CEMPRA INC

CUSIP: 15130J109 Class: COM

GENERAL AMERICAN INVESTORS CO INC's Holding History (CIK: 0000040417)

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

Q4 2016
Shares 164,409 Value ($000) $460 Avg Close — Range —
Q3 2016
Shares 514,409 Value ($000) $12,449 Avg Close — Range —
Q2 2016
Shares 514,409 Value ($000) $8,483 Avg Close — Range —
Q1 2016
Shares 514,409 Value ($000) $9,012 Avg Close — Range —
Q4 2015
Shares 494,409 Value ($000) $15,391 Avg Close — Range —
Q3 2015
Shares 170,000 Value ($000) $4,733 Avg Close — Range —
Q2 2015
Shares 170,000 Value ($000) $5,841 Avg Close — Range —
Q1 2015
Shares 170,000 Value ($000) $5,833 Avg Close — Range —
Q4 2014
Shares 120,000 Value ($000) $2,821 Avg Close — Range —