GP STRATEGIES CORP

CUSIP: 36225V104 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2016
Shares 220,496 Value ($000) $6,306 Avg Close — Range —
Q3 2016
Shares 224,336 Value ($000) $5,523 Avg Close — Range —
Q2 2016
Shares 343,035 Value ($000) $7,440 Avg Close — Range —
Q1 2016
Shares 365,192 Value ($000) $10,006 Avg Close — Range —
Q4 2015
Shares 341,473 Value ($000) $8,574 Avg Close — Range —
Q3 2015
Shares 255,514 Value ($000) $5,831 Avg Close — Range —