ROBERT LANGER

Business address
98 Montvale Rd, Newton, MA, 02459
Top holdings (ownership)
SEER
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ROBERT LANGER has filed 133 SEC EDGAR filings since 09 Jun 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 09 Jul 2025 07 Jul 2025 001-39747
4 Open Document Open Filing 14 Jun 2024 12 Jun 2024 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2024 06 May 2024 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jun 2023 14 Jun 2023 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT 05 May 2023 03 May 2023 001-38753
5 Open Document Open Filing PRIMARY DOCUMENT 03 Feb 2023 31 Dec 2022 001-38753
4 Open Document Open Filing PRIMARY DOCUMENT 19 Aug 2022 17 Aug 2022 001-39062
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jun 2022 21 Jun 2022 001-39062
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT 02 May 2022 28 Apr 2022 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jan 2022 10 Jan 2022 001-39747
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2021 17 Jun 2021 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jun 2021 17 Jun 2021 001-39062
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2021 28 Apr 2021 001-38753
4 Open Document Open Filing FORM 4 11 Dec 2020 03 Dec 2020 001-39747
4 Open Document Open Filing FORM 4 09 Dec 2020 08 Dec 2020 001-39747
3 Open Document Open Filing FORM 3 03 Dec 2020 03 Dec 2020 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT 19 Nov 2020 17 Nov 2020 001-39062
3 Open Document Open Filing FORM 3 SUBMISSION 29 Oct 2020 29 Oct 2020 001-39662
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jun 2020 11 Jun 2020 001-39062
4 Open Document Open Filing FORM 4 SUBMISSION 06 May 2020 05 May 2020 001-39273
4 Open Document Open Filing FORM 4 SUBMISSION 01 May 2020 30 Apr 2020 001-39273
3 Open Document Open Filing FORM 3 SUBMISSION 30 Apr 2020 30 Apr 2020 001-39273
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2020 29 Apr 2020 001-38753
4 Open Document Open Filing 4 17 Oct 2019 14 Oct 2019 001-38586
3 Open Document Open Filing FORM 3 SUBMISSION 02 Oct 2019 02 Oct 2019 001-39062
4 Open Document Open Filing 4 17 Jul 2019 15 Jul 2019 001-38586
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jun 2019 27 Jun 2019 001-38753
4 Open Document Open Filing 4 28 May 2019 23 May 2019 001-38586
4 Open Document Open Filing 4 17 Apr 2019 15 Apr 2019 001-38586
4 Open Document Open Filing 4 18 Jan 2019 14 Jan 2019 001-38586
4 Open Document Open Filing FORM 4 SUBMISSION 13 Dec 2018 11 Dec 2018 001-38753
3 Open Document Open Filing FORM 3 SUBMISSION 07 Dec 2018 07 Dec 2018 001-38753
4 Open Document Open Filing 4 18 Jul 2018 17 Jul 2018 001-38586
3 Open Document Open Filing 3 17 Jul 2018 17 Jul 2018 001-38586
4 Open Document Open Filing FORM 4 - 15 Jun 2018 12 Jun 2018 001-38150
3 Open Document Open Filing FORM 3 SUBMISSION 10 May 2018 10 May 2018 001-38486
4 Open Document Open Filing FORM 4 - 21 Jul 2017 19 Jul 2017 001-38150
3 Open Document Open Filing FORM 3 - 19 Jul 2017 19 Jul 2017 001-38150
4 Open Document Open Filing FORM 4 SUBMISSION 30 Aug 2016 26 Aug 2016 001-36072
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2016 21 Jun 2016 001-36072
3 Open Document Open Filing 3 21 Jun 2016 21 Jun 2016 001-37798
4 Open Document Open Filing 4 11 Feb 2016 10 Feb 2016 001-36855
4 Open Document Open Filing FORM 4 - 04 Jan 2016 31 Dec 2015 001-36855
4 Open Document Open Filing FORM 4 - 01 Oct 2015 30 Sep 2015 001-36855
4 Open Document Open Filing FORM 4 - 02 Jul 2015 30 Jun 2015 001-36855
4 Open Document Open Filing LANGER F4 10 Jun 2015 09 Jun 2015 001-36072
4 Open Document Open Filing FORM 4 - 01 Apr 2015 31 Mar 2015 001-36855
4 Open Document Open Filing FORM 4 - 05 Jan 2015 02 Jan 2015 000-50295
4 Open Document Open Filing FORM 4 - 02 Jan 2015 31 Dec 2014 000-50295
4 Open Document Open Filing FORM 4 - 01 Oct 2014 30 Sep 2014 000-50295
4 Open Document Open Filing FORM 4 - 02 Jul 2014 30 Jun 2014 000-50295
4 Open Document Open Filing LANGER F4 5-28-14 29 May 2014 28 May 2014 001-36072
4 Open Document Open Filing FORM 4 - 02 Apr 2014 31 Mar 2014 000-50295
4 Open Document Open Filing FORM 4 - 03 Jan 2014 31 Dec 2013 000-50295