Spero Therapeutics, Inc. (SPRO)

Exchange NASDAQ
0.94


Currency in USD (Disclaimer)
Volume:
Day's Range:

SPRO Insider Trading

Transaction Date Reporting Name Relationship Shrs. Owned Type Acq./Disp. Shrs. Transacted Price(USD) Amount(USD) SEC Filing
2022-04-26 Aquilo Capital Management, LLC 10 percent owner 5,321,231.0 P-Purchase A 39,727.0 5.24 207,970.85
2022-03-30 Aquilo Capital Management, LLC 10 percent owner 5,281,504.0 P-Purchase A 16,885.0 8.79 148,392.13
2022-03-30 Aquilo Capital Management, LLC 10 percent owner 5,264,619.0 P-Purchase A 33,115.0 8.79 291,027.87
2022-03-14 Aquilo Capital Management, LLC 10 percent owner 5,231,504.0 P-Purchase A 8,006.0 7.63 61,053.76
2022-03-14 Aquilo Capital Management, LLC 10 percent owner 5,223,498.0 P-Purchase A 15,702.0 7.63 119,743.45
2022-02-28 Aquilo Capital Management, LLC 10 percent owner 5,207,796.0 P-Purchase A 15,104.0 9.53 143,930.55
2022-02-28 Aquilo Capital Management, LLC 10 percent owner 5,192,692.0 P-Purchase A 29,729.0 9.53 283,296.56
2022-02-18 Aquilo Capital Management, LLC 10 percent owner 5,162,963.0 P-Purchase A 14,828.0 9.24 137,038.89
2022-02-01 JOSEPH TAMARA L officer: Chief Legal Officer 53,190.0 A-Award A 53,190.0 11.18 594,664.20
2022-02-01 JOSEPH TAMARA L officer: Chief Legal Officer 62,081.0 A-Award A 38,014.0 0.00 0.00
2022-02-01 Keutzer Timothy officer: Chief Development Officer 53,190.0 A-Award A 53,190.0 11.18 594,664.20
2022-02-01 Keutzer Timothy officer: Chief Development Officer 64,581.0 A-Award A 38,014.0 0.00 0.00
2022-02-01 Mahadevia Ankit director, officer: CEO and President 187,730.0 A-Award A 187,730.0 11.18 2,098,821.40
2022-02-01 Mahadevia Ankit director, officer: CEO and President 278,204.0 A-Award A 134,168.0 0.00 0.00
2022-02-01 Larkin Cristina officer: Chief Operating Officer 53,190.0 A-Award A 53,190.0 11.18 594,664.20
2022-02-01 Larkin Cristina officer: Chief Operating Officer 63,581.0 A-Award A 38,014.0 0.00 0.00
2022-02-01 Shukla Sath officer: Chief Financial Officer 53,190.0 A-Award A 53,190.0 11.18 594,664.20
2022-02-01 Shukla Sath officer: Chief Financial Officer 62,081.0 A-Award A 38,014.0 0.00 0.00
2022-02-01 Melnick David A. officer: Chief Medical Officer 53,190.0 A-Award A 53,190.0 11.18 594,664.20
2022-02-01 Melnick David A. officer: Chief Medical Officer 62,081.0 A-Award A 38,014.0 0.00 0.00
2022-01-31 Aquilo Capital Management, LLC 10 percent owner 5,148,135.0 P-Purchase A 125,000.0 11.59 1,448,262.50
2022-01-24 Aquilo Capital Management, LLC 10 percent owner 5,023,135.0 P-Purchase A 1,599.0 10.89 17,418.07
2022-01-18 Aquilo Capital Management, LLC 10 percent owner 5,021,536.0 P-Purchase A 48,488.0 12.41 601,963.97
2022-01-10 Aquilo Capital Management, LLC 10 percent owner 4,973,048.0 P-Purchase A 8,867.0 12.93 114,608.64
2022-01-05 Tregoning Kathleen director 4,428.0 A-Award A 4,428.0 13.19 58,405.32
2022-01-05 VINK PATRICK V.J.J. director 2,214.0 A-Award A 2,214.0 13.19 29,202.66
2022-01-05 THOMAS FRANK E director 2,214.0 A-Award A 2,214.0 13.19 29,202.66
2021-12-31 Aquilo Capital Management, LLC 10 percent owner 4,964,181.0 P-Purchase A 125,000.0 15.75 1,969,025.00
2021-12-30 Aquilo Capital Management, LLC 10 percent owner 4,839,181.0 P-Purchase A 50,000.0 15.77 788,610.00
2021-12-29 Aquilo Capital Management, LLC 10 percent owner 4,789,181.0 P-Purchase A 75,493.0 14.64 1,105,262.82
2021-12-27 Mahadevia Ankit director, officer: CEO and President 486,809.0 M-Exempt D 8,000.0 5.90 47,200.00
2021-12-27 Mahadevia Ankit director, officer: CEO and President 144,036.0 S-Sale D 8,000.0 14.58 116,666.40
2021-12-27 Mahadevia Ankit director, officer: CEO and President 152,036.0 M-Exempt A 8,000.0 5.90 47,200.00
2021-11-11 Tregoning Kathleen director 15,000.0 A-Award A 15,000.0 16.91 253,650.00
2021-10-29 Aquilo Capital Management, LLC 10 percent owner 4,713,688.0 P-Purchase A 150,000.0 17.53 2,630,175.00
2021-09-30 Aquilo Capital Management, LLC 10 percent owner 4,563,688.0 P-Purchase A 134,543.0 18.65 2,509,173.13
2021-09-14 Aquilo Capital Management, LLC 10 percent owner 4,429,145.0 P-Purchase A 2,156.0 18.49 39,872.42
2021-09-13 Aquilo Capital Management, LLC 10 percent owner 4,426,989.0 P-Purchase A 44,210.0 18.56 820,674.65
2021-09-09 Aquilo Capital Management, LLC 10 percent owner 4,382,779.0 P-Purchase A 24,749.0 18.50 457,792.15
2021-08-31 Aquilo Capital Management, LLC 10 percent owner 4,358,030.0 P-Purchase A 48,645.0 18.93 920,660.13
2021-08-30 Aquilo Capital Management, LLC 10 percent owner 4,309,385.0 P-Purchase A 44,042.0 17.87 786,858.78
2021-08-27 Aquilo Capital Management, LLC 10 percent owner 4,265,343.0 P-Purchase A 13,957.0 16.88 235,531.35
2021-08-26 Aquilo Capital Management, LLC 10 percent owner 4,251,386.0 P-Purchase A 22,982.0 16.55 380,322.22
2021-08-26 JOSEPH TAMARA L officer: Chief Legal Officer 24,067.0 A-Award A 24,067.0 0.00 0.00
2021-08-26 Keutzer Timothy officer: Chief Development Officer 26,567.0 A-Award A 24,067.0 0.00 0.00
2021-08-26 Shukla Sath officer: Chief Financial Officer 24,067.0 A-Award A 24,067.0 0.00 0.00
2021-08-26 Melnick David A. officer: Chief Medical Officer 24,067.0 A-Award A 24,067.0 0.00 0.00
2021-08-26 Mahadevia Ankit director, officer: See Remarks 144,036.0 A-Award A 78,219.0 0.00 0.00
2021-08-26 Larkin Cristina officer: Chief Operating Officer 25,567.0 A-Award A 24,067.0 0.00 0.00
2021-08-24 Aquilo Capital Management, LLC 10 percent owner 4,228,404.0 P-Purchase A 40,170.0 16.28 653,794.87
2021-08-23 Aquilo Capital Management, LLC 10 percent owner 4,188,234.0 P-Purchase A 137,835.0 16.33 2,251,341.76
2021-08-20 Aquilo Capital Management, LLC 10 percent owner 4,050,399.0 P-Purchase A 221,190.0 14.86 3,286,905.52
2021-08-17 Smith Cynthia director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-08-17 Deshpande Milind director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-08-17 VINK PATRICK V.J.J. director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-08-17 Jackson Scott Thomas director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-08-17 Pottage John C Jr director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-08-17 THOMAS FRANK E director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-08-17 FORMELA JEAN FRANCOIS director 7,500.0 A-Award A 7,500.0 13.69 102,675.00
2021-02-08 Aquilo Capital Management, LLC 10 percent owner 3,829,209.0 S-Sale D 3,000.0 21.74 65,215.20
2021-02-04 Aquilo Capital Management, LLC 10 percent owner 3,832,209.0 S-Sale D 34,144.0 18.99 648,254.57
2021-02-03 Aquilo Capital Management, LLC 10 percent owner 3,866,353.0 S-Sale D 29,354.0 18.98 557,100.76
2021-02-02 Aquilo Capital Management, LLC 10 percent owner 3,895,707.0 S-Sale D 22,841.0 18.99 433,771.15
2021-02-01 Mahadevia Ankit director, officer: See Remarks 179,319.0 A-Award A 179,319.0 19.18 3,439,338.42
2021-02-01 Keutzer Timothy officer: Chief Development Officer 57,432.0 A-Award A 57,432.0 19.18 1,101,545.76
2021-02-01 Melnick David A. officer: Chief Medical Officer 57,432.0 A-Award A 57,432.0 19.18 1,101,545.76
2021-02-01 Aquilo Capital Management, LLC 10 percent owner 3,918,548.0 S-Sale D 13,661.0 19.24 262,860.86
2021-02-01 Larkin Cristina officer: Chief Operating Officer 57,432.0 A-Award A 57,432.0 19.18 1,101,545.76
2021-01-04 Smith Cynthia director 2,629.0 A-Award A 2,629.0 17.93 47,137.97
2021-01-04 THOMAS FRANK E director 1,314.0 A-Award A 1,314.0 17.93 23,560.02
2021-01-04 Shukla Sath officer: Chief Financial Officer 75,000.0 A-Award A 75,000.0 17.93 1,344,750.00
2021-01-04 Deshpande Milind director 2,629.0 A-Award A 2,629.0 17.93 47,137.97
2021-01-04 VINK PATRICK V.J.J. director 1,314.0 A-Award A 1,314.0 17.93 23,560.02
2020-12-17 Aquilo Capital Management, LLC 10 percent owner 3,932,209.0 S-Sale D 250,000.0 18.81 4,703,225.00
2020-12-16 Larkin Cristina officer: Chief Operating Officer 13,500.0 M-Exempt A 12,000.0 5.90 70,800.00
2020-12-16 Larkin Cristina officer: Chief Operating Officer 1,500.0 S-Sale D 12,000.0 5.90 70,800.00
2020-12-16 Larkin Cristina officer: Chief Operating Officer 8,434.0 M-Exempt D 12,000.0 5.90 70,800.00
2020-12-16 Aquilo Capital Management, LLC 10 percent owner 4,182,209.0 S-Sale D 14,933.0 18.62 278,034.54
2020-12-02 JOSEPH TAMARA L officer: Chief Legal Officer 75,000.0 A-Award A 75,000.0 17.28 1,296,000.00
2020-11-09 Aquilo Capital Management, LLC 10 percent owner 4,197,142.0 S-Sale D 125,900.0 13.77 1,734,071.06
2020-11-06 Aquilo Capital Management, LLC 10 percent owner 4,323,042.0 S-Sale D 5,000.0 13.77 68,873.50
2020-11-05 Aquilo Capital Management, LLC 10 percent owner 4,328,042.0 S-Sale D 96,600.0 13.98 1,350,332.76
2020-11-04 Aquilo Capital Management, LLC 10 percent owner 4,424,642.0 S-Sale D 72,500.0 14.26 1,033,741.25
2020-11-04 Mahadevia Ankit director, officer: See Remarks 73,187.0 M-Exempt A 7,370.0 14.43 106,335.10
2020-11-04 Mahadevia Ankit director, officer: See Remarks 65,817.0 S-Sale D 7,370.0 14.43 106,335.10
2020-11-04 Mahadevia Ankit director, officer: See Remarks 494,809.0 M-Exempt D 7,370.0 14.43 106,335.10
2020-11-03 Mahadevia Ankit director, officer: See Remarks 65,817.0 S-Sale D 2,137.0 5.90 12,608.30
2020-11-03 Mahadevia Ankit director, officer: See Remarks 502,179.0 M-Exempt D 2,137.0 5.90 12,608.30
2020-11-03 Mahadevia Ankit director, officer: See Remarks 67,954.0 M-Exempt A 2,137.0 5.90 12,608.30
2020-10-27 Deshpande Milind director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-27 Jackson Scott Thomas director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-27 Pottage John C Jr director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-27 THOMAS FRANK E director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-27 FORMELA JEAN FRANCOIS director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-27 VINK PATRICK V.J.J. director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-27 Smith Cynthia director 7,500.0 A-Award A 7,500.0 13.52 101,400.00
2020-10-23 Mahadevia Ankit director, officer: See Remarks 65,817.0 S-Sale D 20.0 5.90 118.00
2020-10-23 Mahadevia Ankit director, officer: See Remarks 65,837.0 M-Exempt A 20.0 5.90 118.00
2020-10-23 Mahadevia Ankit director, officer: See Remarks 504,316.0 M-Exempt D 20.0 5.90 118.00
2020-10-14 Mahadevia Ankit director, officer: See Remarks 65,922.0 M-Exempt A 105.0 14.25 1,496.25

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