Joan M. Lammtennant serves as Executive at SELECTIVE INSURANCE GROUP INC, where they oversee executive responsibilities. Since joining the company, Joan M. Lammtennant has executed 73 insider transactions totaling $908.6K, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 29, 2025 involved exercising options for 106,990 shares valued at $0.
Joan M. Lammtennant currently holds 106,990 shares of SELECTIVE INSURANCE GROUP INC (SIGI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Joan M. Lammtennant has been a net seller of SIGI stock. They have purchased $0 and sold $908.6K worth of shares.
Joan M. Lammtennant's most recent insider trade was on Sep 29, 2025, when they sold 106,990 shares at $0.00 per share.
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| $34.06 |
| Discretionary |
| May 22, 2024 | EQH | $0 | Award | 6,889 | $N/A | Discretionary |
| May 24, 2023 | AB | $170.0K | Award | 5,017 | $33.89 | Discretionary |
| May 24, 2023 | EQH | $0 | Award | 10,518 | $N/A | Discretionary |
| May 19, 2022 | EQH | $0 | Award | 9,377 | $N/A | Discretionary |
| May 19, 2022 | AB | $170.0K | Award | 4,410 | $38.55 | Discretionary |
| Nov 17, 2021 | EQH | $0 | Award | 1,794 | $N/A | Discretionary |
| May 20, 2021 | EQH | $0 | Award | 4,845 | $N/A | Discretionary |
| May 20, 2020 | EQH | $0 | Award | 9,040 | $N/A | Discretionary |
| Dec 8, 2014 | SIGI | $164.2K | Sale | 6,000 | $27.37 | Discretionary |
| Dec 8, 2014 | SIGI | $139.1K | Option Exercise | 6,000 | $23.18 | Discretionary |
| Oct 31, 2014 | SIGI | $0 | Award | 485 | $N/A | Discretionary |
| Aug 1, 2014 | SIGI | $0 | Award | 539 | $N/A | Discretionary |
| Apr 25, 2014 | SIGI | $0 | Award | 3,321 | $N/A | Discretionary |
| Feb 21, 2014 | SIGI | $138.8K | Sale | 6,000 | $23.14 | Discretionary |
| Feb 21, 2014 | SIGI | $111.5K | Option Exercise | 6,000 | $18.58 | Discretionary |
| Feb 3, 2014 | SIGI | $0 | Award | 551 | $N/A | Discretionary |
| Nov 1, 2013 | SIGI | $0 | Award | 481 | $N/A | Discretionary |
| Aug 2, 2013 | SIGI | $0 | Award | 494 | $N/A | Discretionary |
| Apr 26, 2013 | SIGI | $0 | Award | 3,325 | $N/A | Discretionary |
| Feb 27, 2013 | SIGI | $70.7K | Option Exercise | 6,000 | $11.78 | Discretionary |
| Feb 4, 2013 | SIGI | $0 | Award | 579 | $N/A | Discretionary |
| Apr 27, 2012 | SIGI | $0 | Award | 3,728 | $N/A | Discretionary |
| Nov 21, 2011 | SIGI | $93.5K | Sale | 6,000 | $15.59 | Discretionary |
| Nov 21, 2011 | SIGI | $68.0K | Option Exercise | 6,000 | $11.34 | Discretionary |
| Apr 29, 2011 | SIGI | $0 | Award | 3,685 | $N/A | Discretionary |
| Feb 17, 2011 | SIGI | $65.0K | Option Exercise | 6,000 | $10.83 | Discretionary |
| Feb 17, 2011 | SIGI | $108.5K | Sale | 6,000 | $18.08 | Discretionary |
| Oct 1, 2010 | SIGI | $0 | Award | 768 | $N/A | Discretionary |