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They're fighting for control of lithium – a key ingredient in EVs and clean energy technology. It's arguably the most important commodity of the 21st century. China owns 80% of global supply. But the US plans to grab a massive slice of the lithium market, which is forecasted to quadruple to $193 billion by 2028, according to Fortune Business Insights.
The US-China "Lithium War" Is Creating Opportunity

PRTK Insider Trading (Paratek Pharmaceuticals)

Insider Ownership Percentage: 7.70%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,558,231.64

Paratek Pharmaceuticals Insider Trading History Chart

This chart shows the insider buying and selling history at Paratek Pharmaceuticals by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Paratek Pharmaceuticals Share Price & Price History

Current Price: $2.01
Price Change: Price Increase of +0.05 (2.55%)
As of 05/19/2022 12:35 PM ET

This chart shows the closing price history over time for PRTK up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
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Paratek Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/15/2021Evan LohCEOSell49,259$4.27$210,335.93View SEC Filing Icon  
12/15/2021Michael BighamChairmanSell17,819$4.27$76,087.13View SEC Filing Icon  
12/15/2021Randall B. BrennerInsiderSell15,780$4.27$67,380.60View SEC Filing Icon  
12/15/2021William M HaskelGeneral CounselSell17,178$4.27$73,350.06View SEC Filing Icon  
12/13/2021Evan LohCEOSell13,983$4.42$61,804.86View SEC Filing Icon  
12/13/2021Michael BighamChairmanSell5,059$4.42$22,360.78View SEC Filing Icon  
12/13/2021Randall B. BrennerInsiderSell4,479$4.42$19,797.18View SEC Filing Icon  
12/13/2021William M HaskelGeneral CounselSell4,876$4.42$21,551.92View SEC Filing Icon  
8/17/2021Evan LohCEOSell33,931$5.12$173,726.721,034,291View SEC Filing Icon  
8/17/2021Michael BighamChairmanSell32,030$5.12$163,993.60954,312View SEC Filing Icon  
8/17/2021Randall B. BrennerInsiderSell8,766$5.12$44,881.92512,296View SEC Filing Icon  
8/17/2021William M HaskelGeneral CounselSell9,692$5.12$49,623.04380,217View SEC Filing Icon  
6/4/2021Adam WoodrowInsiderSell17,182$9.70$166,665.40491,978View SEC Filing Icon  
6/4/2021Michael BighamChairmanSell34,364$9.70$333,330.80913,676View SEC Filing Icon  
6/4/2021William M HaskelGeneral CounselSell7,561$9.70$73,341.70364,653View SEC Filing Icon  
12/14/2020Adam WoodrowInsiderSell12,855$6.71$86,257.05284,128View SEC Filing Icon  
12/14/2020Evan LohCEOSell26,415$6.71$177,244.65626,974View SEC Filing Icon  
12/14/2020Michael BighamChairmanSell26,063$6.71$174,882.73572,580View SEC Filing Icon  
12/14/2020William M HaskelGeneral CounselSell6,842$6.71$45,909.82210,109View SEC Filing Icon  
12/11/2020Adam WoodrowInsiderSell9,045$6.95$62,862.75284,128View SEC Filing Icon  
12/11/2020Evan LohCEOSell18,585$6.95$129,165.75626,974View SEC Filing Icon  
12/11/2020Michael BighamChairmanSell18,337$6.95$127,442.15572,580View SEC Filing Icon  
12/11/2020William M HaskelGeneral CounselSell4,814$6.95$33,457.30210,109View SEC Filing Icon  
11/13/2020Evan LohCEOSell20,928$5.93$124,103.04666,487View SEC Filing Icon  
11/13/2020Michael BighamChairmanSell26,250$5.93$155,662.50617,167View SEC Filing Icon  
11/13/2020Randall B. BrennerInsiderSell8,357$5.93$49,557.01152,063View SEC Filing Icon  
11/13/2020William M HaskelGeneral CounselSell6,892$5.93$40,869.56221,815View SEC Filing Icon  
5/12/2020Evan LohCEOSell9,595$4.75$45,576.25552,008View SEC Filing Icon  
5/12/2020Michael BighamChairmanSell12,250$4.68$57,330.00542,167View SEC Filing Icon  
5/12/2020Randall B. BrennerInsiderSell6,198$4.75$29,440.50130,813View SEC Filing Icon  
5/12/2020William M HaskelVPSell4,666$4.75$22,163.50198,690View SEC Filing Icon  
12/12/2019Evan LohCEOSell14,514$3.10$44,993.40417,603View SEC Filing Icon  
12/12/2019Randall B. BrennerInsiderSell6,278$3.10$19,461.8092,011View SEC Filing Icon  
12/12/2019William M HaskelVPSell2,864$3.10$8,878.40158,356View SEC Filing Icon  
10/8/2019Adam WoodrowInsiderSell5,322$3.82$20,330.04217,694View SEC Filing Icon  
10/8/2019Evan LohCEOSell7,818$3.82$29,864.76439,935View SEC Filing Icon  
10/3/2019Evan LohCEOSell16,265$3.98$64,734.70413,935View SEC Filing Icon  
10/3/2019Randall B. BrennerInsiderSell7,674$3.98$30,542.5291,338View SEC Filing Icon  
See Full Table
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SEC Filings (Institutional Ownership Changes) for Paratek Pharmaceuticals (NASDAQ:PRTK)

59.46% of Paratek Pharmaceuticals stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at PRTK by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Paratek Pharmaceuticals Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/18/2022BNP Paribas Arbitrage SA40,924$0.12M0.0%-15.8%0.075%Search for SEC Filing on Google Icon
5/17/2022Worth Venture Partners LLC783,731$2.33M1.1%+40.7%1.439%Search for SEC Filing on Google Icon
5/17/2022Rock Springs Capital Management LP1,726,637$5.13M0.1%+1.7%3.169%Search for SEC Filing on Google Icon
5/16/2022Goldman Sachs Group Inc.259,942$0.77M0.0%+2.2%0.477%Search for SEC Filing on Google Icon
5/16/2022State Street Corp824,540$2.45M0.0%+7.2%1.514%Search for SEC Filing on Google Icon
5/16/2022J. Goldman & Co LP1,056,631$3.14M0.1%N/A1.940%Search for SEC Filing on Google Icon
5/13/2022Renaissance Technologies LLC173,424$0.52M0.0%+349.0%0.318%Search for SEC Filing on Google Icon
5/13/2022Northern Trust Corp449,337$1.34M0.0%-3.7%0.825%Search for SEC Filing on Google Icon
5/13/2022Charles Schwab Investment Management Inc.129,672$0.39M0.0%+5.7%0.238%Search for SEC Filing on Google Icon
5/13/2022XTX Topco Ltd35,324$0.11M0.0%+33.6%0.065%Search for SEC Filing on Google Icon
5/13/2022Vanguard Group Inc.2,278,878$6.77M0.0%+5.4%4.183%Search for SEC Filing on Google Icon
5/12/2022BlackRock Inc.2,940,513$8.73M0.0%-1.2%5.398%Search for SEC Filing on Google Icon
5/12/2022Rhumbline Advisers44,588$0.13M0.0%-14.5%0.082%Search for SEC Filing on Google Icon
5/12/2022AIGH Capital Management LLC3,139,714$9.33M2.3%+34.2%5.763%Search for SEC Filing on Google Icon
5/12/20221492 Capital Management LLC509,828$1.51M0.8%+3.8%0.936%Search for SEC Filing on Google Icon
5/11/2022JPMorgan Chase & Co.28,946$86K0.0%+28.9%0.053%Search for SEC Filing on Google Icon
5/11/2022GSA Capital Partners LLP79,448$0.24M0.0%+52.0%0.146%Search for SEC Filing on Google Icon
5/9/2022CM Management LLC350,000$1.04M0.9%+16.7%0.642%Search for SEC Filing on Google Icon
5/9/2022Principal Financial Group Inc.33,301$99K0.0%-33.7%0.061%Search for SEC Filing on Google Icon
5/5/2022New York State Common Retirement Fund32,513$97K0.0%-67.0%0.060%Search for SEC Filing on Google Icon
5/2/2022General American Investors Co. Inc.1,448,170$4.30M0.4%+10.8%2.658%Search for SEC Filing on Google Icon
5/2/2022National Asset Management Inc.46,200$0.14M0.0%+33.1%0.085%Search for SEC Filing on Google Icon
4/20/2022Perkins Capital Management Inc.49,700$0.15M0.1%-17.4%0.095%Search for SEC Filing on Google Icon
3/9/2022Norges Bank79,200$0.36M0.0%N/A0.162%Search for SEC Filing on Google Icon
2/23/2022Barclays PLC59,447$0.27M0.0%+204.4%0.122%Search for SEC Filing on Google Icon
2/23/2022BlackRock Inc.2,977,680$13.37M0.0%+2.1%6.102%Search for SEC Filing on Google Icon
2/19/2022Wells Fargo & Company MN232,202$1.04M0.0%-92.4%0.476%Search for SEC Filing on Google Icon
2/17/2022Goldman Sachs Group Inc.254,313$1.14M0.0%-6.7%0.521%Search for SEC Filing on Google Icon
2/16/2022The Manufacturers Life Insurance Company 28,236$0.13M0.0%+25.4%0.058%Search for SEC Filing on Google Icon
2/16/2022Deutsche Bank AG31,268$0.14M0.0%-98.4%0.064%Search for SEC Filing on Google Icon
2/15/2022Stifel Financial Corp43,773$0.20M0.0%-61.5%0.090%Search for SEC Filing on Google Icon
2/15/2022Cubist Systematic Strategies LLC12,526$56K0.0%N/A0.026%Search for SEC Filing on Google Icon
2/15/20221492 Capital Management LLC491,033$2.21M1.1%+0.6%1.006%Search for SEC Filing on Google Icon
2/14/2022D. E. Shaw & Co. Inc.28,413$0.13M0.0%-48.8%0.058%Search for SEC Filing on Google Icon
2/14/2022State Street Corp769,446$3.46M0.0%+1.5%1.577%Search for SEC Filing on Google Icon
2/14/2022LPL Financial LLC89,330$0.40M0.0%-13.7%0.183%Search for SEC Filing on Google Icon
2/14/2022Goldman Sachs Group Inc.254,313$1.14M0.0%-6.7%0.521%Search for SEC Filing on Google Icon
2/14/2022Nuveen Asset Management LLC132,749$0.56M0.0%-12.3%0.272%Search for SEC Filing on Google Icon
2/14/2022Barclays PLC59,447$0.27M0.0%+204.4%0.122%Search for SEC Filing on Google Icon
2/14/2022GSA Capital Partners LLP52,256$0.24M0.0%-34.2%0.107%Search for SEC Filing on Google Icon
2/14/2022Omega Fund Management LLC1,971,241$8.85M1.3%-24.4%4.040%Search for SEC Filing on Google Icon
2/11/2022Geode Capital Management LLC760,816$3.42M0.0%+9.1%1.559%Search for SEC Filing on Google Icon
2/11/2022Gamco Investors INC. ET AL49,000$0.22M0.0%+44.1%0.100%Search for SEC Filing on Google Icon
2/11/2022Renaissance Technologies LLC38,624$0.17M0.0%-80.8%0.079%Search for SEC Filing on Google Icon
2/11/2022Charles Schwab Investment Management Inc.122,653$0.55M0.0%+5.4%0.251%Search for SEC Filing on Google Icon
2/11/2022General American Investors Co. Inc.1,306,919$5.87M0.5%+17.5%2.678%Search for SEC Filing on Google Icon
2/10/2022Pictet Asset Management SA335,044$1.50M0.0%+88.3%0.687%Search for SEC Filing on Google Icon
2/10/2022Citigroup Inc.14,664$66K0.0%+70.7%0.030%Search for SEC Filing on Google Icon
2/10/2022Perkins Capital Management Inc.60,200$0.27M0.2%-21.0%0.123%Search for SEC Filing on Google Icon
2/10/2022Campbell & CO Investment Adviser LLC17,000$76K0.0%N/A0.035%Search for SEC Filing on Google Icon
2/10/2022AIGH Capital Management LLC2,339,107$10.50M3.2%+45.3%4.794%Search for SEC Filing on Google Icon
2/10/2022Weil Company Inc.33,235$0.15M0.1%-37.6%0.068%Search for SEC Filing on Google Icon
2/9/2022Principal Financial Group Inc.50,216$0.23M0.0%-9.8%0.103%Search for SEC Filing on Google Icon
2/9/2022BNP Paribas Arbitrage SA48,624$0.22M0.0%+510.3%0.100%Search for SEC Filing on Google Icon
2/9/2022Baird Financial Group Inc.44,625$0.20M0.0%-11.7%0.091%Search for SEC Filing on Google Icon
2/8/2022Bank of America Corp DE116,120$0.52M0.0%-25.0%0.238%Search for SEC Filing on Google Icon
2/7/2022SG Americas Securities LLC19,274$87K0.0%-39.3%0.039%Search for SEC Filing on Google Icon
2/2/2022New York State Common Retirement Fund98,413$0.44M0.0%-13.0%0.202%Search for SEC Filing on Google Icon
2/2/2022CM Management LLC300,000$1.35M1.0%+50.0%0.615%Search for SEC Filing on Google Icon
1/28/2022Allspring Global Investments Holdings LLC237,131$1.06M0.0%N/A0.486%Search for SEC Filing on Google Icon
1/28/2022National Asset Management Inc.34,700$0.16M0.0%-14.7%0.071%Search for SEC Filing on Google Icon
11/18/2021Bank of New York Mellon Corp140,159$0.68M0.0%+10.0%0.287%Search for SEC Filing on Google Icon
11/16/2021BNP Paribas Arbitrage SA7,967$39K0.0%+378.5%0.016%Search for SEC Filing on Google Icon
11/16/2021National Asset Management Inc.40,700$0.20M0.0%+42.3%0.083%Search for SEC Filing on Google Icon
11/16/2021Two Sigma Advisers LP355,400$1.73M0.0%-31.9%0.728%Search for SEC Filing on Google Icon
11/16/2021Two Sigma Investments LP11,687$57K0.0%-93.0%0.024%Search for SEC Filing on Google Icon
11/16/2021Telemetry Investments L.L.C.242,514$1.18M1.6%+44.8%0.497%Search for SEC Filing on Google Icon
11/16/2021LPL Financial LLC103,480$0.50M0.0%+11.6%0.212%Search for SEC Filing on Google Icon
11/16/2021Millennium Management LLC22,313$0.11M0.0%-91.1%0.046%Search for SEC Filing on Google Icon
11/15/2021California State Teachers Retirement System24,640$0.12M0.0%-61.0%0.050%Search for SEC Filing on Google Icon
11/15/2021Rock Springs Capital Management LP1,665,014$8.09M0.2%+0.6%3.412%Search for SEC Filing on Google Icon
11/15/2021Marshall Wace LLP111,547$0.54M0.0%-55.7%0.229%Search for SEC Filing on Google Icon
11/15/2021Morgan Stanley163,833$0.80M0.0%+9.5%0.336%Search for SEC Filing on Google Icon
11/15/2021Invesco Ltd.18,484$90K0.0%+27.2%0.038%Search for SEC Filing on Google Icon
11/15/2021HighVista Strategies LLC19,182$93K0.1%N/A0.039%Search for SEC Filing on Google Icon
11/15/2021Granahan Investment Management Inc. MA821,654$3.99M0.1%-1.5%1.684%Search for SEC Filing on Google Icon
11/15/2021GSA Capital Partners LLP79,436$0.39M0.0%+360.7%0.163%Search for SEC Filing on Google Icon
11/12/2021Trexquant Investment LP32,867$0.16M0.0%N/A0.067%Search for SEC Filing on Google Icon
11/12/2021Renaissance Technologies LLC201,624$0.98M0.0%-52.9%0.413%Search for SEC Filing on Google Icon
11/12/2021Gamco Investors INC. ET AL34,000$0.17M0.0%N/A0.070%Search for SEC Filing on Google Icon
11/12/20211492 Capital Management LLC488,309$2.37M1.2%+284.5%1.001%Search for SEC Filing on Google Icon
11/12/2021The Manufacturers Life Insurance Company22,520$0.11M0.0%-23.6%0.046%Search for SEC Filing on Google Icon
11/12/2021Geode Capital Management LLC697,621$3.39M0.0%-3.7%1.430%Search for SEC Filing on Google Icon
11/12/2021AIGH Capital Management LLC1,609,398$7.82M1.6%+74.4%3.298%Search for SEC Filing on Google Icon
11/10/2021Goldman Sachs Group Inc.272,439$1.32M0.0%+7.0%0.558%Search for SEC Filing on Google Icon
11/9/2021Barclays PLC19,528$94K0.0%+212.1%0.040%Search for SEC Filing on Google Icon
11/9/2021BlackRock Inc.2,917,140$14.18M0.0%+0.7%5.978%Search for SEC Filing on Google Icon
11/9/2021Principal Financial Group Inc.55,658$0.27M0.0%-44.4%0.114%Search for SEC Filing on Google Icon
11/8/2021Summit Global Investments18,600$90K0.0%N/A0.038%Search for SEC Filing on Google Icon
11/8/2021CM Management LLC200,000$0.97M0.7%+14.3%0.410%Search for SEC Filing on Google Icon
11/5/2021Advisor Group Holdings Inc.11,310$54K0.0%-16.2%0.023%Search for SEC Filing on Google Icon
11/1/2021General American Investors Co. Inc.1,112,658$5.41M0.5%+6.9%2.280%Search for SEC Filing on Google Icon
11/1/2021SG Americas Securities LLC31,745$0.15M0.0%N/A0.065%Search for SEC Filing on Google Icon
10/26/2021Trellus Management Company LLC295,000$1.43M1.0%+3.7%0.605%Search for SEC Filing on Google Icon
10/25/2021Jaffetilchin Investment Partners LLC12,675$62K0.0%-50.0%0.026%Search for SEC Filing on Google Icon
8/25/2021Marshall Wace LLP251,598$1.72M0.0%N/A0.516%Search for SEC Filing on Google Icon
8/23/2021Morgan Stanley149,659$1.02M0.0%-36.8%0.307%Search for SEC Filing on Google Icon
8/17/2021Walleye Capital LLC40,718$0.28M0.0%N/A0.083%Search for SEC Filing on Google Icon
8/17/2021Walleye Trading LLC13,573$93K0.0%N/A0.028%Search for SEC Filing on Google Icon
8/17/2021Worth Venture Partners LLC231,372$1.58M0.6%+21.1%0.474%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Paratek Pharmaceuticals logo
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.
Read More on Paratek Pharmaceuticals

Today's Range

Now: $2.01
Low: $1.95
High: $2.01

50 Day Range

MA: $2.60
Low: $1.83
High: $3.48

52 Week Range

Now: $2.01
Low: $1.79
High: $11.23

Volume

4,493 shs

Average Volume

558,569 shs

Market Capitalization

$109.50 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.57

Who are the company insiders with the largest holdings of Paratek Pharmaceuticals?

Paratek Pharmaceuticals' top insider shareholders include:
  1. Evan Loh (CEO)
  2. Michael Bigham (Chairman)
  3. Randall B Brenner (Insider)
  4. Adam Woodrow (Insider)
  5. William M Haskel (General Counsel)
  6. Randall B Brenner (VP)
Learn More about top insider investors at Paratek Pharmaceuticals.

Who are the major institutional investors of Paratek Pharmaceuticals?

Paratek Pharmaceuticals' top institutional investors include:
  1. AIGH Capital Management LLC — 5.76%
  2. BlackRock Inc. — 5.40%
  3. Vanguard Group Inc. — 4.18%
  4. Rock Springs Capital Management LP — 3.17%
  5. General American Investors Co. Inc. — 2.66%
  6. J. Goldman & Co LP — 1.94%
Learn More about top institutional investors of Paratek Pharmaceuticals stock.

Which institutional investors are selling Paratek Pharmaceuticals stock?

During the last quarter, PRTK stock was sold by these institutional investors:
  1. New York State Common Retirement Fund
  2. BlackRock Inc.
  3. Northern Trust Corp
  4. Principal Financial Group Inc.
  5. Perkins Capital Management Inc.
  6. BNP Paribas Arbitrage SA
  7. Rhumbline Advisers
  8. Group One Trading L.P.
In the previous year, company insiders that have sold Paratek Pharmaceuticals company stock include:
  1. Evan Loh (CEO)
  2. Michael Bigham (Chairman)
  3. Randall B Brenner (Insider)
  4. Adam Woodrow (Insider)
  5. William M Haskel (General Counsel)
  6. Randall B Brenner (VP)
Learn More investors selling Paratek Pharmaceuticals stock.

Which institutional investors are buying Paratek Pharmaceuticals stock?

During the last quarter, PRTK stock was acquired by institutional investors including:
  1. J. Goldman & Co LP
  2. AIGH Capital Management LLC
  3. Worth Venture Partners LLC
  4. General American Investors Co. Inc.
  5. Renaissance Technologies LLC
  6. Vanguard Group Inc.
  7. State Street Corp
  8. CM Management LLC
High Arch Potential Stock
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