Hamann Jennifer L has filed 82 insider transactions across 2 companies since February 2023.
Most recent transaction: a grant/award of 8 shares of UNION PACIFIC CORP ($UNP) on March 10, 2026.
Activity breakdown: 0 open-market purchases and 2 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 9 | $250.21 | 122,287.1976 | 1,113,200,000 | 0.01% | 0.00% |
| Feb. 20, 2026 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 99 | $0.00 | 4,479.0000 | 148,404,000 | 2.26% | 0.00% |
| Feb. 12, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | M | Common Stock | 4243 | $124.86 | 125,196.6736 | 1,113,200,000 | 3.51% | 0.00% |
| Feb. 12, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 2016 | $262.81 | 123,180.6736 | 1,113,200,000 | 1.61% | 0.00% |
| Feb. 12, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 902 | $262.81 | 122,278.6736 | 1,113,200,000 | 0.73% | 0.00% |
| Feb. 12, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | M | Non-Qualified Stock Option (right to buy) | 4243 | $0.00 | 0.0000 | 1,113,200,000 | 100.00% | 0.00% |
| Feb. 9, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | D | Common Stock | 8769 | $0.00 | 123,625.5106 | 1,113,200,000 | 6.62% | 0.00% |
| Feb. 10, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 8 | $261.32 | 120,953.6736 | 1,113,200,000 | 0.01% | 0.00% |
| Feb. 9, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 2680 | $254.34 | 120,945.5106 | 1,113,200,000 | 2.17% | 0.00% |
| Feb. 5, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 17898 | $0.00 | 132,394.5106 | 1,113,200,000 | 15.63% | 0.00% |
| Feb. 5, 2026 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Non-Qualified Stock Option (right to buy) | 29811 | $0.00 | 29,811.0000 | 1,113,200,000 | 9999.99% | 0.00% |
| Jan. 9, 2026 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 15 | $0.00 | 4,380.0000 | 148,404,000 | 0.34% | 0.00% |
| Dec. 4, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | G | Common Stock | 300 | $0.00 | 114,463.2256 | 1,113,200,000 | 0.26% | 0.00% |
| Nov. 6, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 122 | $0.00 | 4,365.0000 | 147,600,000 | 2.88% | 0.00% |
| Oct. 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 5 | $225.45 | 114,763.2256 | 1,113,200,000 | 0.00% | 0.00% |
| Oct. 10, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 16 | $0.00 | 4,243.0000 | 147,600,000 | 0.38% | 0.00% |
| Sept. 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $215.19 | 114,725.8866 | 1,113,200,000 | 0.01% | 0.00% |
| Aug. 14, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 146 | $0.00 | 4,227.0000 | 148,960,000 | 3.58% | 0.00% |
| Aug. 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $222.24 | 114,715.9746 | 1,113,200,000 | 0.01% | 0.00% |
| July 11, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 15 | $0.00 | 4,081.0000 | 148,960,000 | 0.37% | 0.00% |
| July 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 9 | $237.00 | 114,706.3766 | 1,113,200,000 | 0.01% | 0.00% |
| June 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 9 | $226.60 | 114,665.0166 | 1,113,000,000 | 0.01% | 0.00% |
| June 2, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 1504 | $0.00 | 4,066.0000 | 150,809,000 | 58.70% | 0.00% |
| May 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 12 | $216.32 | 114,655.6036 | 1,113,000,000 | 0.01% | 0.00% |
| April 25, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 133 | $0.00 | 2,562.0000 | 150,809,000 | 5.48% | 0.00% |
| April 11, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 9 | $0.00 | 2,429.0000 | 150,809,000 | 0.37% | 0.00% |
| April 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $219.32 | 114,644.0996 | 1,113,000,000 | 0.01% | 0.00% |
| March 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $248.29 | 114,601.4136 | 1,113,000,000 | 0.01% | 0.00% |
| Feb. 21, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 125 | $0.00 | 2,420.0000 | 156,136,000 | 5.45% | 0.00% |
| Feb. 10, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $244.33 | 114,591.6876 | 1,113,000,000 | 0.01% | 0.00% |
| Feb. 6, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | D | Common Stock | 6753 | $0.00 | 105,322.8036 | 1,113,000,000 | 6.03% | 0.00% |
| Feb. 6, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Non-Qualified Stock Option (right to buy) | 24639 | $0.00 | 24,639.0000 | 1,113,000,000 | 9999.99% | 0.00% |
| Feb. 6, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | J | Common Stock | 5525 | $0.00 | 114,581.8036 | 1,113,000,000 | 5.07% | 0.00% |
| Feb. 6, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 14784 | $0.00 | 114,581.8036 | 1,113,000,000 | 14.81% | 0.00% |
| Feb. 6, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | J | Common Stock | 5525 | $0.00 | 99,797.8036 | 1,113,000,000 | 5.25% | 0.00% |
| Jan. 28, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | M | Common Stock | 3500 | $124.86 | 109,016.8036 | 1,113,000,000 | 3.32% | 0.00% |
| Jan. 28, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | M | Non-Qualified Stock Option (right to buy) | 3500 | $0.00 | 4,243.0000 | 1,113,000,000 | 45.20% | 0.00% |
| Jan. 28, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 748 | $254.42 | 106,550.8036 | 1,113,000,000 | 0.70% | 0.00% |
| Jan. 28, 2025 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 1718 | $254.42 | 107,298.8036 | 1,113,000,000 | 1.58% | 0.00% |
| Jan. 10, 2025 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 7 | $0.00 | 2,295.0000 | 156,136,000 | 0.31% | 0.00% |
| Dec. 3, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | G | Common Stock | 300 | $0.00 | 105,516.8036 | 1,113,000,000 | 0.28% | 0.00% |
| Nov. 7, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 110 | $0.00 | 2,288.0000 | 154,810,000 | 5.05% | 0.00% |
| Oct. 11, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 9 | $0.00 | 2,178.0000 | 154,810,000 | 0.41% | 0.00% |
| Oct. 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 9 | $238.82 | 105,816.8036 | 1,113,000,000 | 0.01% | 0.00% |
| Sept. 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $252.58 | 105,808.3036 | 1,113,000,000 | 0.01% | 0.00% |
| Aug. 15, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 147 | $0.00 | 2,169.0000 | 157,579,000 | 7.27% | 0.00% |
| Aug. 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $237.52 | 105,798.7416 | 1,113,000,000 | 0.01% | 0.00% |
| July 12, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 8 | $0.00 | 2,022.0000 | 157,579,000 | 0.40% | 0.00% |
| July 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $224.41 | 105,788.5746 | 1,113,000,000 | 0.01% | 0.00% |
| June 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $228.95 | 105,777.8126 | 1,112,900,000 | 0.01% | 0.00% |
| June 3, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 1233 | $0.00 | 2,014.0000 | 159,354,000 | 157.87% | 0.00% |
| May 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $247.40 | 105,767.2646 | 1,112,900,000 | 0.01% | 0.00% |
| April 12, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 3 | $0.00 | 781.0000 | 159,354,000 | 0.39% | 0.00% |
| April 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $236.85 | 105,757.5036 | 1,112,900,000 | 0.01% | 0.00% |
| March 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 9 | $250.96 | 105,747.3066 | 1,112,900,000 | 0.01% | 0.00% |
| Feb. 26, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | M | Common Stock | 4796 | $107.30 | 108,915.3806 | 1,112,900,000 | 4.61% | 0.00% |
| Feb. 26, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 2004 | $256.91 | 106,911.3806 | 1,112,900,000 | 1.84% | 0.00% |
| Feb. 26, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 1173 | $256.91 | 105,738.3806 | 1,112,900,000 | 1.10% | 0.00% |
| Feb. 26, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | M | Non-Qualified Stock Option (right to buy) | 4796 | $0.00 | 0.0000 | 1,112,900,000 | 100.00% | 0.00% |
| Feb. 10, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 9 | $249.45 | 104,119.3806 | 1,112,900,000 | 0.01% | 0.00% |
| Feb. 8, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Non-Qualified Stock Option (right to buy) | 17814 | $0.00 | 17,814.0000 | 1,112,900,000 | 9999.99% | 0.00% |
| Feb. 8, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 13264 | $0.00 | 111,561.4016 | 1,112,900,000 | 13.49% | 0.00% |
| Feb. 8, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | D | Common Stock | 4344 | $0.00 | 107,217.4016 | 1,112,900,000 | 3.89% | 0.00% |
| Feb. 8, 2024 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 3107 | $248.82 | 104,110.4016 | 1,112,900,000 | 2.90% | 0.00% |
| Jan. 16, 2024 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 3 | $0.00 | 778.0000 | 167,431,000 | 0.39% | 0.00% |
| Dec. 13, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | S | Common Stock | 1000 | $235.00 | 98,297.4016 | 1,112,600,000 | 1.01% | 0.00% |
| Nov. 20, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | G | Common Stock | 250 | $0.00 | 99,297.4016 | 1,112,600,000 | 0.25% | 0.00% |
| Nov. 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 5 | $211.49 | 99,405.0696 | 1,112,600,000 | 0.01% | 0.00% |
| Nov. 1, 2023 | STEEL DYNAMICS INC | $STLD | Hamann Jennifer L | Director | A | Common Stock | 775 | $0.00 | 775.0000 | 166,105,000 | 9999.99% | 0.00% |
| Sept. 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $211.80 | 99,388.9186 | 1,112,600,000 | 0.01% | 0.00% |
| Aug. 23, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | S | Common Stock | 1000 | $222.83 | 99,378.3426 | 1,112,600,000 | 1.00% | 0.00% |
| Aug. 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $230.30 | 100,378.3426 | 1,112,600,000 | 0.01% | 0.00% |
| July 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $204.86 | 100,368.6156 | 1,112,600,000 | 0.01% | 0.00% |
| June 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $199.67 | 100,357.6816 | 1,112,600,000 | 0.01% | 0.00% |
| May 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $199.06 | 100,346.4626 | 1,112,600,000 | 0.01% | 0.00% |
| April 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $198.37 | 100,335.2106 | 1,112,600,000 | 0.01% | 0.00% |
| March 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 11 | $196.06 | 100,323.9186 | 1,112,600,000 | 0.01% | 0.00% |
| Feb. 9, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | F | Common Stock | 1560 | $202.81 | 84,918.9887 | 1,112,600,000 | 1.80% | 0.00% |
| Feb. 9, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 15384 | $0.00 | 100,302.9887 | 1,112,600,000 | 18.12% | 0.00% |
| Feb. 9, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Non-Qualified Stock Option (right to buy) | 21531 | $0.00 | 21,531.0000 | 1,112,600,000 | 9999.99% | 0.00% |
| Feb. 9, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | D | Common Stock | 6604 | $0.00 | 86,478.9887 | 1,112,600,000 | 7.09% | 0.00% |
| Feb. 10, 2023 | UNION PACIFIC CORP | $UNP | Hamann Jennifer L | EVP & CHIEF FINANCIAL OFFICER | A | Common Stock | 10 | $205.50 | 100,313.2076 | 1,112,600,000 | 0.01% | 0.00% |