SYNTHETIC BIOLOGICS INC

CUSIP: 87164U102 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q2 2018
Shares 2,215,168 Value ($000) $529 Avg Close — Range —
Q1 2018
Shares 1,980,857 Value ($000) $631 Avg Close — Range —
Q4 2017
Shares 1,725,761 Value ($000) $877 Avg Close — Range —
Q2 2017
Shares 1,602,298 Value ($000) $906 Avg Close — Range —
Q1 2017
Shares 1,638,026 Value ($000) $1,294 Avg Close — Range —
Q4 2016
Shares 1,647,376 Value ($000) $1,256 Avg Close — Range —
Q3 2016
Shares 1,998,886 Value ($000) $3,438 Avg Close — Range —
Q2 2016
Shares 2,101,226 Value ($000) $3,782 Avg Close — Range —
Q1 2016
Shares 2,595,680 Value ($000) $6,125 Avg Close — Range —
Q4 2015
Shares 2,320,855 Value ($000) $5,314 Avg Close — Range —
Q3 2015
Shares 1,804,850 Value ($000) $4,097 Avg Close — Range —
Q2 2015
Shares 1,088,275 Value ($000) $3,101 Avg Close — Range —