Robert Langer

Entity
Individual
Business address
98 Montvale Rd, 02459 Newton, MA
Insider ownership signature
/s/ David Horn, by power of attorney
All SEC filings
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Robert Langer has filed 133 SEC EDGAR filings since 6/9/2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing Jul 9, 2025 Jul 7, 2025 001-39747
4 Open Document Open Filing Jun 14, 2024 Jun 12, 2024 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT May 7, 2024 May 6, 2024 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION Jun 16, 2023 Jun 14, 2023 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2023 May 3, 2023 001-38753
5 Open Document Open Filing PRIMARY DOCUMENT Feb 3, 2023 Dec 31, 2022 001-38753
4 Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2022 Aug 17, 2022 001-39062
4 Open Document Open Filing PRIMARY DOCUMENT Jun 23, 2022 Jun 21, 2022 001-39062
4 Open Document Open Filing FORM 4 SUBMISSION Jun 17, 2022 Jun 15, 2022 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2022 Apr 28, 2022 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION Jan 12, 2022 Jan 10, 2022 001-39747
4 Open Document Open Filing FORM 4 SUBMISSION Jun 22, 2021 Jun 17, 2021 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT Jun 21, 2021 Jun 17, 2021 001-39062
4 Open Document Open Filing PRIMARY DOCUMENT Apr 30, 2021 Apr 28, 2021 001-38753
4 Open Document Open Filing FORM 4 Dec 11, 2020 Dec 3, 2020 001-39747
4 Open Document Open Filing FORM 4 Dec 9, 2020 Dec 8, 2020 001-39747
3 Open Document Open Filing FORM 3 Dec 3, 2020 Dec 3, 2020 001-39747
4 Open Document Open Filing PRIMARY DOCUMENT Nov 19, 2020 Nov 17, 2020 001-39062
3 Open Document Open Filing FORM 3 SUBMISSION Oct 29, 2020 Oct 29, 2020 001-39662
4 Open Document Open Filing PRIMARY DOCUMENT Jun 12, 2020 Jun 11, 2020 001-39062
4 Open Document Open Filing FORM 4 SUBMISSION May 6, 2020 May 5, 2020 001-39273
4 Open Document Open Filing FORM 4 SUBMISSION May 1, 2020 Apr 30, 2020 001-39273
3 Open Document Open Filing FORM 3 SUBMISSION Apr 30, 2020 Apr 30, 2020 001-39273
4 Open Document Open Filing PRIMARY DOCUMENT Apr 30, 2020 Apr 29, 2020 001-38753
4 Open Document Open Filing 4 Oct 17, 2019 Oct 14, 2019 001-38586
3 Open Document Open Filing FORM 3 SUBMISSION Oct 2, 2019 Oct 2, 2019 001-39062
4 Open Document Open Filing 4 Jul 17, 2019 Jul 15, 2019 001-38586
4 Open Document Open Filing PRIMARY DOCUMENT Jun 28, 2019 Jun 27, 2019 001-38753
4 Open Document Open Filing 4 May 28, 2019 May 23, 2019 001-38586
4 Open Document Open Filing 4 Apr 17, 2019 Apr 15, 2019 001-38586
4 Open Document Open Filing 4 Jan 18, 2019 Jan 14, 2019 001-38586
4 Open Document Open Filing FORM 4 SUBMISSION Dec 13, 2018 Dec 11, 2018 001-38753
3 Open Document Open Filing FORM 3 SUBMISSION Dec 7, 2018 Dec 7, 2018 001-38753
4 Open Document Open Filing 4 Jul 18, 2018 Jul 17, 2018 001-38586
3 Open Document Open Filing 3 Jul 17, 2018 Jul 17, 2018 001-38586
4 Open Document Open Filing FORM 4 - Jun 15, 2018 Jun 12, 2018 001-38150
3 Open Document Open Filing FORM 3 SUBMISSION May 10, 2018 May 10, 2018 001-38486
4 Open Document Open Filing FORM 4 - Jul 21, 2017 Jul 19, 2017 001-38150
3 Open Document Open Filing FORM 3 - Jul 19, 2017 Jul 19, 2017 001-38150
4 Open Document Open Filing FORM 4 SUBMISSION Aug 30, 2016 Aug 26, 2016 001-36072
4 Open Document Open Filing FORM 4 SUBMISSION Jun 22, 2016 Jun 21, 2016 001-36072
3 Open Document Open Filing 3 Jun 21, 2016 Jun 21, 2016 001-37798
4 Open Document Open Filing 4 Feb 11, 2016 Feb 10, 2016 001-36855
4 Open Document Open Filing FORM 4 - Jan 4, 2016 Dec 31, 2015 001-36855
4 Open Document Open Filing FORM 4 - Oct 1, 2015 Sep 30, 2015 001-36855
4 Open Document Open Filing FORM 4 - Jul 2, 2015 Jun 30, 2015 001-36855
4 Open Document Open Filing LANGER F4 Jun 10, 2015 Jun 9, 2015 001-36072
4 Open Document Open Filing FORM 4 - Apr 1, 2015 Mar 31, 2015 001-36855
4 Open Document Open Filing FORM 4 - Jan 5, 2015 Jan 2, 2015 000-50295
4 Open Document Open Filing FORM 4 - Jan 2, 2015 Dec 31, 2014 000-50295
4 Open Document Open Filing FORM 4 - Oct 1, 2014 Sep 30, 2014 000-50295
4 Open Document Open Filing FORM 4 - Jul 2, 2014 Jun 30, 2014 000-50295
4 Open Document Open Filing LANGER F4 5-28-14 May 29, 2014 May 28, 2014 001-36072
4 Open Document Open Filing FORM 4 - Apr 2, 2014 Mar 31, 2014 000-50295
4 Open Document Open Filing FORM 4 - Jan 3, 2014 Dec 31, 2013 000-50295