SENDGRID INC

CUSIP: 816883102 Class: COMMON STOCK

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2018
Shares 9,794 Value ($000) $423 Avg Close — Range —
Q1 2018
Shares 2,328 Value ($000) $66 Avg Close — Range —