Third Rock Ventures IV, L.P. SEC EDGAR Filings (CIK 0001688327)

SEC EDGAR filings, ownership reports, and insider transactions for Third Rock Ventures IV, L.P..

Business address
201 Brookline Avenue, 14 Th Floor, Boston, MA, 02215
Top holdings (ownership)
MAZE, TNGX, and MGTA
Top holdings (Schedule 13D)
TNGX
Top holdings (Schedule 13G)
MAZE
State of incorporation
MA
Fiscal year end
31 December
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Third Rock Ventures IV, L.P. has filed 71 SEC EDGAR filings since 02 Nov 2016

Latest Filings

Recent SEC filings for Third Rock Ventures IV, L.P. including SCHEDULE 13G/A, SCHEDULE 13D/A, 4 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Feb 2026
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 10 Feb 2026
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 21 Nov 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 14 Nov 2025
4 Open 4 document View SEC filing for 4 4 05 Nov 2025 04 Nov 2025 001-42490
4 Open 4 document View SEC filing for 4 4 27 Oct 2025 23 Oct 2025 001-39485
144 Open 144 document View SEC filing for 144 23 Oct 2025
4 Open 4 document View SEC filing for 4 4 29 Sep 2025 25 Sep 2025 001-39485
144 Open 144 document View SEC filing for 144 25 Sep 2025
4 Open 4 document View SEC filing for 4 4 17 Sep 2025 16 Sep 2025 001-39485
144 Open 144 document View SEC filing for 144 17 Sep 2025
4 Open 4 document View SEC filing for 4 4 09 Sep 2025 05 Sep 2025 001-39485
144 Open 144 document View SEC filing for 144 08 Sep 2025
144 Open 144 document View SEC filing for 144 05 Sep 2025
4 Open 4 document View SEC filing for 4 4 26 Aug 2025 22 Aug 2025 001-39485
144 Open 144 document View SEC filing for 144 22 Aug 2025
4 Open 4 document View SEC filing for 4 4 21 Aug 2025 19 Aug 2025 001-39485
144 Open 144 document View SEC filing for 144 19 Aug 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 09 May 2025
4 Open 4 document View SEC filing for 4 4 04 Feb 2025 03 Feb 2025 001-42490
3 Open 3 document View SEC filing for 3 3 30 Jan 2025 30 Jan 2025 001-42490
4 Open 4 document View SEC filing for 4 4 17 Sep 2024 13 Sep 2024 001-39485
144 Open 144 document View SEC filing for 144 13 Sep 2024
4 Open 4 document View SEC filing for 4 4 09 Sep 2024 05 Sep 2024 001-39485
144 Open 144 document View SEC filing for 144 05 Sep 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 04 Sep 2024
4 Open 4 document View SEC filing for 4 4 04 Sep 2024 30 Aug 2024 001-39485
144 Open 144 document View SEC filing for 144 30 Aug 2024
4 Open 4 document View SEC filing for 4 4 29 Aug 2024 27 Aug 2024 001-39485
144 Open 144 document View SEC filing for 144 27 Aug 2024
4 Open 4 document View SEC filing for 4 4 20 Aug 2024 16 Aug 2024 001-39485
144 Open 144 document View SEC filing for 144 19 Aug 2024
144 Open 144 document View SEC filing for 144 16 Aug 2024
4 Open 4 document View SEC filing for 4 4 01 Aug 2024 30 Jul 2024 001-39485
144 Open 144 document View SEC filing for 144 01 Aug 2024
144 Open 144 document View SEC filing for 144 31 Jul 2024
144 Open 144 document View SEC filing for 144 30 Jul 2024
4 Open 4 document View SEC filing for 4 4 30 Jul 2024 26 Jul 2024 001-39485
144 Open 144 document View SEC filing for 144 26 Jul 2024
4 Open 4 document View SEC filing for 4 4 26 Jul 2024 24 Jul 2024 001-39485
144 Open 144 document View SEC filing for 144 25 Jul 2024
144 Open 144 document View SEC filing for 144 24 Jul 2024
4 Open 4 document View SEC filing for 4 4 24 Jul 2024 22 Jul 2024 001-39485
144 Open 144 document View SEC filing for 144 23 Jul 2024
144 Open 144 document View SEC filing for 144 22 Jul 2024
4 Open 4 document View SEC filing for 4 4 22 Jul 2024 18 Jul 2024 001-39485
144 Open 144 document View SEC filing for 144 18 Jul 2024
4 Open 4 document View SEC filing for 4 4 18 Jul 2024 17 Jul 2024 001-39485
144 Open 144 document View SEC filing for 144 17 Jul 2024
4 Open 4 document View SEC filing for 4 4 21 Feb 2024 20 Feb 2024 001-39485
144 Open 144 document View SEC filing for 144 21 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2023 07 Feb 2023 001-38541
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Aug 2021 25 Aug 2021 001-38541
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 19 Aug 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 12 Aug 2021 10 Aug 2021 001-39485
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jan 2021 12 Jan 2021 001-39385
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 14 Jan 2021 20 Jul 2020 001-39385
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Jul 2020 20 Jul 2020 001-39385
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 15 Jul 2020 15 Jul 2020 001-39385
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Jun 2020 05 Jun 2020 001-39303
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Jun 2020 02 Jun 2020 001-39303
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Feb 2020 18 Feb 2020 001-39219
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 12 Feb 2020 12 Feb 2020 001-39219
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 05 Feb 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jul 2019 22 Jul 2019 001-38978
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 Jul 2019 17 Jul 2019 001-38978
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jun 2018 25 Jun 2018 001-38541
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Jun 2018 20 Jun 2018 001-38541
D Open D document View SEC filing for D 02 Nov 2016 021-273650

About this filer

Third Rock Ventures IV, L.P. files with the SEC under CIK 0001688327. 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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