UNITIL CORP

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

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

Entry into a Material Definitive Agreement

Regulation FD Disclosure

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Submission of Matters to a Vote of Security Holders

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Regulation FD Disclosure

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Annual Report Scanned (Paper)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Definitive Proxy Statement

Entry into a Material Definitive Agreement

Prospectus Supplement for Primary Offering

Annual report pursuant to Section 13 or 15(d)

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Regulation FD Disclosure

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

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

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

Entry into a Material Definitive Agreement

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Submission of Matters to a Vote of Security Holders

Regulation FD Disclosure

Letter from the SEC

Entry into a Material Definitive Agreement

Annual Report Scanned (Paper)

Definitive Proxy Statement

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual report pursuant to Section 13 or 15(d)

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

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

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

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Annual Report Scanned (Paper)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

No description available

General form for quarterly reports under Section 13 or 15(d)

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

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Annual Report Scanned (Paper)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

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

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

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

Definitive Proxy Statement

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

Letter from the SEC

Definitive Proxy Statement

Correspondence with the SEC

Letter from the SEC

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

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

Definitive Proxy Statement

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

Definitive Proxy Statement

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Registration of Securities on Exchange (amendment)

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

No description available

Definitive Proxy Statement

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

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Kountze Katherine

WHITELEY DAVID A

COLLIN MARK H

Foster Suzanne

Lewis-Raymond Jane

Alonzo Anne L.

Vogel Justine

Awad Neveen F

Brown Winfield S

Eisfeller Justin

MEISSNER THOMAS P JR

Hevert Robert B

LeBlanc Christopher J

Diggins Todd R

Hurstak Daniel J

Simpson Carleton B

Simpson Carleton B