BIGHAM MICHAEL - Insider Non-Derivative Transactions at Paratek Pharmaceuticals, Inc. (PRTK) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Sep 21, 2023, BIGHAM MICHAEL's relationship to Paratek Pharmaceuticals, Inc. (PRTK) is Director,Officer (Exec. Chairman of the Board), and currently has 228,750 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other PRTK insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

BIGHAM MICHAEL - Insider Non-Derivative Transactions of PRTK Common Stock

BIGHAM MICHAEL - Insider Non-Derivative Transactions at PRTK

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Sep 22, 2023	Disposition -- (Common Stock)	228750	0	0
Sep 22, 2023	Disposition -- (Common Stock)	1129282	0	228750
Aug 10, 2023	Sell -- (Common Stock)	31250	2.2	1334702
Aug 9, 2023	Acquisition -- (Common Stock)	156250	0	1365952
Feb 3, 2018	M -- (Common Stock)	23255	4.3	1358032