| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SC 13G/A | Feb 14, 2024 | |
| SC 13G/A | Report | VERTEX, INC. | Feb 14, 2024 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2024 | |
| SC 13G/A | Report | Feb 12, 2024 | ||
| SC 13G/A | Report | CONESTOGA CAPITAL ADVISORS | Jan 5, 2024 | |
| SC 13G/A | Report | FILING VERTEX, INC. | Dec 7, 2023 | |
| SC 13G/A | Report | VERTEX, INC. | Feb 14, 2023 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2023 | |
| SC 13G/A | Report | SC 13G/A | Feb 10, 2023 | |
| SC 13G/A | Report | SC 13G/A | Feb 10, 2023 | |
| SC 13G/A | Report | NONE | Feb 10, 2023 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | FILING VERTEX, INC. | Jan 27, 2023 | |
| SC 13G/A | Report | CONESTOGA CAPITAL ADVISORS | Jan 19, 2023 | |
| SC 13G | Report | SC 13G | Aug 5, 2022 | |
| SC 13G/A | Report | NONE | Feb 14, 2022 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 11, 2022 | |
| SC 13G/A | Report | SC 13G/A | Feb 11, 2022 | |
| SC 13G/A | Report | SC 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 2, 2022 | |
| SC 13G/A | Report | Jan 27, 2022 | ||
| SC 13G/A | Report | FILING VERTEX, INC. | Jan 18, 2022 | |
| SC 13G/A | Report | CONESTOGA CAPITAL ADVISORS | Jan 10, 2022 | |
| SC 13G/A | Report | VERTEX, INC. | Jan 10, 2022 | |
| SC 13G/A | Report | FILING VERTEX, INC. | Jun 8, 2021 | |
| SC 13G/A | Report | NONE | Apr 8, 2021 | |
| SC 13G | Report | VERTEX, INC. | Feb 16, 2021 | |
| SC 13G | Report | SEC SCHEDULE 13G | Feb 16, 2021 | |
| SC 13G | Report | SEC SCHEDULE 13G | Feb 16, 2021 | |
| SC 13G | Report | SC 13G | Feb 16, 2021 | |
| SC 13G/A | Report | AMENDMENT NO. 1 | Feb 16, 2021 | |
| SC 13G | Report | SC 13G | Feb 12, 2021 | |
| SC 13G | Report | NONE | Feb 11, 2021 | |
| SC 13G | Report | SEC SCHEDULE 13G | Feb 11, 2021 | |
| SC 13G | Report | Feb 11, 2021 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 10, 2021 | |
| SC 13G | Report | FILING VERTEX, INC. | Jan 19, 2021 | |
| SC 13G/A | Report | CONESTOGA CAPITAL ADVISORS | Jan 7, 2021 | |
| SC 13G | Report | CONESTOGA CAPITAL ADVISORS | Dec 9, 2020 | |
| SC 13G | Report | ACQUISITION OF BENEFICIAL OWNERSHIP | Aug 10, 2020 |