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Detailed Insider History For:
'RA CAPITAL MANAGEMENT L P'

<<PREV
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Insider Statistics
T N H M S
Insider Title
Company Name
Ticker
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
SIC Code
SIC Sector
SIC Industry
SIC Sub-Industry
Input Date
1
1y
1
0%
-71%
66
DIR,BO
ARTIVA BIOTHERAPEUTICS INC
ARTV
B
$292,126
32,876
6/25/26
6/26/26
$8.88
$8.98
16,795,920
0.2
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/29/26 - 4:20:33 pm
2
    
 
BO
SOLID BIOSCIENCES INC
SLDB
3
---
---
---
6/22/26
---
---
11,897,896
---
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/24/26 - 6:50:25 pm
3
    
 
BO
SOLID BIOSCIENCES INC
SLDB
3
---
---
---
6/22/26
---
---
28,569
---
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/24/26 - 6:50:25 pm
4
    
 
BO
SOLID BIOSCIENCES INC
SLDB
3
---
---
---
6/22/26
---
---
109,661
---
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/24/26 - 6:50:25 pm
5
1m
1
100%
-38%
66
BO
WEREWOLF THERAPEUTICS INC
HOWL
S
$145,919
416,911
---
6/17/26
---
---
303,719
-57.9
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/22/26 - 6:59:23 pm
6
1m
6
83%
1%
66
BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
B
$1,689,819
67,669
6/15/26
6/16/26
$24.89
$24.98
6,444,637
1.1
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/17/26 - 6:24:22 pm
7
1y
1
0%
-71%
66
DIR,BO
ARTIVA BIOTHERAPEUTICS INC
ARTV
B
$4,599,904
531,326
6/12/26
6/16/26
$8.57
$8.89
16,763,043
3.3
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/16/26 - 6:08:15 pm
8
1m
1
100%
-38%
66
BO
WEREWOLF THERAPEUTICS INC
HOWL
S
$55,361
149,625
---
6/16/26
---
---
331,414
-31.1
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/16/26 - 6:01:18 pm
9
1m
1
100%
-38%
66
BO
WEREWOLF THERAPEUTICS INC
HOWL
S
$118,397
299,211
6/12/26
6/15/26
---
---
341,353
-46.7
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/16/26 - 6:01:18 pm
10
1w
1
100%
10%
66
DIR,BO
PARABILIS MEDICINES INC
PBLS
JB*
$423,775,008
21,188,750
---
6/11/26
---
$20.00
26,285,092
415.8
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/15/26 - 6:57:49 pm
11
    
 
DIR,BO
PARABILIS MEDICINES INC
PBLS
JB
---
7,744,621
---
6/11/26
---
---
6,556,740
---
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/15/26 - 6:57:49 pm
12
    
 
DIR,BO
JANUX THERAPEUTICS INC
JANX
JB
---
5,500
---
6/11/26
---
---
11,750
88.0
I
R
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/12/26 - 8:30:48 pm
13
1m
1
100%
-38%
66
BO
WEREWOLF THERAPEUTICS INC
HOWL
S
$253,569
678,226
6/9/26
6/11/26
---
---
361,229
-65.2
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/11/26 - 8:13:56 pm
14
1y
1
0%
-71%
66
DIR,BO
ARTIVA BIOTHERAPEUTICS INC
ARTV
B
$7,650,149
1,027,722
6/9/26
6/11/26
$6.91
$7.91
16,231,717
6.8
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/11/26 - 7:36:33 pm
15
    
 
DIR
PARABILIS MEDICINES INC
PBLS
3
---
---
---
6/9/26
---
---
---
---
---
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
6/9/26 - 9:30:27 pm
16
    
 
DIR,BO
ACUMEN PHARMACEUTICALS INC
ABOS
JB
---
35,500
---
6/3/26
---
---
48,300
277.3
I
R
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
6/5/26 - 5:12:37 pm
17
1m
6
83%
1%
66
BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
B
$119,776
4,798
5/19/26
5/20/26
---
$24.94
6,376,968
0.1
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/21/26 - 4:20:00 pm
18
    
 
DIR,BO
ACRIVON THERAPEUTICS INC
ACRV
JB
---
9,366
---
5/18/26
---
---
9,366
New
I
R
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
5/20/26 - 4:59:55 pm
19
1m
6
83%
1%
66
BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
B
$159,036
6,387
---
5/12/26
---
$24.90
6,372,170
0.1
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/14/26 - 5:21:00 pm
20
1m
1
100%
-38%
66
BO
WEREWOLF THERAPEUTICS INC
HOWL
S
$390,688
565,167
5/8/26
5/12/26
---
---
406,282
-58.2
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
5/12/26 - 6:26:28 pm
21
1y
1
0%
-71%
66
DIR,BO
ARTIVA BIOTHERAPEUTICS INC
ARTV
JB*
$74,999,992
6,510,416
---
5/11/26
---
$11.52
15,203,995
74.9
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/13/26 - 5:45:56 pm
22
1m
6
83%
1%
66
BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
B
$346,226
14,149
---
5/11/26
---
$24.47
6,340,063
0.2
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/11/26 - 5:44:01 pm
23
1m
6
83%
1%
66
BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
B
$922,368
37,109
5/7/26
5/11/26
$24.34
$25.00
6,365,783
0.6
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/11/26 - 5:44:01 pm
24
1m
6
83%
1%
66
DIR,BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
B
$4,072,946
165,429
5/5/26
5/6/26
$23.77
$24.83
6,314,525
2.7
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/6/26 - 7:16:36 pm
25
1m
6
83%
1%
66
DIR,BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
JB*
$48,150,000
2,675,000
---
5/4/26
---
$18.00
6,149,096
77.0
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/6/26 - 7:16:36 pm
26
    
 
DIR,BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
JB
---
4,838,086
---
5/4/26
---
---
3,607,846
---
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
5/6/26 - 7:16:36 pm
27
    
 
DIR,BO
HEMAB THERAPEUTICS HOLDINGS INC
COAG
3
---
---
---
4/30/26
---
---
---
---
---
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/30/26 - 6:36:31 pm
28
    
 
BO
ADICET BIO INC
ACET
JS
---
250,000
---
4/27/26
---
---
932,624
-21.1
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
4/29/26 - 4:15:10 pm
29
    
 
BO
PRELUDE THERAPEUTICS INC
PRLD
JS
---
1,407,000
---
4/27/26
---
---
6,475,882
-17.8
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
4/28/26 - 5:14:55 pm
30
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
S
$2,604,416
165,150
---
4/22/26
---
$15.77
2,402,095
-6.4
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/24/26 - 6:12:56 pm
31
    
 
DIR,BO
ACRIVON THERAPEUTICS INC
ACRV
JB
$6,999,999
3,888,888
---
4/22/26
---
$1.80
11,803,094
49.1
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
4/23/26 - 4:28:10 pm
32
    
 
BO
PRELUDE THERAPEUTICS INC
PRLD
3
---
---
---
4/21/26
---
---
7,882,882
---
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
4/28/26 - 5:13:28 pm
33
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
S
$10,174,788
630,374
4/17/26
4/20/26
---
$15.77
2,567,245
-19.7
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/21/26 - 7:04:06 pm
34
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
S
$3,313,989
207,379
4/14/26
4/15/26
$15.97
$16.01
3,197,619
-6.1
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/15/26 - 5:29:35 pm
35
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
JS*
$8,569,352
530,610
---
4/13/26
---
$16.15
3,404,998
-13.5
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/15/26 - 5:29:35 pm
36
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
S
$10,233,811
620,133
4/8/26
4/10/26
---
$15.75
3,935,608
-13.6
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/10/26 - 6:23:49 pm
37
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
S
$8,878,319
537,754
---
4/6/26
---
$16.51
4,607,244
-10.5
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/6/26 - 6:51:05 pm
38
6m
5
100%
-44%
66
DIR,BO
VOR BIOPHARMA INC
VOR
S
$5,640,645
311,503
4/2/26
4/6/26
$17.31
$18.50
4,555,741
-6.4
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
4/6/26 - 6:51:05 pm
39
1y
2
50%
32%
66
DIR
MINERALYS THERAPEUTICS INC
MLYS
B
$8,762,797
369,000
3/27/26
3/30/26
$23.67
$24.16
5,825,521
6.8
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
3/31/26 - 4:15:12 pm
40
1y
5
80%
80%
66
DIR,BO
WAVE LIFE SCIENCES LTD
WVE
B
$54,624,376
8,772,496
3/26/26
3/30/26
$6.06
$6.50
26,975,504
48.2
I
R
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
3/30/26 - 8:30:55 pm
41
    
 
DIR,BO
ACUMEN PHARMACEUTICALS INC
ABOS
JB
$20,000,000
6,060,606
---
3/16/26
---
$3.30
19,103,784
46.5
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
3/18/26 - 4:15:17 pm
42
1y
1
0%
-57%
66
DIR,BO
BICARA THERAPEUTICS INC
BCAX
JB*
$4,800,000
300,000
---
2/26/26
---
$16.00
4,603,418
7.0
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
3/2/26 - 4:22:58 pm
43
1m
1
100%
19%
66
BO
ADICET BIO INC
ACET
B
$1,603,934
223,596
2/18/26
2/20/26
$7.04
$7.27
1,182,624
23.3
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
4/13/26 - 5:20:58 pm
44
    
 
DIR
MINERALYS THERAPEUTICS INC
MLYS
JB
---
6,200
---
2/19/26
---
---
6,200
New
I
R
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
2/20/26 - 7:49:59 pm
45
    
 
BO
ADICET BIO INC
ACET
3
---
---
---
2/17/26
---
---
959,028
---
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
4/13/26 - 5:19:26 pm
46
    
 
DIR
EVOMMUNE INC
EVMN
JB
$1,000,000
35,868
---
2/17/26
---
$27.88
2,710,293
1.3
I
---
2834
Manufacturing
Chemicals And Allied Products
Pharmaceutical Preparations
2/17/26 - 7:28:03 pm
47
3m
1
0%
-14%
66
DIR,BO
SPYGLASS PHARMA INC
SGP
JB*
$59,040,000
3,690,000
---
2/9/26
---
$16.00
5,966,439
162.1
I
---
3841
Manufacturing
Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks
Surgical & Medical Instruments & Apparatus
2/11/26 - 5:15:24 pm
48
    
 
DIR,BO
SPYGLASS PHARMA INC
SGP
JB
---
4,331,117
---
2/9/26
---
---
2,524,473
---
I
---
3841
Manufacturing
Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks
Surgical & Medical Instruments & Apparatus
2/11/26 - 5:15:24 pm
49
    
 
DIR,BO
SPYGLASS PHARMA INC
SGP
3
---
---
---
2/5/26
---
---
---
---
---
---
3841
Manufacturing
Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks
Surgical & Medical Instruments & Apparatus
2/5/26 - 3:44:38 pm
50
1w
1
0%
0%
66
DIR,BO
CIDARA THERAPEUTICS INC
CDTX
OS
$1,030,486,464
4,652,309
---
1/7/26
---
$221.50
---
All
I
---
2836
Manufacturing
Chemicals And Allied Products
Biological Products, (No Disgnostic Substances)
1/9/26 - 5:13:54 pm
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