ZIX CORP

CUSIP: 98974P100 Class: COM

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q2 2019
Shares 63,500 Value ($000) $577 Avg Close — Range —
Q1 2019
Shares 38,600 Value ($000) $266 Avg Close — Range —
Q2 2016
Shares 12,200 Value ($000) $46 Avg Close — Range —