Karen Hartje, CFO of Sezzle Inc. ($SEZL), sold shares on the open market 27 times over the past year, totaling about $34 million. Her most recent sale occurred on October 6, 2025. These transactions rank her 442nd among 11,678 insiders for highest sales volume, surpassing the average of $8.6 million across 6.4 transactions per insider. Hartje made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 12, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 5310 | $58.01 | 33,661.0000 | 35,675,000 | 13.63% | 0.01% |
| Oct. 6, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 3591 | $84.32 | 117,946.0000 | 35,675,000 | 2.95% | 0.01% |
| Oct. 6, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 651 | $85.37 | 117,295.0000 | 35,675,000 | 0.55% | 0.00% |
| Oct. 6, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 830 | $86.46 | 116,465.0000 | 35,675,000 | 0.71% | 0.00% |
| Oct. 6, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 412 | $87.39 | 116,053.0000 | 35,675,000 | 0.35% | 0.00% |
| Sept. 30, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 5309 | $84.19 | 121,537.0000 | 5,981,795 | 4.19% | 0.09% |
| July 7, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 1840 | $167.85 | 128,083.0000 | 5,981,795 | 1.42% | 0.03% |
| July 7, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 2407 | $166.86 | 129,923.0000 | 5,981,795 | 1.82% | 0.04% |
| July 7, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 150 | $179.00 | 126,846.0000 | 5,981,795 | 0.12% | 0.00% |
| July 7, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 200 | $172.20 | 126,996.0000 | 5,981,795 | 0.16% | 0.00% |
| July 7, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 887 | $168.73 | 127,196.0000 | 5,981,795 | 0.69% | 0.01% |
| July 1, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 5310 | $167.58 | 127,020.0000 | 5,981,795 | 4.01% | 0.09% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 24229 | $75.30 | 245,407.0000 | 5,981,795 | 8.99% | 0.41% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 35539 | $76.30 | 209,868.0000 | 5,981,795 | 14.48% | 0.59% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 38682 | $77.40 | 171,186.0000 | 5,981,795 | 18.43% | 0.65% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 14004 | $78.27 | 157,182.0000 | 5,981,795 | 8.18% | 0.23% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 2916 | $79.02 | 154,266.0000 | 5,981,795 | 1.86% | 0.05% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 68496 | $0.32 | 222,762.0000 | 5,981,795 | 44.40% | 1.15% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 14562 | $5.32 | 237,324.0000 | 5,981,795 | 6.54% | 0.24% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 16362 | $8.68 | 253,686.0000 | 5,981,795 | 6.89% | 0.27% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 55913 | $83.49 | 197,773.0000 | 5,981,795 | 22.04% | 0.93% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 44650 | $84.85 | 153,123.0000 | 5,981,795 | 22.58% | 0.75% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 16292 | $85.77 | 136,831.0000 | 5,981,795 | 10.64% | 0.27% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 4501 | $86.77 | 132,330.0000 | 5,981,795 | 3.29% | 0.08% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 193902 | $0.00 | 68,496.0000 | 5,981,795 | 73.90% | 3.24% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 38346 | $0.00 | 14,562.0000 | 5,981,795 | 72.48% | 0.64% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 40530 | $0.00 | 16,362.0000 | 5,981,795 | 71.24% | 0.68% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 68496 | $0.00 | 0.0000 | 5,981,795 | 100.00% | 1.15% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 14562 | $0.00 | 0.0000 | 5,981,795 | 100.00% | 0.24% |
| May 9, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 16362 | $0.00 | 0.0000 | 5,981,795 | 100.00% | 0.27% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 1894 | $71.98 | 284,571.0000 | 5,981,795 | 0.66% | 0.03% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 6090 | $74.13 | 269,636.0000 | 5,981,795 | 2.21% | 0.10% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 193902 | $0.32 | 386,586.0000 | 5,981,795 | 100.63% | 3.24% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 38346 | $5.32 | 424,932.0000 | 5,981,795 | 9.92% | 0.64% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 40530 | $8.68 | 465,462.0000 | 5,981,795 | 9.54% | 0.68% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 6798 | $65.45 | 458,664.0000 | 5,981,795 | 1.46% | 0.11% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 15218 | $66.85 | 443,446.0000 | 5,981,795 | 3.32% | 0.25% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 38573 | $67.83 | 404,873.0000 | 5,981,795 | 8.70% | 0.64% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 91156 | $68.73 | 313,717.0000 | 5,981,795 | 22.51% | 1.52% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 9517 | $69.79 | 304,200.0000 | 5,981,795 | 3.03% | 0.16% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 17735 | $70.83 | 286,465.0000 | 5,981,795 | 5.83% | 0.30% |
| May 8, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 8845 | $72.91 | 275,726.0000 | 5,981,795 | 3.11% | 0.15% |
| April 1, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 10440 | $36.34 | 192,684.0000 | 5,981,795 | 5.14% | 0.17% |
| March 20, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | A | Common Stock, par value $0.00001 per share | 1000 | $231.96 | 34,310.0000 | 5,981,795 | 3.00% | 0.02% |
| March 20, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 456 | $231.96 | 33,854.0000 | 5,981,795 | 1.33% | 0.01% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 1337 | $1.90 | 35,527.0000 | 5,981,795 | 3.91% | 0.02% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 2217 | $350.96 | 33,310.0000 | 5,981,795 | 6.24% | 0.04% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 684 | $0.00 | 9,018.0000 | 5,981,795 | 7.05% | 0.01% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 599 | $0.00 | 9,682.0000 | 5,981,795 | 5.83% | 0.01% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 588 | $0.00 | 45,070.0000 | 5,981,795 | 1.29% | 0.01% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 200 | $0.00 | 8,818.0000 | 5,981,795 | 2.22% | 0.00% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 200 | $0.00 | 9,482.0000 | 5,981,795 | 2.07% | 0.00% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 1337 | $0.00 | 43,733.0000 | 5,981,795 | 2.97% | 0.02% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 3202 | $352.39 | 33,790.0000 | 5,981,795 | 8.66% | 0.05% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 200 | $31.92 | 33,990.0000 | 5,981,795 | 0.59% | 0.00% |
| Feb. 18, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 200 | $52.06 | 34,190.0000 | 5,981,795 | 0.59% | 0.00% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 588 | $1.90 | 36,992.0000 | 5,981,795 | 1.62% | 0.01% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 599 | $52.06 | 36,404.0000 | 5,981,795 | 1.67% | 0.01% |
| Feb. 14, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 684 | $31.92 | 35,805.0000 | 5,981,795 | 1.95% | 0.01% |
| Jan. 16, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 3457 | $316.32 | 35,121.0000 | 5,981,795 | 8.96% | 0.06% |
| Jan. 16, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Common Stock, par value $0.00001 per share | 3457 | $31.92 | 38,578.0000 | 5,981,795 | 9.84% | 0.06% |
| Jan. 16, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | M | Stock Options | 3457 | $0.00 | 9,702.0000 | 5,981,795 | 26.27% | 0.06% |
| Jan. 1, 2025 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 438 | $255.80 | 35,121.0000 | 5,981,795 | 1.23% | 0.01% |
| Oct. 1, 2024 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 402 | $163.71 | 35,559.0000 | 35,689,000 | 1.12% | 0.00% |
| Sept. 17, 2024 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | S | Common Stock, par value $0.00001 per share | 1000 | $152.00 | 35,961.0000 | 5,678,527 | 2.71% | 0.02% |
| July 1, 2024 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 402 | $88.95 | 36,961.0000 | 5,678,527 | 1.08% | 0.01% |
| April 1, 2024 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | A | Common Stock, par value $0.00001 per share | 10000 | $0.00 | 37,363.0000 | 5,678,527 | 36.55% | 0.18% |
| April 1, 2024 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 401 | $68.26 | 27,363.0000 | 5,678,527 | 1.44% | 0.01% |
| Jan. 1, 2024 | Sezzle Inc. | $SEZL | Hartje Karen | Chief Financial Officer | F | Common Stock, par value $0.00001 per share | 1889 | $20.52 | 27,764.0000 | 5,678,527 | 6.37% | 0.03% |