SEC Insider Transactions from Robinson Chandler.

Last updated: 2026-04-02 21:10 UTC | Total transactions: 63

Robinson Chandler, CEO of Monopar Therapeutics ($MNPR), made one open market sale of common shares in the last year, totaling $672 thousand. His most recent sale occurred on July 14, 2025. These sales rank 5,839th among 11,678 insiders in our database, well below the average of $8.6 million per insider and 6.4 transactions. He had no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 31, 2026 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 6732 $0.00 155,265.0000 6,662,930 4.53% 0.10%
March 31, 2026 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 1972 $54.79 153,293.0000 6,662,930 1.27% 0.03%
March 31, 2026 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Unit 6732 $0.00 106,276.0000 6,662,930 5.96% 0.10%
Jan. 28, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer J Common Stock 62815 $0.00 148,533.0000 6,102,560 73.28% 1.03%
Dec. 31, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Unit 8724 $0.00 113,008.0000 6,662,930 7.17% 0.13%
Dec. 31, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 8724 $0.00 360,302.0000 6,662,930 2.48% 0.13%
Dec. 31, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 2558 $65.30 357,744.0000 6,662,930 0.71% 0.04%
Dec. 2, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer A Stock Options 16753 $0.00 16,753.0000 6,662,930 9999.99% 0.25%
Dec. 2, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer A Restricted Stock Units 49133 $0.00 121,732.0000 6,662,930 67.68% 0.74%
Sept. 30, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 2646 $81.67 351,578.0000 6,102,560 0.75% 0.04%
Sept. 30, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 8726 $0.00 354,224.0000 6,102,560 2.53% 0.14%
Sept. 30, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 8726 $0.00 72,599.0000 6,102,560 10.73% 0.14%
July 14, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer X Common Stock 16800 $0.01 912,527.0000 6,102,560 1.88% 0.28%
July 14, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer S Common Stock 16800 $40.00 895,727.0000 6,102,560 1.84% 0.28%
July 14, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer X Stock Options 16800 $0.00 0.0000 6,102,560 100.00% 0.28%
June 30, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 5865 $35.78 895,727.0000 6,102,560 0.65% 0.10%
June 30, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 13344 $0.00 81,325.0000 6,102,560 14.10% 0.22%
June 30, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 13344 $0.00 901,592.0000 6,102,560 1.50% 0.22%
March 31, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 1204 $36.41 921,582.0000 6,102,560 0.13% 0.02%
March 31, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 4106 $0.00 922,786.0000 6,102,560 0.45% 0.07%
March 31, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 4106 $0.00 94,669.0000 6,102,560 4.16% 0.07%
March 4, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 1759 $31.70 918,680.0000 6,102,560 0.19% 0.03%
March 4, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 6002 $0.00 920,439.0000 6,102,560 0.66% 0.10%
March 4, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 6002 $0.00 98,775.0000 6,102,560 5.73% 0.10%
March 4, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer A Restricted Stock Units 79899 $0.00 104,777.0000 6,102,560 321.16% 1.31%
March 4, 2025 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer A Stock Options 85759 $0.00 85,759.0000 6,102,560 9999.99% 1.41%
Dec. 31, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 2209 $22.00 914,437.0000 3,520,427 0.24% 0.06%
Dec. 31, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 4895 $0.00 24,879.0000 3,520,427 16.44% 0.14%
Dec. 31, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 4895 $0.00 916,646.0000 3,520,427 0.54% 0.14%
Sept. 30, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 4895 $0.00 913,669.0000 3,520,427 0.54% 0.14%
Sept. 30, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 1918 $6.74 911,751.0000 3,520,427 0.21% 0.05%
Sept. 30, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 4895 $0.00 29,774.0000 3,520,427 14.12% 0.14%
June 30, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 8684 $0.73 4,543,862.6800 2,980,900 0.19% 0.29%
June 30, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 24476 $0.00 173,335.0000 2,980,900 12.37% 0.82%
June 30, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 24476 $0.00 4,552,546.6800 2,980,900 0.54% 0.82%
May 28, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer X Stock Options 84000 $0.00 0.0000 2,980,900 100.00% 2.82%
May 28, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer X Common Stock 84000 $0.00 4,528,070.6800 2,980,900 1.89% 2.82%
March 31, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 7172 $0.68 4,444,070.6800 2,980,900 0.16% 0.24%
March 31, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 24474 $0.00 4,451,242.6800 2,980,900 0.55% 0.82%
March 31, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 24474 $0.00 197,811.0000 2,980,900 11.01% 0.82%
Jan. 1, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 6724 $0.00 222,285.0000 2,980,900 2.94% 0.23%
Jan. 1, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 6724 $0.00 8,707,035.5600 2,980,900 0.08% 0.23%
Jan. 1, 2024 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 2327 $0.34 8,704,708.5600 2,980,900 0.03% 0.08%
Dec. 31, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 24474 $0.00 229,009.0000 0 9.66% 0.00%
Dec. 31, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 24474 $0.00 8,708,780.5600 0 0.28% 0.00%
Dec. 31, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 8469 $0.34 8,700,311.5600 0 0.10% 0.00%
Sept. 30, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 7172 $0.62 4,406,366.6800 0 0.16% 0.00%
Sept. 30, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 24474 $0.00 253,483.0000 0 8.80% 0.00%
Sept. 30, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 24474 $0.00 4,413,538.6800 0 0.56% 0.00%
June 30, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 35039 $0.00 4,399,333.6800 0 0.80% 0.00%
June 30, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 10269 $0.86 4,389,064.6800 0 0.23% 0.00%
June 30, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 35039 $0.00 277,957.0000 0 11.19% 0.00%
March 31, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 13911 $0.00 312,996.0000 0 4.26% 0.00%
March 31, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 4286 $1.39 4,364,294.6800 0 0.10% 0.00%
March 31, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 13911 $0.00 4,368,580.6800 0 0.32% 0.00%
Feb. 1, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer A Restricted Stock Units 169012 $0.00 326,907.0000 0 107.04% 0.00%
Feb. 1, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer A Stock Options 221839 $0.00 221,839.0000 0 9999.99% 0.00%
Dec. 31, 2022 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 13912 $0.00 151,171.0000 0 8.43% 0.00%
Dec. 31, 2022 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 13912 $0.00 8,633,027.5600 0 0.16% 0.00%
Jan. 1, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Restricted Stock Units 6723 $0.00 6,724.0000 0 50.00% 0.00%
Jan. 1, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 2327 $2.37 8,632,609.5600 0 0.03% 0.00%
Jan. 1, 2023 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer M Common Stock 6723 $0.00 8,634,936.5600 0 0.08% 0.00%
Dec. 31, 2022 Monopar Therapeutics $MNPR Robinson Chandler Chief Executive Officer F Common Stock 4814 $2.37 8,628,213.5600 0 0.06% 0.00%