Mark S. Blumenkranz

Business address
C/O 1 Life Healthcare, Inc., One Embarcadero Center, Suite 1900, San Francisco, CA, 94111
Top holdings (ownership)
KALA
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Mark S. Blumenkranz has filed 40 SEC EDGAR filings since 30 Jul 2014

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 12 Jun 2024 11 Jun 2024 001-38150
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Jul 2023 11 Jul 2023 001-36080
4 Open Document Open Filing 23 Jun 2023 22 Jun 2023 001-38150
4 Open Document Open Filing 02 Jun 2023 15 Feb 2023 001-38150
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023 001-36080
4 Open Document Open Filing FORM 4 15 May 2023 11 May 2023 001-36080
4 Open Document Open Filing PRIMARY DOCUMENT 24 Feb 2023 22 Feb 2023 001-39203
4 Open Document Open Filing FORM 4 19 Jul 2022 15 Jul 2022 001-36080
4 Open Document Open Filing 17 Jun 2022 16 Jun 2022 001-38150
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jun 2022 02 Jun 2022 001-39203
4 Open Document Open Filing FORM 4 13 May 2022 11 May 2022 001-36080
SC 13D Open Document Open Filing SC 13D 24 Nov 2021
4 Open Document Open Filing 17 Nov 2021 15 Nov 2021 001-38150
3 Open Document Open Filing 17 Nov 2021 15 Nov 2021 001-38150
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 Jul 2021 15 Jul 2021 001-36080
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jun 2021 03 Jun 2021 001-39203
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 May 2021 19 May 2021 001-36080
4 Open Document Open Filing 4 17 Jul 2020 15 Jul 2020 001-36080
3 Open Document Open Filing 3 17 Jul 2020 15 Jul 2020 001-36080
4 Open Document Open Filing FORM 4 SUBMISSION 18 May 2020 14 May 2020 001-39203
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jan 2020 30 Jan 2020 001-39203
4 Open Document Open Filing FORM 4 SUBMISSION 17 Feb 2016 12 Feb 2016 001-36579
4 Open Document Open Filing OWNERSHIP DOCUMENT 03 Aug 2015 01 Aug 2015 001-36824
4 Open Document Open Filing 15 Jun 2015 11 Jun 2015 001-36579
4 Open Document Open Filing 11 Jun 2015 09 Jun 2015 001-36579
4 Open Document Open Filing 08 Jun 2015 05 Jun 2015 001-36579
4 Open Document Open Filing FORM 4 SUBMISSION 21 May 2015 19 May 2015 001-36579
4 Open Document Open Filing 18 May 2015 15 May 2015 001-36579
4 Open Document Open Filing 13 May 2015 13 May 2015 001-36579
4 Open Document Open Filing 12 May 2015 11 May 2015 001-36579
4 Open Document Open Filing FORM 4 SUBMISSION 05 May 2015 01 May 2015 001-36579
4 Open Document Open Filing FORM 4 23 Apr 2015 21 Apr 2015 001-36579
4 Open Document Open Filing FORM 4 20 Apr 2015 16 Apr 2015 001-36579
4 Open Document Open Filing FORM 4 08 Apr 2015 07 Apr 2015 001-36579
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Mar 2015 16 Mar 2015 001-36824
3 Open Document Open Filing FORM 3 SUBMISSION 28 Jan 2015 28 Jan 2015 001-36824
4 Open Document Open Filing FORM 4 15 Jan 2015 13 Jan 2015 001-36579
4 Open Document Open Filing FORM 4 07 Aug 2014 05 Aug 2014 001-36579
3/A Open Document Open Filing FORM 3/A 07 Aug 2014 30 Jul 2014 001-36579
3 Open Document Open Filing FORM 3 30 Jul 2014 30 Jul 2014 001-36579