Insider Trading - Larkin Cristina

Real time insider trading transaction history:

  1. Insiders must file a Form 4 covering their trades within two business days.
  2. Section 16 prohibits insiders from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
    "Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
    - Peter Lynch
    What is insider trading>>
    Time period:
    Insider Trading Transactions for Larkin Cristina

    Common stock purchase or sale:
    Transaction
    Date    		 Reported
    DateTime    		 Company Symbol Insider
    Relationship    		 Shares
    Traded    		 Average
    Price    		 Total
    Amount    		 Shares
    Owned    		 Filing
    2017-11-06
    Purchase    		 2017-11-07
    4:05 pm    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 1,500 $14 $21,000 1,500
    (Direct)    		 View
    2018-07-05
    Sale    		 2018-07-06
    9:45 pm    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 4,000 $17.5 $70,000 1,500
    (Direct)    		 View
    2020-12-16
    Sale    		 2020-12-18
    4:15 pm    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 12,000 $19 $228,000 1,500
    (Direct)    		 View

    Stock options: Exercise, Award, Grant, Conversion
    Transaction
    Date    		 Reported
    DateTime    		 Exercisable
    Expiration    		 Company Symnbol Insider
    Relationship    		 Shares
    Traded    		 Conversion
    Price    		 Shares
    Owned    		 Filing
    2017-12-13
    Option Award    		 2017-12-15
    4:07 pm    		 N/A
    2027-12-12    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 62,540 $0 62,540
    (Direct)    		 View
    2018-07-05
    Exercise    		 2018-07-06
    9:45 pm    		 N/A
    N/A    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 4,000 $5.9 5,500
    (Direct)    		 View
    2018-07-05
    Exercise    		 2018-07-06
    9:45 pm    		 N/A
    2027-07-05    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 4,000 $0 20,434
    (Direct)    		 View
    2019-01-02
    Option Award    		 2019-01-02
    7:18 pm    		 N/A
    2029-01-02    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 65,000 $0 65,000
    (Direct)    		 View
    2020-02-03
    Option Award    		 2020-02-03
    5:32 pm    		 N/A
    2030-02-03    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 55,000 $0 55,000
    (Direct)    		 View
    2020-12-16
    Exercise    		 2020-12-18
    4:15 pm    		 N/A
    N/A    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 12,000 $5.9 13,500
    (Direct)    		 View
    2020-12-16
    Exercise    		 2020-12-18
    4:15 pm    		 N/A
    2027-07-05    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 12,000 $0 8,434
    (Direct)    		 View
    2021-02-01
    Option Award    		 2021-02-03
    7:47 pm    		 N/A
    2031-02-01    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 57,432 $0 57,432
    (Direct)    		 View
    2021-08-26
    Option Award    		 2021-08-30
    4:15 pm    		 N/A
    N/A    		 Spero Therapeutics Inc. SPRO Larkin Cristina
    COO    		 24,067 $0 25,567
    (Direct)    		 View