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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
SPERO THERAPEUTICS INC: SPRO

Price: 3/22/24 52-Wk
High
52-Wk
Low
Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)
Ind. Yield Short Int
% Float
Inst. Owned Insider Owned
$1.75 $2.00 $0.99 $94 54 318 0.0% 1.3% 26.08% 20.35%
Exch Sector Industry Sub-Industry
NasdaqGS Services Educational Services Services- Educational Services
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
CEO,PR,DIR
AS
$107,719
75,994
2/2/24
2/5/24
$1.37
$1.45
1,176,007
-6.1
D
R,10b
2/5/24 - 8:40:36 pm
2
    
 
COO
S
$42,121
30,971
---
2/2/24
---
$1.36
534,050
-5.5
D
R
2/5/24 - 8:53:34 pm
3
1y
6
17%
12%
DIR
S
$87,399
63,795
---
2/2/24
---
$1.37
744,997
-7.9
D
R
2/5/24 - 8:50:09 pm
4
3m
1
0%
3%
LO
S
$42,341
30,906
---
2/2/24
---
$1.37
531,615
-5.5
D
R
2/5/24 - 8:48:40 pm
5
    
 
O
S
$38,463
28,075
---
2/2/24
---
$1.37
788,117
-3.4
D
R
2/5/24 - 8:45:12 pm
6
    
 
COO
JB
---
239,731
---
2/1/24
---
---
565,021
73.7
D
R
2/5/24 - 8:53:34 pm
7
    
 
LO
JB
---
239,731
---
2/1/24
---
---
562,521
74.3
D
R
2/5/24 - 8:48:40 pm
8
    
 
O
JB
---
239,731
---
2/1/24
---
---
816,192
41.6
D
R
2/5/24 - 8:45:12 pm
9
    
 
O
JB
---
119,866
---
2/1/24
---
---
419,866
40.0
D
R
2/5/24 - 8:44:28 pm
10
    
 
CEO,PR,DIR
JB
---
679,501
---
2/1/24
---
---
1,252,001
118.7
D
R,10b
2/5/24 - 8:40:36 pm
11
    
 
O
JB
---
300,000
---
11/13/23
---
---
300,000
New
D
R
11/15/23 - 4:17:15 pm
12
    
 
O
3
---
---
---
11/6/23
---
---
---
---
---
---
11/15/23 - 4:15:04 pm
13
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
35,000
133.3
D
R
10/10/23 - 5:43:17 pm
14
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
35,000
133.3
D
R
10/10/23 - 5:40:04 pm
15
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
35,000
133.3
D
R
10/10/23 - 5:39:37 pm
16
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
51,454
63.6
D
R
10/10/23 - 5:34:59 pm
17
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
35,000
133.3
D
R
10/10/23 - 5:29:20 pm
18
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
35,000
133.3
D
R
10/10/23 - 5:28:36 pm
19
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
35,000
133.3
D
R
10/10/23 - 5:19:44 pm
20
    
 
DIR
JB
---
20,000
---
10/5/23
---
---
808,792
2.5
D
R
10/10/23 - 5:18:36 pm
21
    
 
O
S
$50,160
39,496
---
9/13/23
---
$1.27
576,461
-6.4
D
R
9/15/23 - 5:47:27 pm
22
    
 
CEO,PR,DIR
AS
$7,748
6,017
8/28/23
8/29/23
$1.26
$1.30
572,500
-1.0
D
R,10b
8/30/23 - 4:20:21 pm
23
    
 
O
S
$2,336
1,854
---
8/28/23
---
$1.26
325,290
-0.6
D
R
8/30/23 - 4:23:33 pm
24
3m
1
0%
3%
LO
S
$2,336
1,854
---
8/28/23
---
$1.26
322,790
-0.6
D
R
8/30/23 - 4:22:54 pm
25
1y
6
17%
12%
DIR
S
$11,390
9,040
---
8/28/23
---
$1.26
788,792
-1.1
D
R
8/30/23 - 4:21:03 pm
26
    
 
CEO,PR,DIR
JB
---
266,000
---
8/1/23
---
---
578,517
85.1
D
R
8/3/23 - 4:10:53 pm
27
    
 
O
3
---
---
---
7/15/23
---
---
---
---
---
---
7/24/23 - 4:46:28 pm
28
    
 
O
JB
---
140,000
---
6/12/23
---
---
615,957
29.4
D
R
6/14/23 - 8:30:39 am
29
1y
6
17%
12%
CEO,PR,DIR
S
$22,238
12,286
---
2/3/23
---
$1.81
797,832
-1.5
D
R
2/6/23 - 4:15:11 pm
30
    
 
COO
S
$6,313
3,394
---
2/2/23
---
$1.86
327,144
-1.0
D
R
2/3/23 - 7:43:51 pm
31
3m
1
0%
3%
LO
S
$6,313
3,394
---
2/2/23
---
$1.86
324,644
-1.0
D
R
2/3/23 - 7:43:02 pm
32
    
 
CFO
AS
$17,372
9,504
---
2/2/23
---
$1.83
312,517
-3.0
D
R,10b
2/3/23 - 7:41:41 pm
33
    
 
COO
JB
---
265,957
---
2/1/23
---
---
330,538
411.8
D
R
2/3/23 - 7:43:51 pm
34
    
 
LO
JB
---
265,957
---
2/1/23
---
---
328,038
428.4
D
R
2/3/23 - 7:43:02 pm
35
    
 
CFO
JB
---
265,957
---
2/1/23
---
---
322,021
474.4
D
R,10b
2/3/23 - 7:41:41 pm
36
    
 
O
JB
---
265,957
---
2/1/23
---
---
475,957
126.6
D
R
2/3/23 - 7:40:15 pm
37
    
 
CEO,PR,DIR
JB
---
531,914
---
2/1/23
---
---
810,118
191.2
D
R
2/3/23 - 7:38:32 pm
38
    
 
BO
3
---
---
---
11/7/22
---
---
9,190,606
---
I
---
11/14/22 - 5:05:12 pm
39
    
 
BO
S
$4,279,612
1,901,796
---
9/22/22
---
$2.25
3,419,435
-35.7
I
---
9/26/22 - 3:32:06 pm
40
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
15,000
New
D
R
9/19/22 - 5:45:11 pm
41
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
31,454
91.2
D
R
9/19/22 - 5:44:40 pm
42
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
15,000
New
D
R
9/19/22 - 5:44:15 pm
43
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
15,000
New
D
R
9/19/22 - 5:44:01 pm
44
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
15,000
New
D
R
9/19/22 - 5:40:47 pm
45
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
15,000
New
D
R
9/19/22 - 5:39:50 pm
46
    
 
DIR
JB
---
15,000
---
9/15/22
---
---
15,000
New
D
R
9/19/22 - 5:39:12 pm
47
    
 
O
JB
---
210,000
---
9/12/22
---
---
210,000
New
D
R
9/14/22 - 9:49:29 pm
48
    
 
O
3
---
---
---
9/12/22
---
---
---
---
---
---
9/14/22 - 9:45:56 pm
49
    
 
CFO
AS
$5,378
6,017
---
8/29/22
---
$0.89
56,064
-9.7
D
10b
8/30/22 - 5:00:13 pm
50
    
 
BO
B
$207,971
39,727
---
4/26/22
---
$5.24
5,321,231
0.8
I
---
4/28/22 - 4:13:08 pm
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