PRTK Insider Trading

Insider Ownership Percentage: 8.00%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $643,930.86

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: $2.12
Price Change: Price Decrease of -0.03 (-1.40%)
As of 02/7/2023 05:19 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

Paratek Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/21/2022Adam WoodrowInsiderSell6,750$1.99$13,432.50651,284View SEC Filing Icon  
12/21/2022Evan LohCEOSell23,489$1.99$46,743.111,208,198View SEC Filing Icon  
12/21/2022Michael BighamChairmanSell15,750$1.99$31,342.501,209,702View SEC Filing Icon  
12/21/2022William M HaskelGeneral CounselSell7,007$1.99$13,943.93407,800View SEC Filing Icon  
12/12/2022Adam WoodrowInsiderSell3,820$1.98$7,563.60641,787View SEC Filing Icon  
12/12/2022Evan LohCEOSell37,831$1.98$74,905.381,241,106View SEC Filing Icon  
12/12/2022Michael BighamChairmanSell19,484$1.98$38,578.321,212,343View SEC Filing Icon  
12/12/2022William M HaskelGeneral CounselSell14,410$1.98$28,531.80423,391View SEC Filing Icon  
10/28/2022Adam WoodrowInsiderSell4,563$3.47$15,833.61645,607View SEC Filing Icon  
10/28/2022Evan LohCEOSell8,805$3.47$30,553.351,278,937View SEC Filing Icon  
10/28/2022Michael BighamChairmanSell6,000$3.47$20,820.001,231,827View SEC Filing Icon  
10/28/2022William M HaskelGeneral CounselSell4,382$3.47$15,205.54437,801View SEC Filing Icon  
8/9/2022Evan LohCEOSell44,519$2.66$118,420.541,257,742View SEC Filing Icon  
8/9/2022Michael BighamChairmanSell28,637$2.66$76,174.421,207,827View SEC Filing Icon  
8/9/2022Randall B. BrennerInsiderSell19,608$2.66$52,157.28349,149View SEC Filing Icon  
8/9/2022William M HaskelGeneral CounselSell22,453$2.66$59,724.98432,933View SEC Filing Icon  
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  
See Full Table

SEC Filings (Institutional Ownership Changes) for Paratek Pharmaceuticals (NASDAQ:PRTK)

41.90% 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
2/7/2023Commonwealth Equity Services LLC17,000$31K0.0%N/A0.031%Search for SEC Filing on Google Icon
2/6/2023Arete Wealth Advisors LLC14,050$26.27B0.0%N/A0.025%Search for SEC Filing on Google Icon
1/24/2023Kathmere Capital Management LLC30,000$56K0.0%N/A0.054%Search for SEC Filing on Google Icon
1/12/2023Assenagon Asset Management S.A.131,264$0.25M0.0%-38.8%0.236%Search for SEC Filing on Google Icon
11/17/2022Telemetry Investments L.L.C.345,000$0.89M1.1%-30.3%0.621%Search for SEC Filing on Google Icon
11/16/2022Baird Financial Group Inc.49,070$0.13M0.0%+12.8%0.088%Search for SEC Filing on Google Icon
11/16/2022Jane Street Group LLC14,020$36K0.0%N/A0.025%Search for SEC Filing on Google Icon
11/16/2022BNP Paribas Arbitrage SNC24,536$63K0.0%-22.1%0.044%Search for SEC Filing on Google Icon
11/15/2022State Street Corp208,110$0.54M0.0%-3.4%0.375%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Advisers LP441,500$1.14M0.0%+178.0%0.795%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Investments LP303,366$0.78M0.0%+221.2%0.546%Search for SEC Filing on Google Icon
11/15/2022Vanguard Group Inc.2,174,625$5.59M0.0%+7.7%3.915%Search for SEC Filing on Google Icon
11/15/2022BlackRock Inc.1,203,446$3.09M0.0%+38.5%2.166%Search for SEC Filing on Google Icon
11/14/2022Renaissance Technologies LLC228,824$0.59M0.0%-22.9%0.412%Search for SEC Filing on Google Icon
11/14/2022Ergoteles LLC108,913$0.28M0.0%-52.3%0.196%Search for SEC Filing on Google Icon
11/4/2022CM Management LLC400,000$1.03M1.1%+14.3%0.729%Search for SEC Filing on Google Icon
10/31/2022General American Investors Co. Inc.1,916,099$4.92M0.5%+9.3%3.493%Search for SEC Filing on Google Icon
10/27/2022Prospera Financial Services Inc11,465$29K0.0%+156.8%0.021%Search for SEC Filing on Google Icon
10/27/2022Assenagon Asset Management S.A.214,405$0.55M0.0%+128.1%0.391%Search for SEC Filing on Google Icon
8/22/2022ExodusPoint Capital Management LP16,852$33K0.0%N/A0.031%Search for SEC Filing on Google Icon
8/18/2022Goldman Sachs Group Inc.91,948$0.18M0.0%-64.6%0.168%Search for SEC Filing on Google Icon
8/15/2022State Street Corp215,510$0.42M0.0%-73.9%0.393%Search for SEC Filing on Google Icon
8/15/2022Millennium Management LLC504,221$0.97M0.0%+218.8%0.919%Search for SEC Filing on Google Icon
8/13/2022Renaissance Technologies LLC296,676$0.57M0.0%+71.1%0.541%Search for SEC Filing on Google Icon
8/12/2022Northern Trust Corp107,717$0.21M0.0%-76.0%0.196%Search for SEC Filing on Google Icon
8/12/2022BNP Paribas Arbitrage SA31,480$61K0.0%-23.1%0.057%Search for SEC Filing on Google Icon
8/10/20221492 Capital Management LLC489,376$0.94M0.6%-4.0%0.892%Search for SEC Filing on Google Icon
8/10/2022Principal Financial Group Inc.26,912$52K0.0%-19.2%0.049%Search for SEC Filing on Google Icon
8/9/2022Pictet Asset Management SA481,827$0.93M0.0%+13.0%0.878%Search for SEC Filing on Google Icon
8/8/2022Y Intercept Hong Kong Ltd18,613$36K0.0%N/A0.034%Search for SEC Filing on Google Icon
8/5/2022General American Investors Co. Inc.1,752,470$3.38M0.3%+21.0%3.217%Search for SEC Filing on Google Icon
7/29/2022SG Americas Securities LLC13,419$26K0.0%N/A0.025%Search for SEC Filing on Google Icon
7/27/2022Assenagon Asset Management S.A.94,012$0.18M0.0%N/A0.173%Search for SEC Filing on Google Icon
6/21/2022Kalos Management Inc.14,550$43K0.0%N/A0.027%Search for SEC Filing on Google Icon
6/7/2022Bank of America Corp DE143,369$0.43M0.0%+23.5%0.263%Search for SEC Filing on Google Icon
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
2/15/20221492 Capital Management LLC491,033$2.21M1.1%+0.6%1.006%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
2/11/2022Gamco Investors INC. ET AL49,000$0.22M0.0%+44.1%0.100%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
2/10/2022Perkins 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
2/7/2022SG 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
11/16/2021National 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
11/16/2021Telemetry Investments L.L.C.242,514$1.18M1.6%+44.8%0.497%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
11/15/2021HighVista 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
Data available starting January 2016

See Full Table
Paratek Pharmaceuticals logo
Paratek Pharmaceuticals, Inc. engages in the development and commercialization of therapies based upon tetracycline chemistry. Its products include omadacycline and sarecycline, which are used for the treatment of community-acquired bacterial infections, including community-acquired bacterial pneumonia, acute bacterial skin and skin structure infections and urinary tract infections. The company was founded by Walter Gilbert and Stuart B. Levy in 1996 and is headquartered in Boston, MA.
Read More on Paratek Pharmaceuticals

Today's Range

Now: $2.12
Low: $2.10
High: $2.18

50 Day Range

MA: $2.06
Low: $1.67
High: $2.42

52 Week Range

Now: $2.12
Low: $1.60
High: $4.25

Volume

120,455 shs

Average Volume

280,514 shs

Market Capitalization

$117.77 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.51

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. Adam Woodrow (Insider)
  4. Randall B Brenner (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. Assenagon Asset Management S.A. — 0.24%
  2. Kathmere Capital Management LLC — 0.05%
  3. Commonwealth Equity Services LLC — 0.03%
  4. Arete Wealth Advisors LLC — 0.03%
  5. Simplex Trading LLC — 0.00%
  6. Concourse Financial Group Securities Inc. — 0.00%
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. Assenagon Asset Management S.A.
  2. Simplex Trading LLC
In the previous year, company insiders that have sold Paratek Pharmaceuticals company stock include:
  1. Evan Loh (CEO)
  2. Michael Bigham (Chairman)
  3. Adam Woodrow (Insider)
  4. Randall B Brenner (Insider)
  5. William M Haskel (General Counsel)
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. Kathmere Capital Management LLC
  2. Commonwealth Equity Services LLC
  3. Arete Wealth Advisors LLC