Columbia Pipeline Group, Inc.

FY: Dec 31 2016

Q: Sep 30 2016

Q: Jun 30 2016

Q: Mar 31 2016

FY: Dec 31 2015

FY: Dec 31 2015

Q: Sep 30 2015

Q: Jun 30 2015

1.01,2.03,9.01

1.01,7.01,9.01

8.01,9.01

1.02,2.01,3.01,3.03,5.01,5.02,5.03,8.01,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Submission of Matters to a Vote of Security Holders

Temporary Suspension of Trading Under Registrant's Employee Benefit Plans

Other Events

Other Events

Other Events

Results of Operations and Financial Condition

8.01,9.01

1.01,9.01

8.01,9.01

8.01,9.01

2.02,9.01

5.03,9.01

1.01,7.01,9.01

Results of Operations and Financial Condition

1.01,9.01

Notice of Effectiveness

Post-effective amendment to a registration statement

Certification of termination of registration of a class of securities (Section 12(b))

Certification of termination of registration of a class of securities (Section 12(b))

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

No description available

No description available

No description available

No description available

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Columbia Pipeline Group, Inc.

Columbia Pipeline Group, Inc.

TRANSCANADA CORP

none

none

none

none

none

none

CORNELIUS SIGMUND L

KITTRELL MARTY R

Veurink Jon D

Stovern Brett A

Smith Robert Edgar

Patterson Shawn L

Kettering Glen

Chapman Stanley G III

Brack Karl

Taylor Teresa

Silverman Lester P

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC

No description available

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC