| SC 13G/A | 2022-02-11 | Elizabeth Park Capital Advisors, Ltd. | CORTLAND BANCORP INC | 0 | 0.0% | EDGAR |
| SC 13D/A | 2021-09-28 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 211,962 | 5.0% | EDGAR |
| SC 13D/A | 2021-08-12 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 292,160 | 6.8% | EDGAR |
| SC 13D/A | 2021-06-25 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 334,500 | 7.8% | EDGAR |
| SC 13D/A | 2020-04-13 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 409,500 | 9.8% | EDGAR |
| SC 13D/A | 2020-04-10 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 407,840 | 9.7% | EDGAR |
| SC 13G/A | 2019-02-14 | Elizabeth Park Capital Advisors, Ltd. | CORTLAND BANCORP INC | 328,368 | 7.6% | EDGAR |
| SC 13G/A | 2018-02-01 | Elizabeth Park Capital Advisors, Ltd. | CORTLAND BANCORP INC | 310,513 | 7.0% | EDGAR |
| SC 13D/A | 2017-10-05 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 307,509 | 6.9% | EDGAR |
| SC 13D/A | 2017-02-03 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 276,329 | 6.2% | EDGAR |
| SC 13G/A | 2016-02-18 | Elizabeth Park Capital Advisors, Ltd. | CORTLAND BANCORP INC | 248,835 | 5.5% | EDGAR |
| SC 13D | 2015-08-06 | Ancora Advisors, LLC | CORTLAND BANCORP INC | 231,490 | 5.1% | EDGAR |
| SC 13G | 2015-02-17 | Elizabeth Park Capital Advisors, Ltd. | CORTLAND BANCORP INC | 233,260 | 5.2% | EDGAR |