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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:
ALECTOR INC: ALEC
Price: 12/20/24 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
$1.86 $8.90 $1.73 $182 98 1,080 0.0% 7.8% 95.87% 9.97%
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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
1y
2
100%
-13%
8
MCGUIRE TERRANCE
DIR,BO
S
$3,000,000
500,000
---
9/11/23
---
$6.00
10,853,817
-4.4
I
R
9/13/23 - 4:29:03 pm
2
    
 
ROSENTHAL ARNON
CEO,DIR
S
$29,333
5,647
---
9/5/23
---
$5.19
1,645,448
-0.3
D
---
9/6/23 - 7:18:11 pm
3
    
 
KENKARE MITRA SARA
PR
S
$32,277
6,214
---
9/5/23
---
$5.19
177,935
-3.4
D
R
9/6/23 - 7:17:27 pm
4
    
 
ROMANO GARY
O
S
$14,393
2,771
---
9/5/23
---
$5.19
99,349
-2.7
D
R
9/6/23 - 7:16:22 pm
5
    
 
GRASSO MARC
CFO
S
$5,786
1,114
---
9/5/23
---
$5.19
32,247
-3.3
D
R
9/6/23 - 7:14:40 pm
6
    
 
MCGUIRE TERRANCE
DIR,BO
JS
---
598,533
---
8/22/23
---
---
---
All
I
R
8/24/23 - 5:34:08 pm
7
    
 
MCGUIRE TERRANCE
DIR,BO
JB
---
111,666
---
8/22/23
---
---
98,553
---
I
R
8/24/23 - 5:34:08 pm
8
    
 
MCGUIRE TERRANCE
DIR,BO
JB
---
6,429
---
8/22/23
---
---
54,996
13.2
D
R
8/24/23 - 5:34:08 pm
9
    
 
POLARIS VENTURE MANAGEMENT CO VI L L C
BO
JS
---
500,000
---
8/22/23
---
---
11,353,817
-4.2
I
---
8/24/23 - 5:26:24 pm
10
    
 
POLARIS VENTURE MANAGEMENT CO VI L L C
BO
JS
---
98,533
---
8/22/23
---
---
---
All
D
---
8/24/23 - 5:26:24 pm
11
    
 
POLARIS VENTURE MANAGEMENT CO VI L L C
BO
JB
---
98,533
---
8/22/23
---
---
98,533
New
D
---
8/24/23 - 5:26:24 pm
12
    
 
SCHELLER RICHARD H
DIR
JB
---
8,541
---
7/15/23
---
---
44,250
23.9
D
R
2/14/24 - 5:58:22 pm
13
    
 
GERNGROSS TILLMAN U
DIR
JB
---
26,250
---
6/14/23
---
---
2,644,319
1.0
D
R
6/15/23 - 4:04:03 pm
14
    
 
MCGUIRE TERRANCE
DIR,BO
JB
---
26,250
---
6/14/23
---
---
48,567
117.6
D
R
6/15/23 - 4:03:29 pm
15
    
 
WEHNER DAVID M
DIR
JB
---
26,250
---
6/14/23
---
---
80,330
48.5
D
R
6/15/23 - 4:03:04 pm
16
    
 
YAFFE KRISTINE
DIR
JB
---
26,250
---
6/14/23
---
---
35,709
277.5
D
R
6/15/23 - 4:03:00 pm
17
    
 
LAVIGNE LOUIS J JR
DIR
JB
---
26,250
---
6/14/23
---
---
35,709
277.5
D
R
6/15/23 - 4:02:21 pm
18
    
 
SCHELLER RICHARD H
DIR
JB
---
26,250
---
6/14/23
---
---
35,709
277.5
D
R
6/15/23 - 4:02:19 pm
19
    
 
HAMMOND PAULA
DIR
JB
---
26,250
---
6/14/23
---
---
35,709
277.5
D
R
6/15/23 - 4:01:43 pm
20
    
 
GAROFALO ELIZABETH A
DIR
JB
---
26,250
---
6/14/23
---
---
35,709
277.5
D
R
6/15/23 - 4:01:11 pm
21
    
 
KENKARE MITRA SARA
PR
S
$28,250
4,092
---
6/2/23
---
$6.90
184,149
-2.2
D
R
6/5/23 - 6:54:05 pm
22
    
 
GRASSO MARC
CFO
S
$7,249
1,050
---
6/2/23
---
$6.90
33,361
-3.1
D
R
6/5/23 - 6:52:20 pm
23
    
 
ROMANO GARY
O
S
$18,067
2,617
---
6/2/23
---
$6.90
102,120
-2.5
D
R
6/5/23 - 6:50:02 pm
24
    
 
ROSENTHAL ARNON
CEO,DIR
S
$36,279
5,255
---
6/2/23
---
$6.90
1,651,095
-0.3
D
---
6/5/23 - 6:48:17 pm
25
    
 
ROSENTHAL ARNON
CEO,DIR
S
$94,428
15,186
---
3/17/23
---
$6.22
1,656,350
-0.9
D
R
3/21/23 - 8:35:09 pm
26
    
 
ROSENTHAL ARNON
CEO,DIR
JB
---
42,990
---
3/3/23
---
---
1,671,536
2.6
D
R
3/21/23 - 8:35:09 pm
27
    
 
ROMANO GARY
O
S
$26,933
3,238
---
3/2/23
---
$8.32
104,737
-3.0
D
R
3/3/23 - 8:56:51 pm
28
    
 
KENKARE MITRA SARA
PR
S
$84,216
10,124
---
3/2/23
---
$8.32
188,241
-5.1
D
R
3/3/23 - 8:53:57 pm
29
    
 
GRASSO MARC
CFO
S
$10,739
1,291
---
3/2/23
---
$8.32
34,411
-3.6
D
R
3/3/23 - 8:49:54 pm
30
    
 
ROSENTHAL ARNON
CEO,DIR
S
$48,651
5,849
---
3/2/23
---
$8.32
1,628,546
-0.4
D
R
3/3/23 - 8:47:21 pm
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