For reference, here is a sales chart of Ghostbusters comics from IDW publishing. Will be updated when new data is released.
Prime[]
On August 14, 2017, sales for July releases were posted. Ghostbusters 101 #5 sold 5713 units, up 295 units from 101 #4's 5418 units sold. Comichron 7/2017 sales 8/14/17
On September 11, 2017, sales for August releases were posted. Ghostbusters 101 #6 missed the cut off and was not on that list. 300th and last place was 5621 units so at least, implicitly it did less than #5.
On December 19, 2017, sales for November releases were posted. TMNT/Ghostbusters Vol. 2 #1 sold 12,787 units, #2 sold 11,204 units, #3 sold 10,888 units, #4 sold 10,751 units, and #5 sold 10,614 units. Comichron 11/2017 sales 12/18/17
On April 9, 2018, sales for March releases were posted. Ghostbusters Annual 2018 sold 4,004 units and Ghostbusters Crossing Over #1 sold 6180 units. Comichron 3/2018 sales 4/9/18
On May 7, 2018, sales for April releases were posted. Ghostbusters Crossing Over #2 sold 4476 units. Comichron 4/2018 sales 5/7/18
On July 9, 2018, sales for June releases were posted. Ghostbusters Crossing Over #3 sold 4342 units. Comichron 6/2018 sales 7/9/18
On August 13, 2018, sales for July releases were posted. Ghostbusters Crossing Over #4 sold 4226 units. Comichron 7/2018 sales 8/13/18
On September 17, 2018, sales for August releases were posted. Ghostbusters Crossing Over #5 sold 4022 units. Comichron 8/2018 sales 9/17/18
On October 15, 2018, sales for September releases were posted. Ghostbusters Crossing Over #6 sold 3867 units. Comichron 9/2018 sales 10/15/18
On November 12, 2018, sales for October releases were posted. Ghostbusters Crossing Over #7 sold 3788 units. Comichron 10/2018 sales
On December 10, 2018, sales for November releases were posted. Ghostbusters Crossing Over #8 sold 3610 units. Comichron 11/2018 sales
On July 15, 2019, sales for June releases were posted. Transformers/Ghostbusters #1 sold 17,575 units. Comichron 6/2019 sales 7/15/19
On August 12, 2019, sales for July releases were posted. Transformers/Ghostbusters #2 sold 10,699 units. Comichron 7/2019 sales 8/12/19
On September 16, 2019, sales for August releases were posted. Transformers/Ghostbusters #3 sold 10,545 units. Comichron 8/2019 sales 9/16/19
On October 21, 2019, sales for September releases were posted. Transformers/Ghostbusters #4 sold 10,231 units. Comichron 9/2019 sales 10/21/19
On November 11, 2019, sales for October releases were posted. Transformers/Ghostbusters #5 sold 9,558 units. Comichron 10/2019 sales 11/11/19
On January 17, 2020, sales for January releases were posted. Ghostbusters Year One #1 sold 6,350 units. Comichron 1/2020 sales 2/17/20
On April 29, 2020, sales for March releases were posted. Ghostbusters Year One #2 sold 5,219 units. Year One #3 sold 5,340 units. Comichron 3/2020 sales 4/29/20
35th Anniversary[]
Ghostbusters sold 4559 units. The Real Ghostbusters sold 4020 units. Answer The Call sold 3555 units. Extreme Ghostbusters sold 3857 units. Comichron 4/2019 sales 5/13/19
IDW 20/20[]
IDW 20/20 sold 3495 units. Comichron 1/2019 sales 2/25/19
ATC[]
Answer The Call #1 sold 6387 units. Issue #2 sold 4484 units. Issue #3 sold 4115 units. Issue #4 sold 3992 units. Issue #5 sold 3706 units.
On November 13, 2017, sales for October releases were posted. Ghostbusters ATC #1 sold 6387 units. Comichron 10/2017 sales 11/13/17
On February 12, 2018, sales for January releases were posted. Ghostbusters ATC #2 sold 4484 units. Comichron 1/2018 sales 2/12/18
On March 12, 2018, sales for February releases were posted. Ghostbusters ATC #3 sold 4115 units. Comichron 2/2018 sales 3/12/18
On April 9, 2018, sales for March releases were posted. Ghostbusters ATC #4 sold 3992 units. Comichron 3/2018 sales 4/9/18
On June 18, 2018, sales for May releases were posted. Ghostbusters ATC #5 sold 3706 units. Comichron 5/2018 sales 6/18/18
