| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 01/24/2023 | UNITIL CORP | UTL | Grant | Contingent grant of common stock | 3.4k | $0.00 | $0 | | 01/24/2023 |
| 01/24/2023 | UNITIL CORP | UTL | Grant | Common stock, no par value | 6.8k | $0.00 | $0 | | 01/24/2023 |
| 01/25/2022 | UNITIL CORP | UTL | Grant | Common stock, no par value | 13.8k | $0.00 | $0 | | 01/25/2022 |
| 01/26/2021 | UNITIL CORP | UTL | Grant | Common stock, no par value | 8.6k | $0.00 | $0 | | 01/26/2021 |
| 12/29/2020 | UNITIL CORP | UTL | Purchase | Common stock, no par value | 900 | $43.00 | $38.7k | | 12/29/2020 |
| 12/29/2020 | UNITIL CORP | UTL | Purchase | Common stock, no par value | 100 | $42.98 | $4.3k | | 12/29/2020 |
| 12/29/2020 | UNITIL CORP | UTL | Other | Common stock, no par value | 1.1k | $42.87 | $48k | Held in Trust | 12/29/2020 |
| 01/28/2020 | UNITIL CORP | UTL | Grant | Common stock, no par value | 11.8k | $0.00 | $0 | | 01/28/2020 |
| 01/29/2019 | UNITIL CORP | UTL | Grant | Common stock, no par value | 14.5k | $0.00 | $0 | | 01/29/2019 |
| 01/29/2018 | UNITIL CORP | UTL | Grant | Common stock, no par value. | 3.6k | $0.00 | $0 | | 01/29/2018 |
| 01/31/2014 | UNITIL CORP | UTL | Grant | Common stock, no par value. | 2.7k | $0.00 | $0 | | 01/31/2014 |
| 02/04/2013 | UNITIL CORP | UTL | Grant | Common stock, no par value. | 2k | $0.00 | $0 | | 02/04/2013 |
| 02/16/2012 | UNITIL CORP | UTL | Other (acquisition) | Common stock, no par value | 717 | $27.55 | $19.8k | | 02/16/2012 |
| 02/16/2010 | UNITIL CORP | UTL | Other (acquisition) | Common stock, no par value | 437 | $21.79 | $9.5k | | 02/16/2010 |
| 02/16/2010 | UNITIL CORP | UTL | Other (acquisition) | Common stock, no par value | 718 | $21.79 | $15.6k | | 02/16/2010 |