Spero Therapeutics Inc. (SPRO) NASDAQ
$1.63 0.01 (0.62%)
Market Cap: $87.31M
As of 05/16/24 12:57 PM EDT. Market open.
Spero Therapeutics Inc. (SPRO)
NASDAQ
$1.63
0.01 (0.62%)
Market Cap: $87.31M
As of 05/16/24 12:57 PM EDT. Market open.
spero therapeutics is focused on the development of novel therapies to treat highly resistant bacterial infections. the culture at spero is one of respect, action, collaboration and transparency. spero team members are leaders in the field, and have the ability and desire to be a part of a team. at spero, a feeling that we are part of something groundbreaking and innovative fuels our ... read more
Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
Keutzer Timothy | Chief Operating Officer | Feb 02, 2024 | Sale | $1.36 | 30,971 | 42,121 | 534,050 | Feb 05, 2024, 08:53 PM |
Mahadevia Ankit | Director | Feb 02, 2024 | Sale | $1.37 | 63,795 | 87,399 | 744,997 | Feb 05, 2024, 08:50 PM |
JOSEPH TAMARA L | Chief Legal Officer | Feb 02, 2024 | Sale | $1.37 | 30,906 | 42,341 | 531,615 | Feb 05, 2024, 08:48 PM |
HAMED KAMAL | Chief Medical Officer | Feb 02, 2024 | Sale | $1.37 | 28,075 | 38,463 | 788,117 | Feb 05, 2024, 08:45 PM |
Shukla Sath | CEO and President | Feb 05, 2024 | Sale | $1.45 | 45,093 | 65,385 | 1,176,007 | Feb 05, 2024, 08:40 PM |
Shukla Sath | CEO and President | Feb 02, 2024 | Sale | $1.37 | 30,901 | 42,334 | 1,221,100 | Feb 05, 2024, 08:40 PM |
HAMED KAMAL | Chief Medical Officer | Sep 13, 2023 | Sale | $1.27 | 39,496 | 50,160 | 576,461 | Sep 15, 2023, 05:47 PM |
Keutzer Timothy | Chief Development Officer | Aug 28, 2023 | Sale | $1.26 | 1,854 | 2,336 | 325,290 | Aug 30, 2023, 04:23 PM |
JOSEPH TAMARA L | Chief Legal Officer | Aug 28, 2023 | Sale | $1.26 | 1,854 | 2,336 | 322,790 | Aug 30, 2023, 04:22 PM |
Mahadevia Ankit | Director | Aug 28, 2023 | Sale | $1.26 | 9,040 | 11,390 | 788,792 | Aug 30, 2023, 04:21 PM |
Shukla Sath | CEO and President | Aug 29, 2023 | Sale | $1.30 | 4,163 | 5,412 | 572,500 | Aug 30, 2023, 04:20 PM |
Shukla Sath | CEO and President | Aug 28, 2023 | Sale | $1.26 | 1,854 | 2,336 | 576,663 | Aug 30, 2023, 04:20 PM |
Mahadevia Ankit | CEO and President | Feb 03, 2023 | Sale | $1.81 | 12,286 | 22,238 | 797,832 | Feb 06, 2023, 04:15 PM |
Keutzer Timothy | Chief Operating Officer | Feb 02, 2023 | Sale | $1.86 | 3,394 | 6,313 | 327,144 | Feb 03, 2023, 07:43 PM |
JOSEPH TAMARA L | Chief Legal Officer | Feb 02, 2023 | Sale | $1.86 | 3,394 | 6,313 | 324,644 | Feb 03, 2023, 07:43 PM |
Shukla Sath | Chief Financial Officer | Feb 02, 2023 | Sale | $1.83 | 9,504 | 17,372 | 312,517 | Feb 03, 2023, 07:41 PM |
Aquilo Capital Management, LLC | 10% Owner | Sep 22, 2022 | Sale | $2.25 | 1,901,796 | 4,279,611 | 3,985,719 | Sep 26, 2022, 03:32 PM |
Shukla Sath | Chief Financial Officer | Aug 29, 2022 | Sale | $0.89 | 6,017 | 5,378 | 56,064 | Aug 30, 2022, 05:00 PM |
Aquilo Capital Management, LLC | 10% Owner | Apr 26, 2022 | Buy | $5.24 | 39,727 | 207,971 | 5,321,231 | Apr 28, 2022, 04:13 PM |
Aquilo Capital Management, LLC | 10% Owner | Mar 30, 2022 | Buy | $8.79 | 50,000 | 439,420 | 5,281,504 | Mar 31, 2022, 03:51 PM |
Aquilo Capital Management, LLC | 10% Owner | Mar 14, 2022 | Buy | $7.63 | 23,708 | 180,797 | 5,231,504 | Mar 16, 2022, 04:23 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 28, 2022 | Buy | $9.53 | 44,833 | 427,227 | 5,207,796 | Mar 02, 2022, 03:52 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 18, 2022 | Buy | $9.24 | 14,828 | 137,039 | 5,162,963 | Feb 23, 2022, 04:24 PM |
Aquilo Capital Management, LLC | 10% Owner | Jan 31, 2022 | Buy | $11.59 | 125,000 | 1,448,262 | 5,148,135 | Feb 01, 2022, 08:26 PM |
Aquilo Capital Management, LLC | 10% Owner | Jan 24, 2022 | Buy | $10.89 | 1,599 | 17,418 | 5,023,135 | Jan 26, 2022, 05:12 PM |
Aquilo Capital Management, LLC | 10% Owner | Jan 18, 2022 | Buy | $12.41 | 48,488 | 601,964 | 5,021,536 | Jan 20, 2022, 01:07 PM |
Aquilo Capital Management, LLC | 10% Owner | Jan 10, 2022 | Buy | $12.93 | 8,867 | 114,609 | 4,973,048 | Jan 12, 2022, 04:43 PM |
Aquilo Capital Management, LLC | 10% Owner | Dec 29, 2021 | Buy | $14.64 | 75,493 | 1,105,263 | 4,789,181 | Jan 03, 2022, 02:46 PM |
Aquilo Capital Management, LLC | 10% Owner | Dec 31, 2021 | Buy | $15.75 | 125,000 | 1,969,025 | 4,964,181 | Jan 03, 2022, 02:46 PM |
Aquilo Capital Management, LLC | 10% Owner | Dec 30, 2021 | Buy | $15.77 | 50,000 | 788,610 | 4,839,181 | Jan 03, 2022, 02:46 PM |
Mahadevia Ankit | CEO and President | Dec 27, 2021 | Option Exercise | $5.90 | 8,000 | 47,200 | 152,036 | Dec 29, 2021, 06:26 PM |
Mahadevia Ankit | CEO and President | Dec 27, 2021 | Sale | $14.58 | 8,000 | 116,666 | 144,036 | Dec 29, 2021, 06:26 PM |
Aquilo Capital Management, LLC | 10% Owner | Oct 29, 2021 | Buy | $17.53 | 150,000 | 2,630,175 | 4,713,688 | Nov 02, 2021, 05:47 PM |
Aquilo Capital Management, LLC | 10% Owner | Sep 30, 2021 | Buy | $18.65 | 134,543 | 2,509,173 | 4,563,688 | Oct 04, 2021, 11:36 AM |
Aquilo Capital Management, LLC | 10% Owner | Sep 14, 2021 | Buy | $18.49 | 2,156 | 39,872 | 4,429,145 | Sep 15, 2021, 07:21 PM |
Aquilo Capital Management, LLC | 10% Owner | Sep 13, 2021 | Buy | $18.56 | 44,210 | 820,675 | 4,426,989 | Sep 15, 2021, 07:21 PM |
Aquilo Capital Management, LLC | 10% Owner | Sep 09, 2021 | Buy | $18.50 | 24,749 | 457,792 | 4,382,779 | Sep 10, 2021, 05:21 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 31, 2021 | Buy | $18.93 | 48,645 | 920,660 | 4,358,030 | Sep 01, 2021, 05:42 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 30, 2021 | Buy | $17.87 | 44,042 | 786,859 | 4,309,385 | Sep 01, 2021, 05:42 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 27, 2021 | Buy | $16.88 | 13,957 | 235,531 | 4,265,343 | Aug 27, 2021, 05:11 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 26, 2021 | Buy | $16.55 | 22,982 | 380,322 | 4,251,386 | Aug 27, 2021, 05:11 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 23, 2021 | Buy | $16.33 | 137,835 | 2,251,342 | 4,188,234 | Aug 24, 2021, 04:28 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 20, 2021 | Buy | $14.86 | 221,190 | 3,286,905 | 4,050,399 | Aug 24, 2021, 04:28 PM |
Aquilo Capital Management, LLC | 10% Owner | Aug 24, 2021 | Buy | $16.28 | 40,170 | 653,795 | 4,228,404 | Aug 24, 2021, 04:28 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 08, 2021 | Sale | $21.74 | 3,000 | 65,215 | 3,829,209 | Feb 10, 2021, 01:35 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 01, 2021 | Sale | $19.24 | 13,661 | 262,861 | 3,918,548 | Feb 04, 2021, 06:46 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 04, 2021 | Sale | $18.99 | 34,144 | 648,255 | 3,832,209 | Feb 04, 2021, 06:46 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 03, 2021 | Sale | $18.98 | 29,354 | 557,101 | 3,866,353 | Feb 04, 2021, 06:46 PM |
Aquilo Capital Management, LLC | 10% Owner | Feb 02, 2021 | Sale | $18.99 | 22,841 | 433,771 | 3,895,707 | Feb 04, 2021, 06:46 PM |
Aquilo Capital Management, LLC | 10% Owner | Dec 17, 2020 | Sale | $18.81 | 250,000 | 4,703,225 | 3,932,209 | Dec 18, 2020, 04:43 PM |
Aquilo Capital Management, LLC | 10% Owner | Dec 16, 2020 | Sale | $18.62 | 14,933 | 278,035 | 4,182,209 | Dec 18, 2020, 04:43 PM |
Larkin Cristina | Chief Operating Officer | Dec 16, 2020 | Option Exercise | $5.90 | 12,000 | 70,800 | 13,500 | Dec 18, 2020, 04:15 PM |
Larkin Cristina | Chief Operating Officer | Dec 16, 2020 | Sale | $19.00 | 12,000 | 228,000 | 1,500 | Dec 18, 2020, 04:15 PM |
Aquilo Capital Management, LLC | 10% Owner | Nov 09, 2020 | Sale | $13.77 | 125,900 | 1,734,071 | 4,197,142 | Nov 10, 2020, 07:14 PM |
Aquilo Capital Management, LLC | 10% Owner | Nov 05, 2020 | Sale | $13.98 | 96,600 | 1,350,333 | 4,328,042 | Nov 06, 2020, 08:48 PM |
Aquilo Capital Management, LLC | 10% Owner | Nov 04, 2020 | Sale | $14.26 | 72,500 | 1,033,741 | 4,424,642 | Nov 06, 2020, 08:48 PM |
Aquilo Capital Management, LLC | 10% Owner | Nov 06, 2020 | Sale | $13.77 | 5,000 | 68,874 | 4,323,042 | Nov 06, 2020, 08:48 PM |
Mahadevia Ankit | CEO and President | Nov 04, 2020 | Option Exercise | $5.90 | 7,370 | 43,483 | 73,187 | Nov 05, 2020, 07:00 PM |
Mahadevia Ankit | CEO and President | Nov 03, 2020 | Option Exercise | $5.90 | 2,137 | 12,608 | 67,954 | Nov 05, 2020, 07:00 PM |
Mahadevia Ankit | CEO and President | Nov 04, 2020 | Sale | $14.43 | 7,370 | 106,335 | 65,817 | Nov 05, 2020, 07:00 PM |
Mahadevia Ankit | CEO and President | Nov 03, 2020 | Sale | $14.27 | 2,137 | 30,490 | 65,817 | Nov 05, 2020, 07:00 PM |
Mahadevia Ankit | CEO and President | Oct 23, 2020 | Option Exercise | $5.90 | 20 | 118 | 65,837 | Oct 27, 2020, 05:32 PM |
Mahadevia Ankit | CEO and President | Oct 23, 2020 | Sale | $14.25 | 20 | 285 | 65,817 | Oct 27, 2020, 05:32 PM |
Mahadevia Ankit | CEO and President | Oct 14, 2020 | Option Exercise | $5.90 | 105 | 620 | 65,922 | Oct 15, 2020, 08:24 PM |
Mahadevia Ankit | CEO and President | Oct 13, 2020 | Option Exercise | $5.90 | 14,367 | 84,765 | 80,184 | Oct 15, 2020, 08:24 PM |
Mahadevia Ankit | CEO and President | Oct 14, 2020 | Sale | $14.25 | 105 | 1,496 | 65,817 | Oct 15, 2020, 08:24 PM |
Mahadevia Ankit | CEO and President | Oct 13, 2020 | Sale | $14.28 | 14,367 | 205,212 | 65,817 | Oct 15, 2020, 08:24 PM |
Mahadevia Ankit | CEO and President | Sep 08, 2020 | Option Exercise | $5.90 | 774 | 4,567 | 66,591 | Sep 10, 2020, 09:51 PM |
Mahadevia Ankit | CEO and President | Sep 08, 2020 | Sale | $14.25 | 774 | 11,030 | 65,817 | Sep 10, 2020, 09:51 PM |
Mahadevia Ankit | CEO and President | Jul 09, 2020 | Option Exercise | $5.90 | 2,293 | 13,529 | 68,110 | Jul 09, 2020, 06:48 PM |
Mahadevia Ankit | CEO and President | Jul 07, 2020 | Option Exercise | $5.90 | 754 | 4,449 | 66,571 | Jul 09, 2020, 06:48 PM |
Mahadevia Ankit | CEO and President | Jul 09, 2020 | Sale | $14.31 | 2,293 | 32,807 | 65,817 | Jul 09, 2020, 06:48 PM |
Mahadevia Ankit | CEO and President | Jul 07, 2020 | Sale | $14.25 | 754 | 10,745 | 65,817 | Jul 09, 2020, 06:48 PM |
GLAXOSMITHKLINE PLC | 10% Owner | Jul 17, 2018 | Buy | $12.50 | 80,000 | 1,000,000 | 1,934,006 | Jul 17, 2018, 05:01 PM |
Larkin Cristina | Chief Operating Officer | Jul 05, 2018 | Option Exercise | $5.90 | 4,000 | 23,600 | 5,500 | Jul 06, 2018, 09:45 PM |
Larkin Cristina | Chief Operating Officer | Jul 05, 2018 | Sale | $17.50 | 4,000 | 70,000 | 1,500 | Jul 06, 2018, 09:45 PM |
Sendek Joel | Chief Financial Officer | Jul 05, 2018 | Option Exercise | $5.90 | 2,000 | 11,800 | 17,181 | Jul 06, 2018, 09:44 PM |
Sendek Joel | Chief Financial Officer | Jul 05, 2018 | Sale | $17.50 | 2,000 | 35,000 | 15,181 | Jul 06, 2018, 09:44 PM |
Mahadevia Ankit | See Remarks | Jul 06, 2018 | Option Exercise | $5.90 | 1,600 | 9,440 | 67,417 | Jul 06, 2018, 09:41 PM |
Mahadevia Ankit | See Remarks | Jul 05, 2018 | Option Exercise | $5.90 | 3,076 | 18,148 | 68,893 | Jul 06, 2018, 09:41 PM |
Mahadevia Ankit | See Remarks | Jul 06, 2018 | Sale | $17.65 | 1,600 | 28,233 | 66,917 | Jul 06, 2018, 09:41 PM |
Mahadevia Ankit | See Remarks | Jul 05, 2018 | Sale | $17.62 | 3,076 | 54,204 | 65,817 | Jul 06, 2018, 09:41 PM |
GLAXOSMITHKLINE PLC | 10% Owner | Nov 06, 2017 | Buy | $14.00 | 428,571 | 5,999,994 | 1,854,006 | Nov 07, 2017, 07:42 PM |
FORMELA JEAN FRANCOIS | Director | Nov 06, 2017 | Buy | $14.00 | 428,571 | 5,999,994 | 2,408,128 | Nov 07, 2017, 04:08 PM |
Goyal Vikas | Director | Nov 06, 2017 | Buy | $14.00 | 428,571 | 5,999,994 | 1,854,006 | Nov 07, 2017, 04:06 PM |
Sendek Joel | Chief Financial Officer | Nov 06, 2017 | Buy | $14.00 | 5,000 | 70,000 | 15,181 | Nov 07, 2017, 04:05 PM |
Larkin Cristina | Chief Operating Officer | Nov 06, 2017 | Buy | $14.00 | 1,500 | 21,000 | 1,500 | Nov 07, 2017, 04:05 PM |
Breum Casper | Director | Nov 06, 2017 | Buy | $14.00 | 214,285 | 2,999,990 | 1,091,774 | Nov 07, 2017, 04:05 PM |
Fund | # Shares Owned | % of Portfolio | % Change | Investing Style |
---|---|---|---|---|
RENAISSANCE TECHNOLOGIES LLC | 854,460 | 0.00231% | 56.08% | Other |
BLACKROCK INC. | 476,896 | 0.00002% | -0.77% | Other |
GEODE CAPITAL MANAGEMENT, LLC | 469,441 | 0.00007% | 13.75% | Other |
Period of Report: 12/31/2023
10-K/10-Q Filings: View