Private company

Tetraphase Pharmaceuticals (United States)

Tetraphase Pharmaceuticals (United States) is an American pharmaceutical preparations company based in Watertown.1 It was founded in 2006.1

Last updated Oct 20, 2026.

Overview

2006Founded1
  • IndustryPharmaceutical Preparations1
  • HeadquartersWatertown1
  • Websitewww.tphase.com
  • Incorporated inDE3
  • Business address480 Arsenal Way, Watertown, Ma 024723
  • Filer categoryNon-accelerated filer, Smaller reporting company3

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What it owns

What Tetraphase Pharmaceuticals (United States) reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Property and equipment, before depreciation$1.3M4 Dec 31, 2019$4.9M4 Dec 31, 2018−73.8%
Accumulated depreciation$1.2M4 Dec 31, 2019$3.8M4 Dec 31, 2018−68.6%
Property and equipment, net$98.0K4 Dec 31, 2019$1.1M4 Dec 31, 2018−91.3%
Operating-lease assets (leased space)$4.8M4 Dec 31, 2019

Investments

ItemLatestA year beforeChange
Cash and cash equivalents$21.2M4 Dec 31, 2019$107.8M4 Dec 31, 2018−80.3%

Inventory

ItemLatestA year beforeChange
Inventory, total$1.6M4 Dec 31, 2019$748.0K4 Dec 31, 2018+113.2%
Work in process$115.0K4 Dec 31, 2019$655.0K4 Dec 31, 2018−82.4%
Finished goods$1.5M4 Dec 31, 2019$93.0K4 Dec 31, 2018+1491.4%

Leadership

Who has led Tetraphase Pharmaceuticals (United States), and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Guy Macdonald2013–2019

President

  1. Guy Macdonald2013–2019

Chief financial officer

  1. David Charles Lubner2013–2015
  2. Kamalam Unninayar2017–2018
2010201520202025
Board members and other officers (19)

Timeline

  1. Mar 19, 2013New chief executive Guy Macdonald becomes CEO5
  2. 2006Founded Founded1

Filings

1 filings to the SEC since October 2021: 1 other. The latest 1:

  1. Feb 1, 2023CT ORDER EDGAR

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

SEC filer profile

How Tetraphase Pharmaceuticals (United States) is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARTETRAPHASE PHARMACEUTICALS INC2
  • CIK0001373707
  • Filer statusNon-accelerated filer<br>smaller reporting company2
  • Incorporated inDelaware2
  • Fiscal year endsDecember 312
  • Industry code (SIC)2834 Pharmaceutical Preparations2
  • Business address480 Arsenal Way, Watertown, MA 024722
  • Phone617.715.36002
  • Shares outstanding7,263,236 as of May 6, 202026
  • Public float$17.6M as of Jun 28, 20194
  • On EDGAR sinceAug 21, 20062
  • Filings548 in all: 4 (184), 8-K (79), 3 (37), SC 13G/A (25), 10-Q (22), 425 (21), SC 13G (21), CT ORDER (15)2
    All 47 form types

    424B5 (11), EFFECT (11), CORRESP (10), S-8 (9), S-8 POS (9), SC 13D/A (9), DEFA14A (8), 10-K (7), DEF 14A (7), POS AM (5), UPLOAD (5), S-1/A (4), S-3 (4), SC 13D (4), SC 14D9/A (4), D (3), 4/A (2), 424B4 (2), ARS (2), DRS/A (2), FWP (2), S-1 (2), SC 14D9 (2), SC TO-C (2), SC TO-T (2), SC TO-T/A (2), SC14D9C (2), 15-12B (1), 25-NSE (1), 3/A (1), 8-A12B (1), CERTNAS (1), DEFM14A (1), DRS (1), PRE 14A (1), REGDEX (1), S-1MEF (1), S-3/A (1), S-3ASR (1)

  • Latest filingsAnnual report (10-K) Mar 12, 2020
    Quarterly report (10-Q) May 7, 2020
    Proxy statement (DEF 14A) Aug 7, 2019
    Latest 8-K (8-K) Jul 29, 2020

Sources

The numbers on this page point here. Each one links to the record it came from.

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