| SC 13G/A | 2021-10-08 | Neuberger Berman Group LLC | LYDALL INC /DE/ | 191,072 | 1.1% | EDGAR |
| SC 13G | 2021-09-24 | GLAZER CAPITAL, LLC | LYDALL INC /DE/ | 960,795 | 5.3% | EDGAR |
| SC 13D | 2021-08-06 | Magnetar Financial LLC | LYDALL INC /DE/ | 1,061,925 | 5.9% | EDGAR |
| SC 13D/A | 2021-06-29 | Juniper Investment Company, LLC | LYDALL INC /DE/ | 539,904 | 3.0% | EDGAR |
| SC 13G/A | 2021-02-12 | DIMENSIONAL FUND ADVISORS LP | LYDALL INC /DE/ | 1,295,548 | 7.3% | EDGAR |
| SC 13G/A | 2021-02-11 | Neuberger Berman Group LLC | LYDALL INC /DE/ | 1,108,128 | 6.2% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | LYDALL INC /DE/ | 1,053,920 | 5.9% | EDGAR |
| SC 13G/A | 2021-01-26 | BlackRock Inc. | LYDALL INC /DE/ | 2,588,147 | 14.6% | EDGAR |
| SC 13D/A | 2020-05-15 | Juniper Investment Company, LLC | LYDALL INC /DE/ | 701,199 | 4.0% | EDGAR |
| SC 13D | 2020-05-05 | Juniper Investment Company, LLC | LYDALL INC /DE/ | 576,867 | 3.3% | EDGAR |
| SC 13G/A | 2020-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | LYDALL INC /DE/ | 643,585 | 3.6% | EDGAR |
| SC 13G/A | 2020-02-13 | Champlain Investment Partners, LLC | LYDALL INC /DE/ | 714,220 | 4.1% | EDGAR |
| SC 13G | 2020-02-13 | Neuberger Berman Group LLC | LYDALL INC /DE/ | 1,050,039 | 6.0% | EDGAR |
| SC 13G/A | 2020-02-12 | DIMENSIONAL FUND ADVISORS LP | LYDALL INC /DE/ | 1,402,173 | 8.0% | EDGAR |
| SC 13G | 2020-02-11 | VANGUARD GROUP INC | LYDALL INC /DE/ | 1,157,021 | 6.6% | EDGAR |
| SC 13G/A | 2020-02-04 | BlackRock Inc. | LYDALL INC /DE/ | 2,757,432 | 15.7% | EDGAR |
| SC 13G/A | 2019-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | LYDALL INC /DE/ | 1,438,263 | 8.2% | EDGAR |
| SC 13G/A | 2019-02-13 | Champlain Investment Partners, LLC | LYDALL INC /DE/ | 1,269,315 | 7.3% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | LYDALL INC /DE/ | 856,430 | 4.9% | EDGAR |
| SC 13G/A | 2019-02-08 | DIMENSIONAL FUND ADVISORS LP | LYDALL INC /DE/ | 1,203,788 | 6.9% | EDGAR |