Alfred Sandrock SEC EDGAR Filings (CIK 0001577061)

SEC EDGAR filings, ownership reports, and insider transactions for Alfred Sandrock.

Business address
14 Cambridge Center, Cambridge, MA, 02142
Top holdings (ownership)
BIIB and VYGR
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Alfred Sandrock has filed 70 SEC EDGAR filings since 10 Jun 2013

Latest Filings

Recent SEC filings for Alfred Sandrock including 4, 144, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Apr 2025 02 Apr 2025 001-37625
144 Open 144 document View SEC filing for 144 02 Apr 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Feb 2025 20 Feb 2025 001-37625
144 Open 144 document View SEC filing for 144 20 Feb 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Feb 2025 11 Feb 2025 001-37625
144 Open 144 document View SEC filing for 144 11 Feb 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Apr 2024 02 Apr 2024 001-37625
144 Open 144 document View SEC filing for 144 02 Apr 2024
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Feb 2024 21 Feb 2024 001-37625
144 Open 144 document View SEC filing for 144 21 Feb 2024
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Feb 2024 09 Feb 2024 001-37625
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Apr 2023 03 Apr 2023 001-37625
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Feb 2023 17 Feb 2023 001-37625
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 23 Mar 2022 22 Mar 2022 001-37625
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 09 Feb 2022 07 Feb 2022 001-37625
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 09 Feb 2022 07 Feb 2022 001-37625
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2021 07 Jun 2021 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Feb 2021 18 Feb 2021 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Feb 2021 12 Feb 2021 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2021 27 Jan 2021 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Nov 2020 04 Nov 2020 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Feb 2020 15 Feb 2020 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2020 12 Feb 2020 000-19311
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2019 22 May 2019 000-22705
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2019 22 Feb 2019 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2019 15 Feb 2019 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2019 12 Feb 2019 000-19311
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 May 2018 24 May 2018 000-22705
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2018 27 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2018 23 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2018 22 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Feb 2018 20 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2018 15 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2018 15 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2018 12 Feb 2018 000-19311
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jun 2017 22 May 2017 000-22705
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2017 03 Apr 2017 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2017 01 Mar 2017 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2017 28 Feb 2017 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Feb 2017 15 Feb 2017 000-19311
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2016 20 May 2016 000-22705
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2016 25 Feb 2016 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Feb 2016 23 Feb 2016 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Feb 2016 22 Feb 2016 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Feb 2016 17 Feb 2016 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Feb 2016 12 Feb 2016 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Feb 2016 08 Feb 2016 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Dec 2015 03 Dec 2015 000-19311
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Sep 2015 02 Sep 2015 000-22705
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 04 Sep 2015 02 Sep 2015 000-22705
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2015 27 Mar 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2015 01 Mar 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Feb 2015 23 Feb 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Feb 2015 17 Feb 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Feb 2015 12 Feb 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2015 10 Feb 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Feb 2015 08 Feb 2015 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2014 03 Dec 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2014 04 Mar 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Mar 2014 03 Mar 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2014 26 Feb 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Feb 2014 23 Feb 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2014 12 Feb 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Feb 2014 11 Feb 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2014 08 Feb 2014 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2013 03 Dec 2013 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Oct 2013 22 Oct 2013 000-19311
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Sep 2013 16 Sep 2013 000-19311
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 24 Jun 2013 03 Jun 2013 000-19311
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 10 Jun 2013 03 Jun 2013 000-19311

About this filer

Alfred Sandrock files with the SEC under CIK 0001577061. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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