| Date Filed | Type | Description |
| 08/14/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/14/2023 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 5.4% stake in STITCH FIX INC |
| 02/14/2023 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 7.8% stake in PROTO LABS INC |
| 02/14/2023 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 10% stake in MIX TELEMATICS LTD. SP |
| 02/14/2023 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 11.8% stake in GEOSPACE TECHNOLOGIES CORPORATION |
| 02/14/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/15/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/15/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/16/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/14/2022 |
SC 13G
| DISCIPLINED GROWTH INVESTORS INC reports a 6.5% stake in PROTO LABS INC |
| 02/14/2022 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 3.5% stake in STITCH FIX INC |
| 02/14/2022 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 6% stake in PLANTRONICS INC |
| 02/14/2022 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 7.9% stake in MIX TELEMATICS LTD. SP |
| 02/14/2022 |
SC 13G/A
| DISCIPLINED GROWTH INVESTORS INC reports a 11.5% stake in GEOSPACE TECHNOLOGIES CORPORATION |
| 02/14/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/16/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/17/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/16/2021 |
SC 13G
| DISCIPLINED GROWTH INVESTORS INC reports a 9.9% stake in GEOSPACE TECHNOLOGIES CORPORATION |
| 02/16/2021 |
SC 13G
| DISCIPLINED GROWTH INVESTORS INC reports a 7.9% stake in MIX TELEMATICS LTD. SP |
| 02/16/2021 |
SC 13G
| DISCIPLINED GROWTH INVESTORS INC reports a 7% stake in PLANTRONICS INC |
| 02/16/2021 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/16/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/16/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/14/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/15/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/14/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/15/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/14/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/14/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/13/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/16/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/15/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/17/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/15/2018 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
|