Spero Therapeutics Inc (SPRO)
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Value bought
Past 90 days
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Past 90 days
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Past 90 days
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Past 90 days
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| Notification date | Transaction date | B/S Transaction type | Insider and/or position |
Nb. shares Price Value |
Number of shares | Price | Value | Details |
|---|---|---|---|---|---|---|---|---|
| 2025-02-05 | 2025-02-05 | S Sale |
Chief Operating Officer Officer |
24,920
-3.3%
0.78USD 19,438 |
24,920 -3.3% | 0.78 | USD 19,438 | |
| 2025-02-05 | 2025-02-05 | S Sale |
Chief Operating Officer Officer |
27,643
-3.5%
0.78USD 21,562 |
27,643 -3.5% | 0.78 | USD 21,562 | |
| 2025-02-05 | 2025-02-05 | S Sale |
Chief Operating Officer Officer |
3,974
-0.5%
0.78USD 3,100 |
3,974 -0.5% | 0.78 | USD 3,100 | |
| 2025-02-05 | 2025-02-05 | S Sale |
CFO & CBO Officer |
20,689
-2.8%
0.78USD 16,137 |
20,689 -2.8% | 0.78 | USD 16,137 | |
| 2025-02-05 | 2025-02-05 | S Sale |
CEO & President Officer |
106,408
-5.8%
0.78USD 82,998 |
106,408 -5.8% | 0.78 | USD 82,998 | |
| 2025-02-05 | 2025-02-05 | S Sale |
CEO & President Officer |
42,786
-2.3%
0.78USD 33,373 |
42,786 -2.3% | 0.78 | USD 33,373 | |
| 2025-02-05 | 2025-02-05 | S Sale |
CEO & President Officer |
6,139
-0.3%
0.78USD 4,788 |
6,139 -0.3% | 0.78 | USD 4,788 | |
| 2025-02-05 | 2025-02-05 | S Sale | Non-Executive Director |
55,260
-7.4%
0.78USD 43,103 |
55,260 -7.4% | 0.78 | USD 43,103 | |
| 2025-02-05 | 2025-02-05 | S Sale | Non-Executive Director |
13,959
-1.8%
0.78USD 10,888 |
13,959 -1.8% | 0.78 | USD 10,888 | |
| 2024-11-12 | 2024-11-08 | S Sale |
CFO & CBO Officer |
17,245
-4.3%
1.30USD 22,419 |
17,245 -4.3% | 1.30 | USD 22,419 | |
| 2024-11-12 | 2024-11-07 | S Sale |
CFO & CBO Officer |
23,351
-5.6%
1.31USD 30,590 |
23,351 -5.6% | 1.31 | USD 30,590 | |
| 2024-08-29 | 2024-08-27 | S Sale |
Chief Operating Officer Officer |
2,213
-0.4%
1.35USD 2,988 |
2,213 -0.4% | 1.35 | USD 2,988 | |
| 2024-08-29 | 2024-08-27 | S Sale | Non-Executive Director |
5,912
-0.8%
1.35USD 7,981 |
5,912 -0.8% | 1.35 | USD 7,981 | |
| 2024-08-29 | 2024-08-27 | S Sale |
CEO & President Officer |
2,757
-0.2%
1.35USD 3,722 |
2,757 -0.2% | 1.35 | USD 3,722 | |
| 2024-08-06 | 2024-08-05 | S Sale |
CEO and President Officer |
17,641
-1.5%
1.31USD 23,110 |
17,641 -1.5% | 1.31 | USD 23,110 | |
| 2024-08-06 | 2024-08-02 | S Sale |
CEO and President Officer |
14,800
-1.3%
1.32USD 19,536 |
14,800 -1.3% | 1.32 | USD 19,536 | |
| 2024-02-05 | 2024-02-05 | PS Planned sale |
CEO and President Executive Director |
45,093
-3.7%
1.45USD 65,385 |
45,093 -3.7% | 1.45 | USD 65,385 | |
| 2024-02-05 | 2024-02-02 | S Sale |
Chief Medical Officer Officer |
28,075
-3.4%
1.37USD 38,463 |
28,075 -3.4% | 1.37 | USD 38,463 | |
| 2024-02-05 | 2024-02-02 | S Sale |
Chief Operating Officer Officer |
30,971
-5.5%
1.36USD 42,121 |
30,971 -5.5% | 1.36 | USD 42,121 | |
| 2024-02-05 | 2024-02-02 | S Sale |
CEO and President Executive Director |
30,901
-2.5%
1.37USD 42,334 |
30,901 -2.5% | 1.37 | USD 42,334 | |
| 2024-02-05 | 2024-02-02 | S Sale | Non-Executive Director |
63,795
-7.9%
1.37USD 87,399 |
63,795 -7.9% | 1.37 | USD 87,399 | |
| 2024-02-05 | 2024-02-02 | S Sale |
Chief Legal Officer Officer |
30,906
-5.5%
1.37USD 42,341 |
30,906 -5.5% | 1.37 | USD 42,341 | |
| 2023-09-15 | 2023-09-13 | S Sale |
Chief Medical Officer Officer |
39,496
-6.4%
1.27USD 50,160 |
39,496 -6.4% | 1.27 | USD 50,160 | |
| 2023-08-30 | 2023-08-29 | PS Planned sale |
CEO and President Executive Director |
4,163
-0.7%
1.30USD 5,412 |
4,163 -0.7% | 1.30 | USD 5,412 | |
| 2023-08-30 | 2023-08-28 | S Sale |
Chief Legal Officer Officer |
1,854
-0.6%
1.26USD 2,336 |
1,854 -0.6% | 1.26 | USD 2,336 | |
| 2023-08-30 | 2023-08-28 | S Sale | Non-Executive Director |
9,040
-1.1%
1.26USD 11,390 |
9,040 -1.1% | 1.26 | USD 11,390 | |
| 2023-08-30 | 2023-08-28 | S Sale |
CEO and President Executive Director |
1,854
-0.3%
1.26USD 2,336 |
1,854 -0.3% | 1.26 | USD 2,336 | |
| 2023-08-30 | 2023-08-28 | S Sale |
Chief Development Officer Officer |
1,854
-0.6%
1.26USD 2,336 |
1,854 -0.6% | 1.26 | USD 2,336 | |
| 2023-02-06 | 2023-02-03 | S Sale |
CEO and President Executive Director |
12,286
-1.5%
1.81USD 22,238 |
12,286 -1.5% | 1.81 | USD 22,238 | |
| 2023-02-03 | 2023-02-02 | S Sale |
Chief Legal Officer Officer |
3,394
-1.0%
1.86USD 6,313 |
3,394 -1.0% | 1.86 | USD 6,313 | |
| 2023-02-03 | 2023-02-02 | S Sale |
Chief Operating Officer Officer |
3,394
-1.0%
1.86USD 6,313 |
3,394 -1.0% | 1.86 | USD 6,313 | |
| 2023-02-03 | 2023-02-02 | PS Planned sale |
Chief Financial Officer Officer |
9,504
-3.0%
1.83USD 17,372 |
9,504 -3.0% | 1.83 | USD 17,372 | |
| 2022-09-26 | 2022-09-22 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
566,284
-14.2%
2.25USD 1,274,309 |
566,284 -14.2% | 2.25 | USD 1,274,309 | |
| 2022-09-26 | 2022-09-22 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
1,335,512
-25.1%
2.25USD 3,005,303 |
1,335,512 -25.1% | 2.25 | USD 3,005,303 | |
| 2022-08-30 | 2022-08-29 | PS Planned sale |
Chief Financial Officer Officer |
6,017
-9.7%
0.89USD 5,378 |
6,017 -9.7% | 0.89 | USD 5,378 | |
| 2022-04-28 | 2022-04-26 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
39,727
+0.8%
5.24USD 207,971 |
39,727 +0.8% | 5.24 | USD 207,971 | |
| 2022-03-16 | 2022-03-14 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
8,006
+0.2%
7.63USD 61,054 |
8,006 +0.2% | 7.63 | USD 61,054 | |
| 2022-03-16 | 2022-03-14 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
15,702
+0.3%
7.63USD 119,743 |
15,702 +0.3% | 7.63 | USD 119,743 | |
| 2022-03-02 | 2022-02-28 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
15,104
+0.3%
9.53USD 143,931 |
15,104 +0.3% | 9.53 | USD 143,931 | |
| 2022-03-02 | 2022-02-28 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
29,729
+0.6%
9.53USD 283,297 |
29,729 +0.6% | 9.53 | USD 283,297 | |
| 2022-02-23 | 2022-02-18 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
14,828
+0.3%
9.24USD 137,039 |
14,828 +0.3% | 9.24 | USD 137,039 | |
| 2022-02-01 | 2022-01-31 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
125,000
+2.5%
11.59USD 1,448,263 |
125,000 +2.5% | 11.59 | USD 1,448,263 | |
| 2022-01-26 | 2022-01-24 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
1,599
+0.0%
10.89USD 17,418 |
1,599 +0.0% | 10.89 | USD 17,418 | |
| 2022-01-20 | 2022-01-18 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
48,488
+1.0%
12.41USD 601,964 |
48,488 +1.0% | 12.41 | USD 601,964 | |
| 2022-01-12 | 2022-01-10 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
8,867
+0.2%
12.93USD 114,609 |
8,867 +0.2% | 12.93 | USD 114,609 | |
| 2022-01-03 | 2021-12-31 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
125,000
+2.6%
15.75USD 1,969,025 |
125,000 +2.6% | 15.75 | USD 1,969,025 | |
| 2022-01-03 | 2021-12-30 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
50,000
+1.0%
15.77USD 788,610 |
50,000 +1.0% | 15.77 | USD 788,610 | |
| 2022-01-03 | 2021-12-29 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
75,493
+1.6%
14.64USD 1,105,263 |
75,493 +1.6% | 14.64 | USD 1,105,263 | |
| 2021-11-02 | 2021-10-29 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
150,000
+3.3%
17.53USD 2,630,175 |
150,000 +3.3% | 17.53 | USD 2,630,175 | |
| 2021-10-04 | 2021-09-30 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
134,543
+3.0%
18.65USD 2,509,173 |
134,543 +3.0% | 18.65 | USD 2,509,173 | |
| 2021-09-01 | 2021-08-31 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
48,645
+1.1%
18.93USD 920,660 |
48,645 +1.1% | 18.93 | USD 920,660 | |
| 2021-09-01 | 2021-08-30 | B Purchase |
Aquilo Capital Management, LLC Large shareholder |
44,042
+1.0%
17.87USD 786,859 |
44,042 +1.0% | 17.87 | USD 786,859 | |
| 2021-02-10 | 2021-02-08 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
3,000
-0.1%
21.74USD 65,215 |
3,000 -0.1% | 21.74 | USD 65,215 | |
| 2021-02-04 | 2021-02-04 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
34,144
-0.9%
18.99USD 648,255 |
34,144 -0.9% | 18.99 | USD 648,255 | |
| 2021-02-04 | 2021-02-03 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
29,354
-0.8%
18.98USD 557,101 |
29,354 -0.8% | 18.98 | USD 557,101 | |
| 2021-02-04 | 2021-02-02 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
22,841
-0.6%
18.99USD 433,771 |
22,841 -0.6% | 18.99 | USD 433,771 | |
| 2021-02-04 | 2021-02-01 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
13,661
-0.3%
19.24USD 262,861 |
13,661 -0.3% | 19.24 | USD 262,861 | |
| 2020-12-18 | 2020-12-17 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
250,000
-6.0%
18.81USD 4,703,225 |
250,000 -6.0% | 18.81 | USD 4,703,225 | |
| 2020-12-18 | 2020-12-16 | PS Planned sale |
Chief Operating Officer Officer |
12,000
-88.9%
19.00USD 228,000 |
12,000 -88.9% | 19.00 | USD 228,000 | |
| 2020-12-18 | 2020-12-16 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
14,933
-0.4%
18.62USD 278,035 |
14,933 -0.4% | 18.62 | USD 278,035 | |
| 2020-11-10 | 2020-11-09 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
125,900
-2.9%
13.77USD 1,734,071 |
125,900 -2.9% | 13.77 | USD 1,734,071 | |
| 2020-11-06 | 2020-11-06 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
5,000
-0.1%
13.77USD 68,874 |
5,000 -0.1% | 13.77 | USD 68,874 | |
| 2020-11-06 | 2020-11-05 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
96,600
-2.2%
13.98USD 1,350,333 |
96,600 -2.2% | 13.98 | USD 1,350,333 | |
| 2020-11-06 | 2020-11-04 | S Sale |
Aquilo Capital Management, LLC Large shareholder |
72,500
-1.6%
14.26USD 1,033,741 |
72,500 -1.6% | 14.26 | USD 1,033,741 | |
| 2020-11-05 | 2020-11-04 | PS Planned sale |
CEO and President Executive Director |
7,370
-10.1%
14.43USD 106,335 |
7,370 -10.1% | 14.43 | USD 106,335 | |
| 2020-11-05 | 2020-11-03 | PS Planned sale |
CEO and President Executive Director |
2,137
-3.1%
14.27USD 30,490 |
2,137 -3.1% | 14.27 | USD 30,490 | |
| 2020-10-27 | 2020-10-23 | PS Planned sale |
CEO and President Executive Director |
20
-0.0%
14.25USD 285 |
20 -0.0% | 14.25 | USD 285 | |
| 2020-10-15 | 2020-10-14 | PS Planned sale |
CEO and President Executive Director |
105
-0.2%
14.25USD 1,496 |
105 -0.2% | 14.25 | USD 1,496 | |
| 2020-10-15 | 2020-10-13 | PS Planned sale |
CEO and President Executive Director |
14,367
-17.9%
14.28USD 205,212 |
14,367 -17.9% | 14.28 | USD 205,212 | |
| 2020-09-10 | 2020-09-08 | PS Planned sale |
CEO and President Executive Director |
774
-1.2%
14.25USD 11,030 |
774 -1.2% | 14.25 | USD 11,030 | |
| 2020-07-09 | 2020-07-09 | PS Planned sale |
CEO and President Executive Director |
2,293
-3.4%
14.31USD 32,807 |
2,293 -3.4% | 14.31 | USD 32,807 | |
| 2020-07-09 | 2020-07-07 | PS Planned sale |
CEO and President Executive Director |
754
-1.1%
14.25USD 10,745 |
754 -1.1% | 14.25 | USD 10,745 | |
| 2018-07-17 | 2018-07-17 | B Purchase |
GLAXOSMITHKLINE PLC Large shareholder |
80,000
+4.3%
12.50USD 1,000,000 |
80,000 +4.3% | 12.50 | USD 1,000,000 | |
| 2018-07-06 | 2018-07-06 | PS Planned sale |
Mahadevia Ankit See Remarks Executive Director |
200
-0.3%
17.92USD 3,584 |
200 -0.3% | 17.92 | USD 3,584 | |
| 2018-07-06 | 2018-07-06 | PS Planned sale |
Mahadevia Ankit See Remarks Executive Director |
200
-0.3%
17.90USD 3,580 |
200 -0.3% | 17.90 | USD 3,580 |