Frederica M. Williams serves as Executive at NSTAR/MA, where they oversee executive responsibilities. Since joining the company, Frederica M. Williams has executed 21 insider transactions totaling $819.8K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 16, 2026 involved receiving (via award) 2,581 shares valued at $0.
Frederica M. Williams currently holds 26,306 shares of NSTAR/MA (NST), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Frederica M. Williams has been a net seller of NST stock. They have purchased $0 and sold $819.8K worth of shares.
Frederica M. Williams's most recent insider trade was on Jan 16, 2026, when they sold 2,581 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $57.60 |
| Discretionary |
| Jan 16, 2024 | ES | $0 | Award | 2,714 | $N/A | Discretionary |
| Feb 16, 2023 | ES | $153.2K | Sale | 1,943 | $78.83 | Discretionary |
| Jan 17, 2023 | ES | $0 | Award | 1,943 | $N/A | Discretionary |
| May 9, 2022 | ES | $168.9K | Sale | 1,859 | $90.84 | Discretionary |
| Jan 14, 2022 | ES | $0 | Award | 1,859 | $N/A | Discretionary |
| Jan 15, 2021 | ES | $0 | Award | 1,813 | $N/A | Discretionary |
| Feb 28, 2020 | ES | $165.2K | Sale | 1,908 | $86.58 | Discretionary |
| Jan 15, 2020 | ES | $0 | Award | 1,908 | $N/A | Discretionary |
| Feb 22, 2019 | ES | $176.2K | Sale | 2,501 | $70.46 | Discretionary |
| Jan 15, 2019 | ES | $0 | Award | 2,085 | $N/A | Discretionary |
| Jan 16, 2018 | ES | $0 | Award | 2,175 | $N/A | Discretionary |
| Jan 17, 2017 | ES | $0 | Award | 2,452 | $N/A | Discretionary |
| Jan 15, 2016 | ES | $0 | Award | 2,637 | $N/A | Discretionary |
| Jan 15, 2015 | NU | $0 | Award | 1,863 | $N/A | Discretionary |
| Jan 15, 2014 | NU | $0 | Award | 2,381 | $N/A | Discretionary |
| Jan 15, 2013 | NU | $0 | Award | 2,545 | $N/A | Discretionary |
| Jul 17, 2012 | NU | $0 | Award | 1,434 | $N/A | Discretionary |
| Apr 10, 2012 | NST | $0 | Disposition | 772 | $N/A | Discretionary |
| Apr 2, 2012 | NST | $37.7K | Award | 772 | $48.82 | Discretionary |