SEC EDGAR filings, ownership reports, and insider transactions for George N. Mattson.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 14 Jul 2025 | 10 Jul 2025 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2025 | 10 Apr 2025 | 001-39598 |
| 4/A | Open Document | Open Filing | FORM 4/A | 26 Feb 2025 | 10 Jan 2025 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jan 2025 | 10 Jan 2025 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2024 | 10 Oct 2024 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jul 2024 | 10 Jul 2024 | 001-39598 |
| 144 | Open Document | Open Filing | 22 May 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2024 | 10 Apr 2024 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2023 | 10 Oct 2023 | 001-39598 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Sep 2023 | 20 Sep 2023 | 001-39541 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2023 | 12 Jul 2023 | 001-39598 |
| 4 | Open Document | Open Filing | 20 Jun 2023 | 15 Jun 2023 | 001-05424 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2023 | 13 Apr 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2023 | 10 Apr 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2023 | 05 Apr 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2023 | 03 Apr 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2023 | 19 Jan 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jan 2023 | 13 Jan 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jan 2023 | 09 Jan 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2023 | 03 Jan 2023 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Oct 2022 | 30 Sep 2022 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2022 | 12 Sep 2022 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2022 | 03 Aug 2022 | 001-39598 |
| 4 | Open Document | Open Filing | 21 Jun 2022 | 16 Jun 2022 | 001-05424 | |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2022 | 09 Jun 2022 | 001-38202 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2022 | 31 Dec 2021 | 001-39598 |
| 4 | Open Document | Open Filing | 03 Jan 2022 | 13 Apr 2021 | 001-40267 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2021 | 03 Dec 2021 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Nov 2021 | 23 Nov 2021 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2021 | 10 Nov 2021 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2021 | 15 Sep 2021 | 001-39598 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2021 | 25 Aug 2021 | 001-38202 |
| 4 | Open Document | Open Filing | 21 Jun 2021 | 17 Jun 2021 | 001-05424 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 22 Mar 2021 | 22 Mar 2021 | 001-40267 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 06 Oct 2020 | 06 Oct 2020 | 001-39598 |
| 4 | Open Document | Open Filing | 22 Jun 2020 | 18 Jun 2020 | 001-05424 | |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2020 | 02 Jun 2020 | 001-38202 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2020 | 30 Dec 2019 | 001-38202 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Oct 2019 | 25 Oct 2019 | 001-38202 |
| 4 | Open Document | Open Filing | 21 Jun 2019 | 20 Jun 2019 | 001-05424 | |
| 4 | Open Document | Open Filing | 26 Dec 2018 | 21 Dec 2018 | 001-05424 | |
| 4 | Open Document | Open Filing | 21 Dec 2018 | 20 Dec 2018 | 001-05424 | |
| 4 | Open Document | Open Filing | 18 Dec 2018 | 17 Dec 2018 | 001-05424 | |
| 4 | Open Document | Open Filing | 02 Jul 2018 | 28 Jun 2018 | 001-05424 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2018 | 09 Feb 2018 | 001-05424 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Feb 2018 | 08 Feb 2018 | 001-05424 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Aug 2017 | 24 Aug 2017 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2017 | 30 Jun 2017 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2016 | 03 Aug 2016 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2016 | 10 Jun 2016 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2016 | 04 May 2016 | 001-05424 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jun 2015 | 24 Jun 2015 | 001-05424 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 May 2015 | 26 May 2015 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2014 | 26 Jun 2014 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2013 | 27 Aug 2013 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2013 | 13 Aug 2013 | 001-05424 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Jun 2013 | 27 Jun 2013 | 001-05424 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2012 | 31 Oct 2012 | 001-05424 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Oct 2012 | 01 Oct 2012 | 001-05424 |