares 35,000 Value ($000) $210 Avg Close $5.89 Range $4.66 - $6.92
Q2 2015
Shares 90,000 Value ($000) $580 Avg Close $5.23 Range $3.91 - $6.90
Q1 2015
Shares 90,000 Value ($000) $390 Avg Close $4.28 Range $3.70 - $5.22
Q4 2014
Shares 90,000 Value ($000) $392 Avg Close $4.18 Range $3.65 - $8.49