Real time insider trading transaction history:

  • Insiders are prohibited 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 Spero Therapeutics Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2022-04-26
Purchase
2022-04-28
4:13 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
39,727 $5.235 $207,971 5,321,231
(Indirect)
View
2022-03-30
Purchase
2022-03-31
3:51 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
50,000 $8.7884 $439,420 5,281,504
(Indirect)
View
2022-03-14
Purchase
2022-03-16
4:23 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
23,708 $7.626 $180,797 5,231,504
(Indirect)
View
2022-02-28
Purchase
2022-03-02
3:52 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
44,833 $9.5293 $427,227 5,207,796
(Indirect)
View
2022-02-18
Purchase
2022-02-23
4:24 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
14,828 $9.2419 $137,039 5,162,963
(Indirect)
View
2022-01-31
Purchase
2022-02-01
8:26 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
125,000 $11.59 $1,448,263 5,148,135
(Indirect)
View
2022-01-24
Purchase
2022-01-26
5:12 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
1,599 $10.89 $17,418 5,023,135
(Indirect)
View
2022-01-18
Purchase
2022-01-20
1:07 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
48,488 $12.41 $601,964 5,021,536
(Indirect)
View
2022-01-10
Purchase
2022-01-12
4:43 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
8,867 $12.93 $114,609 4,973,048
(Indirect)
View
2021-12-29
Purchase
2022-01-03
2:46 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
250,493 $15.42 $3,862,898 4,964,181
(Indirect)
View
2021-12-27
Sale
2021-12-29
6:26 pm
Spero Therapeutics Inc. SPRO Mahadevia Ankit
CEO
8,000 $14.58 $116,666 630,845
(Direct)
View
2021-10-29
Purchase
2021-11-02
5:47 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
150,000 $17.53 $2,630,175 4,713,688
(Indirect)
View
2021-09-30
Purchase
2021-10-04
11:36 am
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
134,543 $18.65 $2,509,173 4,563,688
(Indirect)
View
2021-09-13
Purchase
2021-09-15
7:21 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
46,366 $18.56 $860,547 4,429,145
(Indirect)
View
2021-09-09
Purchase
2021-09-10
5:21 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
24,749 $18.5 $457,792 4,382,779
(Indirect)
View
2021-08-30
Purchase
2021-09-01
5:42 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
92,687 $18.42 $1,707,519 4,358,030
(Indirect)
View
2021-08-26
Purchase
2021-08-27
5:11 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
36,939 $16.67 $615,854 4,265,343
(Indirect)
View
2021-08-20
Purchase
2021-08-24
4:28 pm
Spero Therapeutics Inc. SPRO Aquilo Capital Management LLC
Aquilo Capital L.P.
10% Owner
399,195 $15.51 $6,192,042 4,228,404
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2022-02-01
Option Award
2022-02-03
4:19 pm
N/A
2032-02-01
Spero Therapeutics Inc. SPRO Melnick David A.
Chief Medical Officer
91,204 $0 115,271
(Direct)
View
2022-02-01
Option Award
2022-02-03
4:19 pm
N/A
2032-02-01
Spero Therapeutics Inc. SPRO Shukla Sath
CFO
91,204 $0 115,271
(Direct)
View
2022-02-01
Option Award
2022-02-03
4:18 pm
N/A
2032-02-01
Spero Therapeutics Inc. SPRO Larkin Cristina
Chief Operating Officer
91,204 $0 116,771
(Direct)
View
2022-02-01
Option Award
2022-02-03
4:18 pm
N/A
2032-02-01
Spero Therapeutics Inc. SPRO Mahadevia Ankit
CEO
321,898 $0 465,934
(Direct)
View
2022-02-01
Option Award
2022-02-03
4:18 pm
N/A
2032-02-01
Spero Therapeutics Inc. SPRO Keutzer Timothy
Chief Development Officer
91,204 $0 117,771
(Direct)
View
2022-02-01
Option Award
2022-02-03
4:17 pm
N/A
2032-02-01
Spero Therapeutics Inc. SPRO JOSEPH TAMARA L
Chief Legal Officer
91,204 $0 115,271
(Direct)
View
2022-01-05
Option Award
2022-01-07
5:13 pm
N/A
2032-01-05
Spero Therapeutics Inc. SPRO Tregoning Kathleen
Director
4,428 $9.03 4,428
(Direct)
View
2022-01-05
Option Award
2022-01-07
5:09 pm
N/A
2032-01-05
Spero Therapeutics Inc. SPRO THOMAS FRANK E
Director
2,214 $9.03 2,214
(Direct)
View
2022-01-05
Option Award
2022-01-07
5:07 pm
N/A
2032-01-05
Spero Therapeutics Inc. SPRO VINK PATRICK V.J.J.
Director
2,214 $9.03 2,214
(Direct)
View
2021-12-27
Exercise
2021-12-29
6:26 pm
N/A
N/A
Spero Therapeutics Inc. SPRO Mahadevia Ankit
CEO
8,000 $5.9 630,845
(Direct)
View
2021-12-27
Exercise
2021-12-29
6:26 pm
N/A
2027-07-05
Spero Therapeutics Inc. SPRO Mahadevia Ankit
CEO
8,000 $0 630,845
(Direct)
View
2021-11-11
Option Award
2021-11-12
4:14 pm
N/A
2031-11-11
Spero Therapeutics Inc. SPRO Tregoning Kathleen
Director
15,000 $0 15,000
(Direct)
View
2021-08-26
Option Award
2021-08-30
4:15 pm
N/A
N/A
Spero Therapeutics Inc. SPRO Melnick David A.
Chief Medical Officer
24,067 $0 24,067
(Direct)
View
2021-08-26
Option Award
2021-08-30
4:15 pm
N/A
N/A
Spero Therapeutics Inc. SPRO Mahadevia Ankit
CEO
78,219 $0 144,036
(Direct)
View
2021-08-26
Option Award
2021-08-30
4:15 pm
N/A
N/A
Spero Therapeutics Inc. SPRO Larkin Cristina
Chief Operating Officer
24,067 $0 25,567
(Direct)
View
2021-08-26
Option Award
2021-08-30
4:15 pm
N/A
N/A
Spero Therapeutics Inc. SPRO JOSEPH TAMARA L
Chief Legal Officer
24,067 $0 24,067
(Direct)
View
2021-08-26
Option Award
2021-08-30
4:15 pm
N/A
N/A
Spero Therapeutics Inc. SPRO Keutzer Timothy
Chief Development Officer
24,067 $0 26,567
(Direct)
View
2021-08-26
Option Award
2021-08-30
4:15 pm
N/A
N/A
Spero Therapeutics Inc. SPRO Shukla Sath
CFO
24,067 $0 24,067
(Direct)
View
2021-08-17
Option Award
2021-08-18
5:07 pm
N/A
2031-08-17
Spero Therapeutics Inc. SPRO Pottage John C Jr
Director
7,500 $0 7,500
(Direct)
View
2021-08-17
Option Award
2021-08-18
5:06 pm
N/A
2031-08-27
Spero Therapeutics Inc. SPRO Smith Cynthia
Director
7,500 $0 7,500
(Direct)
View
2021-08-17
Option Award
2021-08-18
4:56 pm
N/A
2031-08-17
Spero Therapeutics Inc. SPRO Deshpande Milind
Director
7,500 $0 7,500
(Direct)
View
2021-08-17
Option Award
2021-08-18
4:55 pm
N/A
2031-08-17
Spero Therapeutics Inc. SPRO THOMAS FRANK E
Director
7,500 $0 7,500
(Direct)
View
2021-08-17
Option Award
2021-08-18
4:52 pm
N/A
2031-08-17
Spero Therapeutics Inc. SPRO VINK PATRICK V.J.J.
Director
7,500 $0 7,500
(Direct)
View
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