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Detailed Insider History for:
RAMBUS INC: RMBS
Price: 10/31/25 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
$102.84 $114.55 $40.12 $11,071 108 2,052 0.0% 5.5% 92.24% 0.72%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
    
 
LYNCH DESMOND
VP,CFO
AS
$920,973
9,074
---
10/6/25
$101.17
$101.99
55,356
-14.1
D
10b
10/6/25 - 4:08:04 pm
2
9m
1
0%
50%
2
RAO MEERA
DIR
AS
$66,599
653
---
10/1/25
---
$101.99
29,261
-2.2
D
10b
10/2/25 - 11:00:30 am
3
    
 
LYNCH DESMOND
VP,CFO
AS
$832,099
9,074
---
9/15/25
---
$91.70
64,430
-12.3
D
10b
9/16/25 - 5:46:31 pm
4
1y
3
33%
31%
4
SAYINER NECIP
DIR
S
$642,226
7,500
---
9/11/25
---
$85.63
30,824
-19.6
D
---
9/12/25 - 1:51:51 pm
5
9m
1
0%
50%
2
RAO MEERA
DIR
AS
$215,160
3,000
---
9/2/25
---
$71.72
29,914
-9.1
D
10b
9/4/25 - 6:08:22 pm
6
    
 
LYNCH DESMOND
VP,CFO
JS
$200,247
2,725
---
9/1/25
---
$73.48
73,504
-3.6
D
R
9/3/25 - 7:30:51 pm
7
1y
1
100%
-22%
2
LAUB STEVEN
DIR
S
$177,995
2,261
---
8/29/25
---
$78.72
6,796
-25.0
D
---
9/2/25 - 3:52:23 pm
8
1y
1
100%
-6%
2
HIGASHI EMIKO
DIR
S
$83,581
1,075
---
8/13/25
---
$77.75
62,296
-1.7
D
---
8/15/25 - 12:02:14 pm
9
1y
3
33%
31%
4
SAYINER NECIP
DIR
S
$551,448
7,500
---
8/8/25
---
$73.53
38,324
-16.4
D
---
8/11/25 - 6:25:03 pm
10
1y
1
100%
-6%
2
HIGASHI EMIKO
DIR
S
$83,325
1,111
---
8/4/25
---
$75.00
63,371
-1.7
D
---
8/6/25 - 1:20:40 pm
11
    
 
SHINN JOHN
VP,GC
S
$58,945
790
---
8/4/25
---
$74.61
20,188
-3.8
D
---
8/5/25 - 7:18:27 pm
12
1y
1
100%
-22%
2
LAUB STEVEN
DIR
S
$101,816
1,847
---
5/27/25
---
$55.12
9,057
-16.9
D
---
5/28/25 - 6:11:13 pm
13
1y
1
100%
-22%
2
LAUB STEVEN
DIR
S
$202,961
3,653
---
5/19/25
---
$55.56
10,904
-25.1
D
---
5/20/25 - 6:03:39 pm
14
1y
14
50%
6%
3
STANG ERIC B
DIR
S
$186,778
3,653
---
5/9/25
---
$51.13
29,394
-11.1
I
---
5/12/25 - 6:36:35 pm
15
    
 
LYNCH DESMOND
VP,CFO
AS
$156,867
3,118
---
5/5/25
---
$50.31
75,798
-4.0
D
10b
5/6/25 - 4:53:29 pm
16
1y
45
18%
31%
1
SERAPHIN LUC
PR,CEO,DIR
AS
$354,641
7,603
4/22/25
4/23/25
$45.00
$46.97
319,241
-2.3
D
10b
4/24/25 - 12:10:17 pm
17
1y
45
18%
31%
1
SERAPHIN LUC
PR,CEO,DIR
AS
$477,868
10,000
---
4/15/25
---
$47.79
326,844
-3.0
D
10b
4/16/25 - 5:58:43 pm
18
1y
45
18%
31%
1
SERAPHIN LUC
PR,CEO,DIR
AS
$468,100
10,000
---
4/8/25
---
$46.81
336,844
-2.9
D
10b
4/8/25 - 9:15:38 pm
19
    
 
ALLEN JOHN K
CAO
JS
$77,725
1,619
4/1/25
4/3/25
---
$46.15
16,090
-9.1
D
R
4/3/25 - 7:31:07 pm
20
    
 
ALLEN JOHN K
CAO
JB
---
5,168
---
4/1/25
---
---
17,709
41.2
D
R
4/3/25 - 7:31:07 pm
21
    
 
LAUB STEVEN
DIR
JB
---
3,824
---
4/1/25
---
---
14,557
35.6
D
R
4/3/25 - 4:12:16 pm
22
    
 
SAYINER NECIP
DIR
JB
---
3,824
---
4/1/25
---
---
45,824
9.1
D
R
4/3/25 - 4:04:40 pm
23
    
 
RAO MEERA
DIR
JB
---
3,824
---
4/1/25
---
---
32,914
13.1
D
R
4/3/25 - 3:58:35 pm
24
    
 
HIGASHI EMIKO
DIR
JB
---
3,824
---
4/1/25
---
---
64,482
6.3
D
R
4/3/25 - 3:51:33 pm
25
    
 
KISSNER CHARLES
DIR
JB
---
3,824
---
4/1/25
---
---
38,322
11.1
D
R
4/3/25 - 3:44:27 pm
26
    
 
STANG ERIC B
DIR
JB
---
3,824
---
4/1/25
---
---
3,824
New
D
R
4/3/25 - 3:35:37 pm
27
    
 
LYNCH DESMOND
VP,CFO
JS
$95,638
1,829
---
4/1/25
---
$52.29
78,916
-2.3
D
R
4/3/25 - 3:23:43 pm
28
    
 
LYNCH DESMOND
VP,CFO
JB
---
18,167
---
4/1/25
---
---
80,745
29.0
D
R
4/3/25 - 3:23:43 pm
29
    
 
SHINN JOHN
VP,GC
JS
$42,721
817
---
4/1/25
---
$52.29
20,978
-3.7
D
R
4/3/25 - 3:17:01 pm
30
    
 
SHINN JOHN
VP,GC
JB
---
8,605
---
4/1/25
---
---
21,795
65.2
D
R
4/3/25 - 3:17:01 pm
31
    
 
FAN XIANZHI SEAN
VP,COO
JS
$182,806
3,496
---
4/1/25
---
$52.29
138,155
-2.5
D
R
4/3/25 - 3:08:04 pm
32
    
 
FAN XIANZHI SEAN
VP,COO
JB
---
47,810
---
4/1/25
---
---
141,651
50.9
D
R
4/3/25 - 3:08:04 pm
33
    
 
SERAPHIN LUC
PR,CEO,DIR
JS
$270,026
5,164
---
4/1/25
---
$52.29
356,844
-1.4
D
R,10b
4/3/25 - 2:50:47 pm
34
1y
45
18%
31%
1
SERAPHIN LUC
PR,CEO,DIR
AS
$508,815
10,000
---
4/1/25
---
$50.88
346,844
-2.8
D
R,10b
4/3/25 - 2:50:47 pm
35
    
 
SERAPHIN LUC
PR,CEO,DIR
JB
---
55,077
---
4/1/25
---
---
362,008
17.9
D
R,10b
4/3/25 - 2:50:47 pm
36
1y
45
18%
31%
1
SERAPHIN LUC
PR,CEO,DIR
AS
$586,406
10,000
---
3/25/25
---
$58.64
306,931
-3.2
D
10b
3/26/25 - 4:18:15 pm
37
    
 
SHINN JOHN
VP,GC
AS
$425,296
7,632
---
3/21/25
---
$55.73
13,190
-36.7
D
10b
3/25/25 - 3:25:48 pm
38
1y
45
18%
31%
1
SERAPHIN LUC
PR,CEO,DIR
AS
$537,888
10,000
---
3/18/25
---
$53.79
316,931
-3.1
D
10b
3/19/25 - 5:14:17 pm
39
    
 
SHINN JOHN
VP,GC
AS
$404,359
7,633
---
3/14/25
---
$52.98
20,822
-26.8
D
10b
3/17/25 - 6:06:59 pm
40
    
 
LYNCH DESMOND
VP,CFO
AS
$199,390
3,743
---
3/14/25
---
$53.27
62,578
-5.6
D
10b
3/17/25 - 5:48:57 pm
41
1y
3
33%
31%
4
SAYINER NECIP
DIR
S
$308,681
4,625
---
2/19/25
---
$66.74
42,000
-9.9
D
---
2/19/25 - 7:36:18 pm
42
1y
9
33%
25%
2
FAN XIANZHI SEAN
VP,COO
S
$3,559,037
52,327
---
2/19/25
---
$68.02
93,841
-35.8
D
---
2/19/25 - 6:58:48 pm
43
    
 
LYNCH DESMOND
VP,CFO
JS
$1,575,799
26,111
---
2/1/25
---
$60.35
66,321
-28.2
D
R
2/4/25 - 7:11:25 pm
44
    
 
LYNCH DESMOND
VP,CFO
JB
---
39,072
---
2/1/25
---
---
92,432
73.2
D
R
2/4/25 - 7:11:25 pm
45
    
 
SHINN JOHN
VP,GC
JS
$660,833
10,950
---
2/1/25
---
$60.35
28,455
-27.8
D
R
2/4/25 - 7:08:50 pm
46
    
 
SHINN JOHN
VP,GC
JB
---
18,777
---
2/1/25
---
---
39,405
91.0
D
R
2/4/25 - 7:08:50 pm
47
    
 
FAN XIANZHI SEAN
VP,COO
JS
$4,712,008
78,078
---
2/1/25
---
$60.35
146,168
-34.8
D
R
2/4/25 - 7:06:37 pm
48
    
 
FAN XIANZHI SEAN
VP,COO
JB
---
112,675
---
2/1/25
---
---
224,246
101.0
D
R
2/4/25 - 7:06:37 pm
49
    
 
SERAPHIN LUC
PR,CEO,DIR
JS
$7,716,894
127,869
---
2/1/25
---
$60.35
326,931
-28.1
D
R
2/4/25 - 7:01:01 pm
50
    
 
SERAPHIN LUC
PR,CEO,DIR
JB
---
191,548
---
2/1/25
---
---
454,800
72.8
D
R
2/4/25 - 7:01:01 pm
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