PRTK Insider Trading

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Notice: This stock is marked as potentially delisted. It may not be actively trading.

Insider Ownership Percentage: 8.00%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $0.00

Paratek Pharmaceuticals Insider Trading History Chart

Paratek Pharmaceuticals Share Price & Price History

^$2.23

+0.30 (1.20%)

As of 09/21/2023 01:00 AM ET

Paratek Pharmaceuticals Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/9/2023	Evan Loh	CEO	Sell	48,967	$2.20	$107,727.40	1,327,981
8/9/2023	Michael Bigham	Chairman	Sell	31,250	$2.20	$68,750.00	1,334,702
8/9/2023	Randall B. Brenner	Insider	Sell	27,603	$2.20	$60,726.60	415,209
8/9/2023	William M Haskel	General Counsel	Sell	34,526	$2.20	$75,957.20	447,024
3/22/2023	James D Dondero	Major Shareholder	Buy	106,000	$1.77	$187,620.00	2,056,000
3/20/2023	James D Dondero	Major Shareholder	Buy	105,137	$1.40	$147,191.80	2,239,770
3/17/2023	James D Dondero	Major Shareholder	Buy	234,863	$1.50	$352,294.50	2,134,663
2/21/2023	Jeffrey Stein	Director	Sell	7,000	$1.90	$13,300.00	68,625
12/21/2022	Adam Woodrow	Insider	Sell	6,750	$1.99	$13,432.50	651,284
12/21/2022	Evan Loh	CEO	Sell	23,489	$1.99	$46,743.11	1,208,198
12/21/2022	Michael Bigham	Chairman	Sell	15,750	$1.99	$31,342.50	1,209,702
12/21/2022	William M Haskel	General Counsel	Sell	7,007	$1.99	$13,943.93	407,800
12/12/2022	Adam Woodrow	Insider	Sell	3,820	$1.98	$7,563.60	641,787
12/12/2022	Evan Loh	CEO	Sell	37,831	$1.98	$74,905.38	1,241,106
12/12/2022	Michael Bigham	Chairman	Sell	19,484	$1.98	$38,578.32	1,212,343
12/12/2022	William M Haskel	General Counsel	Sell	14,410	$1.98	$28,531.80	423,391

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

53.60% 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

Paratek Pharmaceuticals Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/14/2023	Hunting Hill Global Capital LLC	361,226	$0.80M	0.3%	N/A	0.630%
8/11/2023	Natixis	491,724	$1.09M	0.0%	N/A	0.858%
8/11/2023	Covestor Ltd	11,184	$25K	0.0%	N/A	0.020%
8/11/2023	Deuterium Capital Management LLC	55,136	$0.12M	0.2%	N/A	0.096%
8/10/2023	Teton Advisors Inc.	25,000	$55K	0.0%	-25.8%	0.044%
8/10/2023	Gabelli Funds LLC	369,860	$0.82M	0.0%	-52.9%	0.645%
8/10/2023	GABELLI & Co INVESTMENT ADVISERS INC.	306,950	$0.68M	0.1%	N/A	0.536%
8/4/2023	CM Management LLC	250,000	$0.55M	0.5%	-44.4%	0.436%
8/3/2023	General American Investors Co. Inc.	1,839,424	$4.07M	0.4%	-3.9%	3.211%
8/3/2023	Fifth Lane Capital LP	261,781	$0.58M	0.2%	N/A	0.457%
7/21/2023	Perkins Capital Management Inc.	13,700	$30K	0.0%	-70.0%	0.024%
7/18/2023	Deltec Asset Management LLC	70,468	$0.16M	0.0%	N/A	0.123%
5/15/2023	AIGH Capital Management LLC	2,674,812	$6.79M	2.5%	-35.7%	4.670%
5/11/2023	Acadian Asset Management LLC	139,386	$0.35M	0.0%	-43.5%	0.243%
5/9/2023	Cutter & CO Brokerage Inc.	10,900	$28K	0.0%	N/A	0.019%
5/8/2023	CM Management LLC	450,000	$1.14M	1.4%	+30.4%	0.786%
5/5/2023	Carlyle Group Inc.	1,041,131	$2.62M	0.1%	N/A	1.818%
5/2/2023	General American Investors Co. Inc.	1,914,424	$4.86M	0.5%	+1.6%	3.343%
5/1/2023	Virtu Financial LLC	18,192	$46K	0.0%	N/A	0.032%
5/1/2023	Arete Wealth Advisors LLC	14,050	$35.69B	0.0%	N/A	0.025%
4/20/2023	Trellus Management Company LLC	127,000	$0.32M	0.4%	-56.9%	0.222%
4/18/2023	Assenagon Asset Management S.A.	368,240	$0.94M	0.0%	+180.5%	0.643%
4/18/2023	ETF Managers Group LLC	18,339	$47K	0.0%	+32.4%	0.032%
3/15/2023	B. Riley Wealth Advisors Inc.	30,000	$56K	0.0%	-35.1%	0.054%
2/16/2023	AIGH Capital Management LLC	4,156,891	$7.77M	2.6%	+6.9%	7.483%
2/13/2023	Teton Advisors Inc.	34,500	$65K	0.0%	-92.2%	0.062%
2/13/2023	General American Investors Co. Inc.	1,884,393	$3.52M	0.3%	-1.7%	3.392%
2/9/2023	CM Management LLC	345,000	$0.65M	0.8%	-13.8%	0.621%
2/7/2023	Commonwealth Equity Services LLC	17,000	$31K	0.0%	N/A	0.031%
2/6/2023	Arete Wealth Advisors LLC	14,050	$26.27B	0.0%	N/A	0.025%
1/24/2023	Kathmere Capital Management LLC	30,000	$56K	0.0%	N/A	0.054%
1/12/2023	Assenagon Asset Management S.A.	131,264	$0.25M	0.0%	-38.8%	0.236%
11/17/2022	Telemetry Investments L.L.C.	345,000	$0.89M	1.1%	-30.3%	0.621%
11/14/2022	Ergoteles LLC	108,913	$0.28M	0.0%	-52.3%	0.196%
11/4/2022	CM Management LLC	400,000	$1.03M	1.1%	+14.3%	0.729%
10/31/2022	General American Investors Co. Inc.	1,916,099	$4.92M	0.5%	+9.3%	3.493%
10/27/2022	Prospera Financial Services Inc	11,465	$29K	0.0%	+156.8%	0.021%
10/27/2022	Assenagon Asset Management S.A.	214,405	$0.55M	0.0%	+128.1%	0.391%
8/10/2022	1492 Capital Management LLC	489,376	$0.94M	0.6%	-4.0%	0.892%
8/9/2022	Pictet Asset Management SA	481,827	$0.93M	0.0%	+13.0%	0.878%
8/8/2022	Y Intercept Hong Kong Ltd	18,613	$36K	0.0%	N/A	0.034%
8/5/2022	General American Investors Co. Inc.	1,752,470	$3.38M	0.3%	+21.0%	3.217%
7/29/2022	SG Americas Securities LLC	13,419	$26K	0.0%	N/A	0.025%
7/27/2022	Assenagon Asset Management S.A.	94,012	$0.18M	0.0%	N/A	0.173%
6/21/2022	Kalos Management Inc.	14,550	$43K	0.0%	N/A	0.027%
5/17/2022	Rock Springs Capital Management LP	1,726,637	$5.13M	0.1%	+1.7%	3.169%
5/16/2022	J. Goldman & Co LP	1,056,631	$3.14M	0.1%	N/A	1.940%
5/12/2022	AIGH Capital Management LLC	3,139,714	$9.33M	2.3%	+34.2%	5.763%
5/12/2022	1492 Capital Management LLC	509,828	$1.51M	0.8%	+3.8%	0.936%
5/11/2022	GSA Capital Partners LLP	79,448	$0.24M	0.0%	+52.0%	0.146%
5/9/2022	CM Management LLC	350,000	$1.04M	0.9%	+16.7%	0.642%
5/5/2022	New York State Common Retirement Fund	32,513	$97K	0.0%	-67.0%	0.060%
5/2/2022	General American Investors Co. Inc.	1,448,170	$4.30M	0.4%	+10.8%	2.658%
5/2/2022	National Asset Management Inc.	46,200	$0.14M	0.0%	+33.1%	0.085%
4/20/2022	Perkins Capital Management Inc.	49,700	$0.15M	0.1%	-17.4%	0.095%
2/15/2022	1492 Capital Management LLC	491,033	$2.21M	1.1%	+0.6%	1.006%
2/14/2022	GSA Capital Partners LLP	52,256	$0.24M	0.0%	-34.2%	0.107%
2/14/2022	Omega Fund Management LLC	1,971,241	$8.85M	1.3%	-24.4%	4.040%
2/11/2022	Gamco Investors INC. ET AL	49,000	$0.22M	0.0%	+44.1%	0.100%
2/11/2022	General American Investors Co. Inc.	1,306,919	$5.87M	0.5%	+17.5%	2.678%
2/10/2022	Pictet Asset Management SA	335,044	$1.50M	0.0%	+88.3%	0.687%
2/10/2022	Perkins Capital Management Inc.	60,200	$0.27M	0.2%	-21.0%	0.123%
2/10/2022	Campbell & CO Investment Adviser LLC	17,000	$76K	0.0%	N/A	0.035%
2/10/2022	AIGH Capital Management LLC	2,339,107	$10.50M	3.2%	+45.3%	4.794%
2/10/2022	Weil Company Inc.	33,235	$0.15M	0.1%	-37.6%	0.068%
2/9/2022	Principal Financial Group Inc.	50,216	$0.23M	0.0%	-9.8%	0.103%
2/9/2022	BNP Paribas Arbitrage SA	48,624	$0.22M	0.0%	+510.3%	0.100%
2/9/2022	Baird Financial Group Inc.	44,625	$0.20M	0.0%	-11.7%	0.091%
2/7/2022	SG Americas Securities LLC	19,274	$87K	0.0%	-39.3%	0.039%
2/2/2022	New York State Common Retirement Fund	98,413	$0.44M	0.0%	-13.0%	0.202%
2/2/2022	CM Management LLC	300,000	$1.35M	1.0%	+50.0%	0.615%
1/28/2022	Allspring Global Investments Holdings LLC	237,131	$1.06M	0.0%	N/A	0.486%
1/28/2022	National Asset Management Inc.	34,700	$0.16M	0.0%	-14.7%	0.071%
11/16/2021	National Asset Management Inc.	40,700	$0.20M	0.0%	+42.3%	0.083%
11/16/2021	Two Sigma Advisers LP	355,400	$1.73M	0.0%	-31.9%	0.728%
11/16/2021	Telemetry Investments L.L.C.	242,514	$1.18M	1.6%	+44.8%	0.497%
11/15/2021	Rock Springs Capital Management LP	1,665,014	$8.09M	0.2%	+0.6%	3.412%
11/15/2021	Marshall Wace LLP	111,547	$0.54M	0.0%	-55.7%	0.229%
11/15/2021	HighVista Strategies LLC	19,182	$93K	0.1%	N/A	0.039%
11/15/2021	Granahan Investment Management Inc. MA	821,654	$3.99M	0.1%	-1.5%	1.684%
11/15/2021	GSA Capital Partners LLP	79,436	$0.39M	0.0%	+360.7%	0.163%
11/12/2021	Trexquant Investment LP	32,867	$0.16M	0.0%	N/A	0.067%
11/12/2021	Renaissance Technologies LLC	201,624	$0.98M	0.0%	-52.9%	0.413%
11/12/2021	Gamco Investors INC. ET AL	34,000	$0.17M	0.0%	N/A	0.070%
11/12/2021	1492 Capital Management LLC	488,309	$2.37M	1.2%	+284.5%	1.001%
11/12/2021	The Manufacturers Life Insurance Company	22,520	$0.11M	0.0%	-23.6%	0.046%
11/12/2021	Geode Capital Management LLC	697,621	$3.39M	0.0%	-3.7%	1.430%
11/12/2021	AIGH Capital Management LLC	1,609,398	$7.82M	1.6%	+74.4%	3.298%
11/10/2021	Goldman Sachs Group Inc.	272,439	$1.32M	0.0%	+7.0%	0.558%
11/9/2021	Barclays PLC	19,528	$94K	0.0%	+212.1%	0.040%
11/9/2021	BlackRock Inc.	2,917,140	$14.18M	0.0%	+0.7%	5.978%
11/9/2021	Principal Financial Group Inc.	55,658	$0.27M	0.0%	-44.4%	0.114%
11/8/2021	Summit Global Investments	18,600	$90K	0.0%	N/A	0.038%
11/8/2021	CM Management LLC	200,000	$0.97M	0.7%	+14.3%	0.410%
11/5/2021	Advisor Group Holdings Inc.	11,310	$54K	0.0%	-16.2%	0.023%
11/1/2021	General American Investors Co. Inc.	1,112,658	$5.41M	0.5%	+6.9%	2.280%
11/1/2021	SG Americas Securities LLC	31,745	$0.15M	0.0%	N/A	0.065%
10/26/2021	Trellus Management Company LLC	295,000	$1.43M	1.0%	+3.7%	0.605%
10/25/2021	Jaffetilchin Investment Partners LLC	12,675	$62K	0.0%	-50.0%	0.026%
8/17/2021	Millennium Management LLC	249,785	$1.70M	0.0%	N/A	0.512%

Data available starting January 2016

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 products include NUZYRA, a once-daily oral and intravenous broad-spectrum antibiotic for the treatment of adult patients with community-acquired bacterial pneumonia, and acute skin and skin structure infections caused by susceptible pathogens; and SEYSARA, a once-daily oral therapy 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. It also 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. The company was founded in 1996 and is headquartered in Boston, Massachusetts.

Today's Range

Now: $2.23

$2.23

50 Day Range

MA: $2.22

$2.17

$2.23

52 Week Range

Now: $2.23

$1.29

$3.65

Volume

N/A

Average Volume

724,253 shs

Market Capitalization

$127.82 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.7