Spero Therapeutics
Insider trading & Transactions

Last updated:

Transaction Date Insider Security Shares Price per share Total value Source
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 Par Value 34,144 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 Par Value 29,354 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 Par Value 22,841 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 Par Value 13,661 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 par value 250,000 N/A N/A
Sale
LARKIN CRISTINA officer: Chief Operating Officer
 Common Stock 12,000 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 par value 14,933 N/A N/A
Option
LARKIN CRISTINA officer: Chief Operating Officer
 Stock Option (Right to Buy) 12,000 N/A N/A
Option
LARKIN CRISTINA officer: Chief Operating Officer
 Common Stock 12,000 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 par value 125,900 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 par value 5,000 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 par value 96,600 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 7,370 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 7,370 N/A N/A
Sale
AQUILO CAPITAL MANAGEMENT, LLC 10 percent owner
 Common Stock, $0.001 par value 72,500 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 7,370 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,137 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 2,137 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,137 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 20 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 20 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 20 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 105 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 105 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 105 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 14,367 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 14,367 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 14,367 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 774 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 774 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 774 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 2,293 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,293 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,293 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 754 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 754 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 754 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 2,642 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,642 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,642 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 3,880 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 3,880 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 3,880 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 8,045 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 8,045 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 8,045 N/A N/A
Sale
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,613 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Common Stock 2,613 N/A N/A
Option
MAHADEVIA ANKIT director, officer: See Remarks
 Stock Option (Right to Buy) 2,613 N/A N/A
Purchase
GLAXOSMITHKLINE PLC 10 percent owner
 Common Stock 80,000 N/A N/A

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Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.

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