SG

SG BLOCKS, INC.

  • CIK: 0001023994
  • EIN: 95-4463937
  • Business address: 195 MONTAGUE STREET, 14TH FLOOR, BROOKLYN, New York, 11201

Information

  • Mailing address
    195 MONTAGUE STREET, 14TH FLOOR, BROOKLYN, Delaware, 11201
  • Phone
    (646) 240-4235
  • State location
    New York
  • State of incorporation
    Delaware
  • Fiscal year end
    December 31
  • SIC
    5030 - (CF Office: Office of Trade & Services) WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS
  • Filings
    N/A

About SG BLOCKS, INC.

SG BLOCKS, INC. (CIK: 0001023994) is an American company incorporated in the state of New York. Head office is located at 195 MONTAGUE STREET, 14TH FLOOR, BROOKLYN, New York, 11201. Work in the industry 5030 - (CF Office: Office of Trade & Services) WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS. SG BLOCKS, INC. is a public company and trade via Over-The-Counter (OTC).

Old names:

  • CDSI HOLDINGS INC from 1999-14-Apr to 2011-18-Nov
  • PC411 INC from 1997-12-May to 1998-11-Dec

Ownership

Owner Filings Transaction Date Type of Owner
Anderson Jill Ellen 0001992396 Aug-30-2023 director
Villaverde Vanessa 0001991921 Aug-24-2023 director
Kaelin Patricia 0001976754 May-01-2023 officer: Chief Financial Officer
Cormier-May Elizabeth 0001961240 Jan-06-2023 director
Hawkins Shafron E. 0001960540 Dec-22-2022 director
Shaw John William 0001969685 Nov-28-2022 10 percent owner
Safina Joseph 0001320353 Oct-01-2021 director
Blumenfeld Yaniv 0001738621 Oct-01-2021 director
Sheeran Gerald Anthony 0001787009 Oct-01-2021 officer: Acting Chief Financial Officer
Coleman Margaret 0001819986 Oct-01-2021 director
Villareal David 0001866214 Oct-01-2021 director
Rogers William Jeffrey 0001887312 Sep-27-2021 officer: Chief Operating Officer
SWETS LARRY G JR 0001409891 Mar-06-2020 10 percent owner
Potts James C 0001763513 Dec-27-2018 director
Titan Advisors, LLC 0001676319 Dec-19-2017 10 percent owner
HSPL Holdings, LLC 0001727083 Dec-19-2017 10 percent owner
Moore A Richard JR 0001697761 Feb-02-2017 director
Ayyar Balan R 0001697760 Jan-30-2017 director
Kaufman Neal P 0001349462 Jun-30-2016 director
Shetty Mahesh S 0001362346 Jun-30-2016 director, officer: CFO
Hillair Capital Investments LP 0001536125 Jun-30-2016 10 percent owner
Grossman Bruce 0001638139 Jun-30-2016 10 percent owner
McAvoy Sean M 0001642615 Jun-30-2016 10 percent owner
Hillair Capital Management LLC 0001642616 Jun-30-2016 10 percent owner
Nuccitelli Marc 0001681615 Jun-30-2016 10 percent owner
BELL MARC N 0001195910 Jan-30-2014 director
Casano Frank 0001599363 Jan-30-2014 director
LAMPEN RICHARD 0001047092 Nov-07-2011 director
KIRKLAND J BRYANT III 0001142748 Nov-07-2011 director
WASSERMAN BRIAN A 0001124484 Nov-04-2011 officer: CFO
Tacopina Joseph 0001532816 Nov-04-2011 director
Magrane J. Scott 0001532973 Nov-04-2011 director
Galvin Paul M. 0001532974 Nov-04-2011 director, officer: CEO
Strumingher Jennifer 0001532975 Nov-04-2011 officer: Chief Administrative Officer
Armstrong Stevan 0001533029 Nov-04-2011 director, officer: President, COO
Melton Christopher 0001533552 Nov-04-2011 director
HALPRYN GLENN L 0000938439 Apr-23-2010 director

Stock Chart

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Jobs

Coming soon!

Recent SEC Filings

Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by SG BLOCKS, INC.

Filings Format Description Filed/Effective File/Film Number
8-K Document

Current report filing

Acc-no: 0001213900-26-027183 (34 Act) Size: KB		 Mar-13-2026

001-38037

26749556
8-K Document

Current report filing

Acc-no: 0001213900-26-018046 (34 Act) Size: KB		 Feb-18-2026

001-38037

26650337
DEFR14A Document

Definitive revised proxy soliciting materials

Acc-no: 0001213900-26-015958 (34 Act) Size: KB		 Feb-13-2026

001-38037

26629669
8-K Document

Current report filing

Acc-no: 0001213900-26-015893 (34 Act) Size: KB		 Feb-13-2026

001-38037

26629042
8-K Document

Current report filing

Acc-no: 0001213900-26-013951 (34 Act) Size: KB		 Feb-10-2026

001-38037

26613549
8-K Document

Current report filing

Acc-no: 0001213900-26-012921 (34 Act) Size: KB		 Feb-06-2026

001-38037

26604515
8-K Document

Current report filing

Acc-no: 0001213900-26-005742 (34 Act) Size: KB		 Jan-20-2026

001-38037

26543854
8-K Document

Current report filing

Acc-no: 0001213900-26-005739 (34 Act) Size: KB		 Jan-20-2026

001-38037

26543843
DEFA14A Document

Additional definitive proxy solicitation materials

Acc-no: 0001213900-26-004612 (34 Act) Size: KB		 Jan-15-2026

001-38037

26535741
8-K Document

Current report filing

Acc-no: 0001213900-26-004358 (34 Act) Size: KB		 Jan-14-2026

001-38037

26533441
8-K Document

Current report filing

Acc-no: 0001213900-26-002999 (34 Act) Size: KB		 Jan-09-2026

001-38037

26523879
424B3 Document

Prospectus filed pursuant to Rule 424(b)(3)

Acc-no: 0001213900-26-002154 (33 Act) Size: KB		 Jan-07-2026

333-292472

26515601
EFFECT Document Acc-no: 9999999995-26-000085 (33 Act) Size: KB Jan-06-2026

333-292472

26513870
CORRESP Document

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Acc-no: 0001213900-26-001324 ( Act) Size: KB		 Jan-05-2026

UPLOAD Document Acc-no: 0000000000-26-000059 ( Act) Size: KB Jan-05-2026

333-292472
SCHEDULE 13G Document Acc-no: 0001947975-25-000027 (34 Act) Size: KB Dec-30-2025

005-53033

251612700
8-K Document

Current report filing

Acc-no: 0001213900-25-126323 (34 Act) Size: KB		 Dec-30-2025

001-38037

251611075
S-1 Document

General form of registration statement for all companies including face-amount certificate companies

Acc-no: 0001213900-25-126177 (33 Act) Size: KB		 Dec-30-2025

333-292472

251610625
DEFA14A Document

Additional definitive proxy solicitation materials

Acc-no: 0001213900-25-124032 (34 Act) Size: KB		 Dec-22-2025

001-38037

251588991
DEF 14A Document

Definitive proxy statements

Acc-no: 0001213900-25-123956 (34 Act) Size: KB		 Dec-19-2025

001-38037

251588663

Recent 20 filings. View all SG BLOCKS, INC. filings

Reviews

Overall rating 5.0

Aug 22, 2022

Ryan Storey

Huge help thank you for your help .. y'all make it so much easier

Aug 22, 2022

Catherine

Thanks I look forward to using the product to improve my skin tone

Aug 22, 2022

Pelisari

young lad who new his job ansered questions and new what was best for me.

Frequently Asked Questions

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Disclaimer: The information on the Service is provided with the understanding that the Company is not herein engaged in rendering legal, accounting, tax, or other professional advice and services. As such, it should not be used as a substitute for consultation with professional accounting, tax, legal or other competent advisers.

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