Spero Therapeutics, Inc.

Zack Debra bought 162,311 shares of SPRO on 3 August. They now own 162,311 SPRO shares.

Zack Debra bought 0 shares of SPRO on 3 August. They now own 0 SPRO shares.

Zack Debra bought 324,675 shares of SPRO on 3 August. They now own 324,675 SPRO shares.

Smith Cynthia bought 10,000 shares of SPRO on 23 June. They now own 85,000 SPRO shares.

Pottage John C Jr bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Thomas Frank E bought 10,000 shares of SPRO on 23 June. They now own 85,000 SPRO shares.

Pottage John C Jr bought 10,000 shares of SPRO on 23 June. They now own 85,000 SPRO shares.

Tregoning Kathleen bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Vink Patrick V.J.J. bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Jackson Scott Thomas bought 10,000 shares of SPRO on 23 June. They now own 85,000 SPRO shares.

Vink Patrick V.J.J. bought 10,000 shares of SPRO on 23 June. They now own 85,000 SPRO shares.

Tregoning Kathleen bought 10,000 shares of SPRO on 23 June. They now own 85,000 SPRO shares.

Deshpande Milind bought 10,000 shares of SPRO on 23 June. They now own 101,454 SPRO shares.

Smith Cynthia bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Thomas Frank E bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Deshpande Milind bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Jackson Scott Thomas bought 20,000 shares of SPRO on 23 June. They now own 20,000 SPRO shares.

Rajavelu Esther sold 25,240 shares of SPRO on 4 May. They now own 986,851 SPRO shares.

Keutzer Timothy sold 18,652 shares of SPRO on 6 February. They now own 742,506 SPRO shares.

Rajavelu Esther sold 37,101 shares of SPRO on 6 February. They now own 1,062,907 SPRO shares.

Rajavelu Esther sold 50,816 shares of SPRO on 6 February. They now own 1,012,091 SPRO shares.

Keutzer Timothy sold 3,471 shares of SPRO on 4 February. They now own 761,158 SPRO shares.

Keutzer Timothy sold 24,224 shares of SPRO on 3 February. They now own 764,629 SPRO shares.

Rajavelu Esther bought 249,000 shares of SPRO on 2 February. They now own 1,118,450 SPRO shares.

Keutzer Timothy sold 18,891 shares of SPRO on 2 February. They now own 788,853 SPRO shares.

Keutzer Timothy bought 137,000 shares of SPRO on 2 February. They now own 137,000 SPRO shares.

Keutzer Timothy bought 68,000 shares of SPRO on 2 February. They now own 807,744 SPRO shares.

Rajavelu Esther bought 498,000 shares of SPRO on 2 February. They now own 498,000 SPRO shares.

Rajavelu Esther sold 18,442 shares of SPRO on 2 February. They now own 1,100,008 SPRO shares.

Rajavelu Esther sold 40,270 shares of SPRO on 7 November. They now own 869,450 SPRO shares.

Mahadevia Ankit sold 6,572 shares of SPRO on 28 August. They now own 703,294 SPRO shares.

Keutzer Timothy sold 1,695 shares of SPRO on 28 August. They now own 739,744 SPRO shares.

Thomas Frank E bought 20,000 shares of SPRO on 12 June. They now own 75,000 SPRO shares.

Smith Cynthia bought 20,000 shares of SPRO on 12 June. They now own 75,000 SPRO shares.

Tregoning Kathleen bought 20,000 shares of SPRO on 12 June. They now own 75,000 SPRO shares.

Deshpande Milind bought 20,000 shares of SPRO on 12 June. They now own 91,454 SPRO shares.

Pottage John C Jr bought 20,000 shares of SPRO on 12 June. They now own 75,000 SPRO shares.

Vink Patrick V.J.J. bought 20,000 shares of SPRO on 12 June. They now own 75,000 SPRO shares.

Jackson Scott Thomas bought 20,000 shares of SPRO on 12 June. They now own 75,000 SPRO shares.

Mahadevia Ankit bought 20,000 shares of SPRO on 12 June. They now own 709,866 SPRO shares.

Rajavelu Esther bought 185,000 shares of SPRO on 2 May. They now own 909,720 SPRO shares.

Mahadevia Ankit sold 55,260 shares of SPRO on 5 February. They now own 689,866 SPRO shares.

Rajavelu Esther sold 20,689 shares of SPRO on 5 February. They now own 724,720 SPRO shares.

Shukla Sath sold 6,139 shares of SPRO on 5 February. They now own 1,886,077 SPRO shares.

Shukla Sath sold 106,408 shares of SPRO on 5 February. They now own 1,736,883 SPRO shares.

Shukla Sath sold 42,786 shares of SPRO on 5 February. They now own 1,843,291 SPRO shares.

Keutzer Timothy sold 3,974 shares of SPRO on 5 February. They now own 794,002 SPRO shares.

Keutzer Timothy sold 24,920 shares of SPRO on 5 February. They now own 741,439 SPRO shares.

Mahadevia Ankit sold 13,959 shares of SPRO on 5 February. They now own 745,126 SPRO shares.

Keutzer Timothy sold 27,643 shares of SPRO on 5 February. They now own 766,359 SPRO shares.

Rajavelu Esther bought 100,000 shares of SPRO on 3 February. They now own 745,409 SPRO shares.

Rajavelu Esther bought 266,139 shares of SPRO on 3 February. They now own 645,409 SPRO shares.

Keutzer Timothy bought 266,139 shares of SPRO on 3 February. They now own 797,976 SPRO shares.

Shukla Sath bought 751,407 shares of SPRO on 3 February. They now own 1,892,216 SPRO shares.

Rajavelu Esther sold 17,245 shares of SPRO on 8 November. They now own 379,270 SPRO shares.

Rajavelu Esther sold 23,351 shares of SPRO on 7 November. They now own 396,515 SPRO shares.

Keutzer Timothy sold 2,213 shares of SPRO on 27 August. They now own 531,837 SPRO shares.

Mahadevia Ankit sold 5,912 shares of SPRO on 27 August. They now own 759,085 SPRO shares.

Shukla Sath sold 2,757 shares of SPRO on 27 August. They now own 1,140,809 SPRO shares.

Shukla Sath sold 17,641 shares of SPRO on 5 August. They now own 1,143,566 SPRO shares.

Shukla Sath sold 14,800 shares of SPRO on 2 August. They now own 1,161,207 SPRO shares.

Tregoning Kathleen bought 20,000 shares of SPRO on 29 May. They now own 55,000 SPRO shares.

Thomas Frank E bought 20,000 shares of SPRO on 29 May. They now own 55,000 SPRO shares.

Deshpande Milind bought 20,000 shares of SPRO on 29 May. They now own 71,454 SPRO shares.

Jackson Scott Thomas bought 20,000 shares of SPRO on 29 May. They now own 55,000 SPRO shares.

Smith Cynthia bought 20,000 shares of SPRO on 29 May. They now own 55,000 SPRO shares.

Vink Patrick V.J.J. bought 20,000 shares of SPRO on 29 May. They now own 55,000 SPRO shares.

Mahadevia Ankit bought 20,000 shares of SPRO on 29 May. They now own 764,997 SPRO shares.

Pottage John C Jr bought 20,000 shares of SPRO on 29 May. They now own 55,000 SPRO shares.

Shukla Sath sold 45,093 shares of SPRO on 5 February. They now own 1,176,007 SPRO shares.

Joseph Tamara L sold 30,906 shares of SPRO on 2 February. They now own 531,615 SPRO shares.

Shukla Sath sold 30,901 shares of SPRO on 2 February. They now own 1,221,100 SPRO shares.

Mahadevia Ankit sold 63,795 shares of SPRO on 2 February. They now own 744,997 SPRO shares.

Hamed Kamal sold 28,075 shares of SPRO on 2 February. They now own 788,117 SPRO shares.

Keutzer Timothy sold 30,971 shares of SPRO on 2 February. They now own 534,050 SPRO shares.

Joseph Tamara L bought 239,731 shares of SPRO on 1 February. They now own 562,521 SPRO shares.

Keutzer Timothy bought 239,731 shares of SPRO on 1 February. They now own 565,021 SPRO shares.

Rajavelu Esther bought 119,866 shares of SPRO on 1 February. They now own 419,866 SPRO shares.

Shukla Sath bought 679,501 shares of SPRO on 1 February. They now own 1,252,001 SPRO shares.

Hamed Kamal bought 239,731 shares of SPRO on 1 February. They now own 816,192 SPRO shares.

Tregoning Kathleen bought 35,604 shares of SPRO on 2 January. They now own 35,604 SPRO shares.

Rajavelu Esther bought 300,000 shares of SPRO on 13 November. They now own 300,000 SPRO shares.

Rajavelu Esther bought 0 shares of SPRO on 6 November. They now own 0 SPRO shares.

Mahadevia Ankit bought 20,000 shares of SPRO on 5 October. They now own 808,792 SPRO shares.

Jackson Scott Thomas bought 20,000 shares of SPRO on 5 October. They now own 35,000 SPRO shares.

Smith Cynthia bought 20,000 shares of SPRO on 5 October. They now own 35,000 SPRO shares.

Thomas Frank E bought 20,000 shares of SPRO on 5 October. They now own 35,000 SPRO shares.

Pottage John C Jr bought 20,000 shares of SPRO on 5 October. They now own 35,000 SPRO shares.

Deshpande Milind bought 20,000 shares of SPRO on 5 October. They now own 51,454 SPRO shares.

Vink Patrick V.J.J. bought 20,000 shares of SPRO on 5 October. They now own 35,000 SPRO shares.

Tregoning Kathleen bought 20,000 shares of SPRO on 5 October. They now own 35,000 SPRO shares.

Hamed Kamal sold 39,496 shares of SPRO on 13 September. They now own 576,461 SPRO shares.

Shukla Sath sold 4,163 shares of SPRO on 29 August. They now own 572,500 SPRO shares.

Mahadevia Ankit sold 9,040 shares of SPRO on 28 August. They now own 788,792 SPRO shares.

Shukla Sath sold 1,854 shares of SPRO on 28 August. They now own 576,663 SPRO shares.

Keutzer Timothy sold 1,854 shares of SPRO on 28 August. They now own 325,290 SPRO shares.

Joseph Tamara L sold 1,854 shares of SPRO on 28 August. They now own 322,790 SPRO shares.

Shukla Sath bought 266,000 shares of SPRO on 1 August. They now own 578,517 SPRO shares.

Dipalma Stephen J. bought 0 shares of SPRO on 15 July. They now own 0 SPRO shares.

Hamed Kamal bought 140,000 shares of SPRO on 12 June. They now own 615,957 SPRO shares.

Mahadevia Ankit sold 12,286 shares of SPRO on 3 February. They now own 797,832 SPRO shares.

Keutzer Timothy sold 3,394 shares of SPRO on 2 February. They now own 327,144 SPRO shares.

Shukla Sath sold 9,504 shares of SPRO on 2 February. They now own 312,517 SPRO shares.

Joseph Tamara L sold 3,394 shares of SPRO on 2 February. They now own 324,644 SPRO shares.

Keutzer Timothy bought 265,957 shares of SPRO on 1 February. They now own 330,538 SPRO shares.

Shukla Sath bought 265,957 shares of SPRO on 1 February. They now own 322,021 SPRO shares.

Hamed Kamal bought 265,957 shares of SPRO on 1 February. They now own 475,957 SPRO shares.

Joseph Tamara L bought 265,957 shares of SPRO on 1 February. They now own 328,038 SPRO shares.

Mahadevia Ankit bought 531,914 shares of SPRO on 1 February. They now own 810,118 SPRO shares.

Vink Patrick V.J.J. bought 15,471 shares of SPRO on 3 January. They now own 15,471 SPRO shares.

Tregoning Kathleen bought 30,943 shares of SPRO on 3 January. They now own 30,943 SPRO shares.

Gsk Plc bought 0 shares of SPRO on 7 November. They now own 9,190,606 SPRO shares.

Aquilo Capital Management, Llc sold 1,335,512 shares of SPRO on 22 September. They now own 3,985,719 SPRO shares.

Aquilo Capital Management, Llc sold 566,284 shares of SPRO on 22 September. They now own 3,419,435 SPRO shares.

Jackson Scott Thomas bought 15,000 shares of SPRO on 15 September. They now own 15,000 SPRO shares.

Pottage John C Jr bought 15,000 shares of SPRO on 15 September. They now own 15,000 SPRO shares.

Smith Cynthia bought 15,000 shares of SPRO on 15 September. They now own 15,000 SPRO shares.

Tregoning Kathleen bought 15,000 shares of SPRO on 15 September. They now own 15,000 SPRO shares.

Deshpande Milind bought 15,000 shares of SPRO on 15 September. They now own 31,454 SPRO shares.

Shukla Sath sold 6,017 shares of SPRO on 29 August. They now own 56,064 SPRO shares.

Aquilo Capital, L.P. bought 39,727 shares of SPRO on 26 April. They now own 5,321,231 SPRO shares.

Aquilo Capital Management, Llc bought 39,727 shares of SPRO on 26 April. They now own 5,321,231 SPRO shares.

Aquilo Capital Management, Llc bought 16,885 shares of SPRO on 30 March. They now own 5,281,504 SPRO shares.

Aquilo Capital, L.P. bought 33,115 shares of SPRO on 30 March. They now own 5,264,619 SPRO shares.

Aquilo Capital Management, Llc bought 33,115 shares of SPRO on 30 March. They now own 5,264,619 SPRO shares.

Aquilo Capital Management, Llc bought 8,006 shares of SPRO on 14 March. They now own 5,231,504 SPRO shares.

Aquilo Capital, L.P. bought 8,006 shares of SPRO on 14 March. They now own 5,231,504 SPRO shares.

Aquilo Capital Management, Llc bought 15,702 shares of SPRO on 14 March. They now own 5,223,498 SPRO shares.

Aquilo Capital Management, Llc bought 15,104 shares of SPRO on 28 February. They now own 5,207,796 SPRO shares.

Aquilo Capital Management, Llc bought 29,729 shares of SPRO on 28 February. They now own 5,192,692 SPRO shares.

Aquilo Capital Management, Llc bought 14,828 shares of SPRO on 18 February. They now own 5,162,963 SPRO shares.

Mahadevia Ankit bought 187,730 shares of SPRO on 1 February. They now own 187,730 SPRO shares.

Larkin Cristina bought 53,190 shares of SPRO on 1 February. They now own 53,190 SPRO shares.

Melnick David A. bought 53,190 shares of SPRO on 1 February. They now own 53,190 SPRO shares.

Keutzer Timothy bought 38,014 shares of SPRO on 1 February. They now own 64,581 SPRO shares.

Shukla Sath bought 53,190 shares of SPRO on 1 February. They now own 53,190 SPRO shares.

Joseph Tamara L bought 38,014 shares of SPRO on 1 February. They now own 62,081 SPRO shares.

Keutzer Timothy bought 53,190 shares of SPRO on 1 February. They now own 53,190 SPRO shares.

Larkin Cristina bought 38,014 shares of SPRO on 1 February. They now own 63,581 SPRO shares.

Joseph Tamara L bought 53,190 shares of SPRO on 1 February. They now own 53,190 SPRO shares.

Mahadevia Ankit bought 134,168 shares of SPRO on 1 February. They now own 278,204 SPRO shares.

Melnick David A. bought 38,014 shares of SPRO on 1 February. They now own 62,081 SPRO shares.

Shukla Sath bought 38,014 shares of SPRO on 1 February. They now own 62,081 SPRO shares.

Aquilo Capital Management, Llc bought 125,000 shares of SPRO on 31 January. They now own 5,148,135 SPRO shares.

Aquilo Capital Management, Llc bought 1,599 shares of SPRO on 24 January. They now own 5,023,135 SPRO shares.

Aquilo Capital Management, Llc bought 48,488 shares of SPRO on 18 January. They now own 5,021,536 SPRO shares.

Aquilo Capital Management, Llc bought 8,867 shares of SPRO on 10 January. They now own 4,973,048 SPRO shares.

Vink Patrick V.J.J. bought 2,214 shares of SPRO on 5 January. They now own 2,214 SPRO shares.

Tregoning Kathleen bought 4,428 shares of SPRO on 5 January. They now own 4,428 SPRO shares.

Thomas Frank E bought 2,214 shares of SPRO on 5 January. They now own 2,214 SPRO shares.

Aquilo Capital Management, Llc bought 125,000 shares of SPRO on 31 December. They now own 4,964,181 SPRO shares.

Aquilo Capital Management, Llc bought 50,000 shares of SPRO on 30 December. They now own 4,839,181 SPRO shares.

Aquilo Capital Management, Llc bought 75,493 shares of SPRO on 29 December. They now own 4,789,181 SPRO shares.

Mahadevia Ankit sold 8,000 shares of SPRO on 27 December. They now own 144,036 SPRO shares.

Mahadevia Ankit sold 8,000 shares of SPRO on 27 December. They now own 486,809 SPRO shares.

Mahadevia Ankit bought 8,000 shares of SPRO on 27 December. They now own 152,036 SPRO shares.

Tregoning Kathleen bought 15,000 shares of SPRO on 11 November. They now own 15,000 SPRO shares.

Aquilo Capital Management, Llc bought 150,000 shares of SPRO on 29 October. They now own 4,713,688 SPRO shares.

Tregoning Kathleen bought 0 shares of SPRO on 11 October. They now own 0 SPRO shares.

Aquilo Capital Management, Llc bought 134,543 shares of SPRO on 30 September. They now own 4,563,688 SPRO shares.

Aquilo Capital Management, Llc bought 2,156 shares of SPRO on 14 September. They now own 4,429,145 SPRO shares.

Aquilo Capital Management, Llc bought 44,210 shares of SPRO on 13 September. They now own 4,426,989 SPRO shares.

Aquilo Capital Management, Llc bought 24,749 shares of SPRO on 9 September. They now own 4,382,779 SPRO shares.

Aquilo Capital Management, Llc bought 48,645 shares of SPRO on 31 August. They now own 4,358,030 SPRO shares.

Aquilo Capital Management, Llc bought 44,042 shares of SPRO on 30 August. They now own 4,309,385 SPRO shares.

Aquilo Capital Management, Llc bought 13,957 shares of SPRO on 27 August. They now own 4,265,343 SPRO shares.

Shukla Sath bought 24,067 shares of SPRO on 26 August. They now own 24,067 SPRO shares.

Keutzer Timothy bought 24,067 shares of SPRO on 26 August. They now own 26,567 SPRO shares.

Melnick David A. bought 24,067 shares of SPRO on 26 August. They now own 24,067 SPRO shares.

Mahadevia Ankit bought 78,219 shares of SPRO on 26 August. They now own 144,036 SPRO shares.

Aquilo Capital Management, Llc bought 22,982 shares of SPRO on 26 August. They now own 4,251,386 SPRO shares.

Larkin Cristina bought 24,067 shares of SPRO on 26 August. They now own 25,567 SPRO shares.

Joseph Tamara L bought 24,067 shares of SPRO on 26 August. They now own 24,067 SPRO shares.

Aquilo Capital Management, Llc bought 40,170 shares of SPRO on 24 August. They now own 4,228,404 SPRO shares.

Aquilo Capital Management, Llc bought 137,835 shares of SPRO on 23 August. They now own 4,188,234 SPRO shares.

Aquilo Capital Management, Llc bought 221,190 shares of SPRO on 20 August. They now own 4,050,399 SPRO shares.

Pottage John C Jr bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Jackson Scott Thomas bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Deshpande Milind bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Smith Cynthia bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Vink Patrick V.J.J. bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Thomas Frank E bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Formela Jean Francois bought 7,500 shares of SPRO on 17 August. They now own 7,500 SPRO shares.

Aquilo Capital Management, Llc sold 3,000 shares of SPRO on 8 February. They now own 3,829,209 SPRO shares.

Aquilo Capital Management, Llc sold 34,144 shares of SPRO on 4 February. They now own 3,832,209 SPRO shares.

Aquilo Capital Management, Llc sold 29,354 shares of SPRO on 3 February. They now own 3,866,353 SPRO shares.

Aquilo Capital Management, Llc sold 22,841 shares of SPRO on 2 February. They now own 3,895,707 SPRO shares.

Keutzer Timothy bought 57,432 shares of SPRO on 1 February. They now own 57,432 SPRO shares.

Larkin Cristina bought 57,432 shares of SPRO on 1 February. They now own 57,432 SPRO shares.

Aquilo Capital Management, Llc sold 13,661 shares of SPRO on 1 February. They now own 3,918,548 SPRO shares.

Mahadevia Ankit bought 179,319 shares of SPRO on 1 February. They now own 179,319 SPRO shares.

Melnick David A. bought 57,432 shares of SPRO on 1 February. They now own 57,432 SPRO shares.

Deshpande Milind bought 2,629 shares of SPRO on 4 January. They now own 2,629 SPRO shares.

Vink Patrick V.J.J. bought 1,314 shares of SPRO on 4 January. They now own 1,314 SPRO shares.

Smith Cynthia bought 2,629 shares of SPRO on 4 January. They now own 2,629 SPRO shares.

Shukla Sath bought 75,000 shares of SPRO on 4 January. They now own 75,000 SPRO shares.

Shukla Sath bought 0 shares of SPRO on 4 January. They now own 0 SPRO shares.

Thomas Frank E bought 1,314 shares of SPRO on 4 January. They now own 1,314 SPRO shares.

Aquilo Capital Management, Llc sold 250,000 shares of SPRO on 17 December. They now own 3,932,209 SPRO shares.

Larkin Cristina bought 12,000 shares of SPRO on 16 December. They now own 13,500 SPRO shares.