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NASDAQ · PRTK

Paratek Pharmaceuticals, Inc.

Healthcare · Biotechnology

$2.23

Up+$0.04 (+1.83%)

Updated Sep 11, 2026, 8:47 AM

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Market cap
127.83M
P/E ratio
-1.91
Dividend yield
0.00%
52-week range
— – —
Volume
4.48M
Avg. volume
631.34K

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PRTK price history

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PRTK research

Overview

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Company profile

Paratek Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on the development and commercialization of life-saving therapies for life-threatening diseases or other public health threats for civilian, government, and military use. Its lead product candidates include NUZYRA, a once-daily oral and intravenous broad-spectrum antibiotic for the treatment of adult patients with community-acquired bacterial pneumonia and acute bacterial skin and skin structure infections caused by susceptible pathogens; and SEYSARA, a tetracycline designed for the treatment of moderate to severe acne vulgaris. The company has license and collaboration agreements with Zai Lab (Shanghai) Co., Ltd. and Allergan plc; license agreement with Tufts University to develop and commercialize products for the treatment or prevention of bacterial or microbial diseases, or medical conditions; and contract with Biomedical Advanced Research and Development Authority to support the development of NUZYRA for the treatment of pulmonary anthrax. In addition, it has license agreement with Tetraphase Pharmaceuticals, Inc. to develop, import, and sell the XERAVATM product, which is used for the treatment of complicated intra-abdominal infections caused by bacteria. Paratek Pharmaceuticals, Inc. was founded in 1996 and is headquartered in Boston, Massachusetts.

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Analyst outlook

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PRTK recent ratings
DateFirmRatingTarget
Aug 7, 2023HC Wainwright & Co.Neutral
Jul 10, 2023HC Wainwright & Co.Neutral
Jun 7, 2023HC Wainwright & Co.Neutral
Jun 7, 2023JefferiesHold
Mar 20, 2023HC Wainwright & Co.Buy
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globenewswire.com · Oct 17, 2025

Paratek Pharmaceuticals to Present New Data on NUZYRA® (omadacycline) at IDWeek 2025 and CHEST 2025

KING OF PRUSSIA, Pa. and BOSTON, Oct. 17, 2025 (GLOBE NEWSWIRE) -- Paratek Pharmaceuticals, Inc., a privately held pharmaceutical company focused on the development and commercialization of specialty therapies for specialists and community care providers that address public health threats and important unmet medical needs, today announced that new data from clinical studies of NUZYRA® (omadacycline) will be presented at IDWeek 2025 in Atlanta, GA, and CHEST 2025 in Chicago, IL, both meetings being held October 19-22.

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