SEC EDGAR filings, ownership reports, and insider transactions for Katharine Knobil.
Recent SEC filings for Katharine Knobil including 4, 3.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Nov 2025 | 17 Nov 2025 | 001-37939 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 12 Jun 2025 | 11 Jun 2025 | 001-39062 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 09 Jun 2025 | 05 Jun 2025 | 001-39303 |
| 4 | Open 4 document | View SEC filing for 4 | OWNERSHIP DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | 001-37939 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 28 Aug 2024 | 26 Aug 2024 | 001-39062 |
| 3 | Open 3 document | View SEC filing for 3 | 3 | 28 Aug 2024 | 26 Aug 2024 | 001-39062 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | 001-39303 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Jun 2023 | 06 Jun 2023 | 001-37939 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Jun 2023 | 07 Jun 2023 | 001-39303 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Sep 2022 | 14 Sep 2022 | 001-39303 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 16 Sep 2022 | 14 Sep 2022 | 001-39303 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 May 2022 | 24 May 2022 | 001-37939 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Mar 2022 | 11 Mar 2022 | 000-31161 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 09 Dec 2021 | 08 Dec 2021 | 001-37939 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 09 Dec 2021 | 08 Dec 2021 | 001-37939 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Jun 2021 | 11 Jun 2021 | 000-31161 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Oct 2020 | 15 Oct 2020 | 001-38822 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2020 | 12 Jun 2020 | 000-31161 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 16 Jun 2020 | 12 Jun 2020 | 000-31161 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Apr 2020 | 15 Apr 2020 | 001-38822 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2020 | 28 Feb 2020 | 001-38822 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Nov 2019 | 15 Nov 2019 | 001-38822 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 27 Feb 2019 | 27 Feb 2019 | 001-38822 |
Katharine Knobil files with the SEC under CIK 0001768011. This page aggregates EDGAR filings and related ownership activity.