X0306 4 2022-11-15 1 0001169652 CHANNELADVISOR CORP ECOM 0001481338 Heinberg Marshall C/O CHANNELADVISOR CORPORATION 3025 CARRINGTON MILL BOULEVARD, STE. 500 MORRISVILLE NC 27560 1 0 0 0 Common Stock 2022-10-11 5 G 0 E 1200 0.00 D 26435 D Common Stock 2022-11-15 4 D 0 18051 D 8384 D Common Stock 2022-11-15 4 D 0 8384 D 0 D On November 15, 2022, the effective date (the "Effective Date") of the merger between the Issuer, CommerceHub, Inc., a Delaware corporation ("CommerceHub") and CH Merger Sub, Inc., a Delaware corporation ("CH Merger Sub") and a wholly owned subsidiary of CommerceHub pursuant to which CH Merger Sub merged with and into the Issuer with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of CommerceHub (the "Merger"), each share of the Issuer's common stock was cancelled in exchange for $23.10 per share. The security represents restricted stock units granted to the reporting person. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. On the Effective Date, pursuant to the Merger, these restricted stock units were cancelled in exchange for a cash payment equal to (A) the total number of shares of common stock underlying such restricted stock units, multiplied by (B) $23.10. /s/ Brian F. Leaf, attorney-in-fact 2022-11-15