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RAMBUS INC

RMBS Net selling
CIK 0000917273 #939 in the set updated 17 Sep 2026
Bought (120 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$77.99M
$26.27M on a plan · $6.51M straight out of an exercise
Sold at will
$45.21M
111 of 227 sales
Net
−$77.99M
−$45.21M against sales at will

By person

25 insiders · 228 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Seraphin Luc
President and CEO
—
$25.79M (75) scheduled
−$25.79M
345,767
0.3188%
$34.89M
+138.0%
FAN XIANZHI SEAN
EVP, COO
—
$20.67M (13)
−$20.67M
168,358
0.1552%
$16.99M
—
STANG ERIC B
Director
—
$5.20M (15)
−$5.20M
21,441
0.0198%
$2.16M
−68.2%
Sayiner Necip
Director
—
$4.91M (8)
−$4.91M
18,223
0.0168%
$1.84M
—
Shinn John
SVP, General Counsel
—
$3.77M (19) scheduled
−$3.77M
21,112
0.0195%
$2.13M
−28.7%
Lynch Desmond
SVP, CFO
—
$3.57M (10) scheduled
−$3.57M
63,618
0.0587%
$6.42M
+72.1%
KISSNER CHARLES
Director
—
$3.24M (11) scheduled
−$3.24M
54,292
0.0501%
$5.48M
+54.3%
Higashi Emiko
Director
—
$3.04M (6)
−$3.04M
49,519
0.0457%
$5.00M
—
Kim Jae
SVP, GC & Secretary
—
$2.48M (24) scheduled
−$2.48M
129,279
0.1192%
$13.05M
+41.5%
Rao Meera
Director
—
$2.05M (5) scheduled
−$2.05M
19,974
0.0184%
$2.02M
—
LAUB STEVEN
Director
—
$804.87K (5)
−$804.87K
7,519
0.0069%
$758.82K
—
STARK LAURA
SVP, GM ESD
—
$668.97K (14) scheduled
−$668.97K
235,590
0.2172%
$23.78M
+39.4%
SHRIGLEY DAVID A
Director
—
$607.79K (7)
−$607.79K
56,311
0.0519%
$5.68M
+5.5%
HERSCHER PENNY
Director
—
$577.95K (3)
−$577.95K
50,811
0.0468%
$5.13M
−26.8%
FISHER ELLIS THOMAS
Director
—
$242.18K (10)
−$242.18K
55,833
0.0515%
$5.63M
+623.2%
Jones Keith A
Principal Accounting Officer
—
$207.06K (1)
−$207.06K
54,719
0.0505%
$5.52M
+1.7%
BLACK RONALD D
President & CEO
—
$154.82K (1)
−$154.82K
976,371
0.9002%
$98.54M
+171.8%
MATHUR RAHUL
SVP, CFO
—
—
—
242,447
0.2235%
$24.47M
+5,326%
Saraf Sanjay
Director
—
—
—
50,241
0.0463%
$5.07M
—
Gagneja Sumeet
SVP, CFO
—
—
—
41,320
0.0381%
$4.17M
—
ROGGE KAREN M
Director
—
—
—
17,364
0.0160%
$1.75M
—
Allen John K
Chief Accounting Officer
—
—
—
17,131
0.0158%
$1.73M
+65.7%
MITAROTONDA JAMES A
Director
—
—
—
13,946
0.0129%
$1.41M
—
BENTLEY J THOMAS
Director
—
—
—
11,792
0.0109%
$1.19M
—
PENG VICTOR
Director
—
—
—
2,391
0.0022%
$241.30K
—

Individual transactions

55
Insider
Date
Role
Action
Shares
Price
Amount
Sayiner Necip
6 Nov 2023
Director
Sold after exercise
10,000
$57.43
$574.35K
Seraphin Luc
15 May 2023
President and CEO
Sold after exercise
82
$49.33
$4.04K
Seraphin Luc
15 May 2023
President and CEO
Sold after exercise
302
$49.39
$14.92K
Seraphin Luc
15 May 2023
President and CEO
Sold after exercise
4,172
$49.39
$206.06K
Sayiner Necip
15 Nov 2022
Director
Sold after exercise
15,000
$38.16
$572.36K
Seraphin Luc
25 Apr 2022
President and CEO
Sold after exercise
8,313
$25.30
$210.32K
Seraphin Luc
18 Apr 2022
President and CEO
Sold after exercise
10,375
$25.76
$267.31K
Seraphin Luc
18 Apr 2022
President and CEO
Sold after exercise
704
$25.80
$18.16K
Seraphin Luc
18 Apr 2022
President and CEO
Sold after exercise
1,421
$25.78
$36.64K
KISSNER CHARLES
8 Mar 2022
Director
Sold after exercise
40,000
$28.05
$1.12M
Seraphin Luc
4 Jan 2021
President and CEO
Sold after exercise
824
$17.54
$14.45K
Seraphin Luc
4 Jan 2021
President and CEO
Sold after exercise
955
$17.54
$16.75K
Seraphin Luc
3 Dec 2020
President and CEO
Sold after exercise
2,745
$16.32
$44.79K
Seraphin Luc
3 Dec 2020
President and CEO
Sold after exercise
3,185
$16.32
$51.98K
Kim Jae
2 Dec 2020
SVP, GC & Secretary
Sold after exercise
2,469
$16.13
$39.82K
Kim Jae
2 Dec 2020
SVP, GC & Secretary
Sold after exercise
5,175
$16.13
$83.49K
Kim Jae
2 Dec 2020
SVP, GC & Secretary
Sold after exercise
5,175
$16.13
$83.49K
Kim Jae
23 Nov 2020
SVP, GC & Secretary
Sold after exercise
5,175
$16.00
$82.80K
Kim Jae
23 Nov 2020
SVP, GC & Secretary
Sold after exercise
5,175
$16.00
$82.80K
Seraphin Luc
5 Nov 2020
President and CEO
Sold after exercise
2,745
$15.39
$42.25K
Kim Jae
5 Nov 2020
SVP, GC & Secretary
Sold after exercise
2,469
$15.39
$38.00K
Seraphin Luc
16 Sep 2020
President and CEO
Sold after exercise
2,425
$14.00
$33.95K
Kim Jae
3 Sep 2020
SVP, GC & Secretary
Sold after exercise
1,200
$14.20
$17.04K
Seraphin Luc
3 Sep 2020
President and CEO
Sold after exercise
759
$14.15
$10.74K
Kim Jae
5 Jun 2020
SVP, GC & Secretary
Sold after exercise
5,174
$16.00
$82.78K
Seraphin Luc
3 Jun 2020
President and CEO
Sold after exercise
5,930
$15.65
$92.81K
Kim Jae
3 Jun 2020
SVP, GC & Secretary
Sold after exercise
2,434
$15.89
$38.68K
Seraphin Luc
6 May 2020
President and CEO
Sold after exercise
2,744
$15.39
$42.23K
Seraphin Luc
5 May 2020
President and CEO
Sold after exercise
4,333
$14.02
$60.75K
Seraphin Luc
29 Jan 2020
President and CEO
Sold after exercise
21,959
$15.50
$340.36K
Seraphin Luc
26 Dec 2019
President and CEO
Sold after exercise
6,543
$14.03
$91.79K
Seraphin Luc
13 Sep 2019
President and CEO
Sold after exercise
29,855
$13.99
$417.55K
Kim Jae
13 Sep 2019
SVP, GC & Secretary
Sold after exercise
3,000
$14.08
$42.24K
Kim Jae
10 Sep 2019
SVP, GC & Secretary
Sold after exercise
2,297
$13.00
$29.86K
Kim Jae
24 Jul 2019
SVP, GC & Secretary
Sold after exercise
1,149
$13.00
$14.94K
Kim Jae
1 Jun 2018
SVP, GC & HR
Sold after exercise
2,297
$13.50
$31.01K
STARK LAURA
9 Feb 2018
SVP, GM ESD
Sold after exercise
2,936
$12.00
$35.23K
STARK LAURA
10 Jan 2018
SVP, GM ESD
Sold after exercise
2,940
$14.10
$41.47K
STARK LAURA
11 Dec 2017
SVP, GM ESD
Sold after exercise
4,064
$14.72
$59.83K
Kim Jae
4 Dec 2017
SVP, GC & HR
Sold after exercise
7,000
$14.90
$104.30K
STARK LAURA
10 Nov 2017
SVP, GM ESD
Sold after exercise
2,937
$14.48
$42.52K
STARK LAURA
11 Oct 2017
SVP, GM ESD
Sold after exercise
3,069
$13.65
$41.90K
STARK LAURA
11 Sep 2017
SVP, GM ESD
Sold after exercise
4,065
$12.96
$52.70K
STARK LAURA
11 Aug 2017
SVP, GM ESD
Sold after exercise
3,640
$12.59
$45.83K
Kim Jae
3 Aug 2017
SVP & GC
Sold after exercise
39,195
$12.70
$497.87K
STARK LAURA
12 Jul 2017
SVP, GM ESD
Sold after exercise
3,491
$12.90
$45.03K
STARK LAURA
12 Jun 2017
SVP, GM ESD
Sold after exercise
3,644
$12.06
$43.95K
STARK LAURA
12 May 2017
SVP, GM ESD
Sold after exercise
3,992
$12.46
$49.74K
STARK LAURA
12 Apr 2017
SVP, GM ESD
Sold after exercise
4,686
$12.75
$59.75K
STARK LAURA
13 Mar 2017
SVP, GM ESD
Sold after exercise
3,810
$13.10
$49.91K
Kim Jae
21 Feb 2017
SVP & GC
Sold after exercise
9,845
$12.65
$124.52K
STARK LAURA
2 Feb 2017
SVP, GM ESD
Sold after exercise
4,010
$12.71
$50.97K
Kim Jae
8 Dec 2016
SVP & GC
Sold after exercise
1,733
$14.08
$24.40K
Kim Jae
21 Nov 2016
SVP & GC
Sold after exercise
9,851
$13.35
$131.52K
STARK LAURA
6 Oct 2016
SVP, GM ESD
Sold after exercise
4,010
$12.51
$50.15K
Show all 228 transactions →

What was left out

Form 4 filings counted 361
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 61
Sales straight out of an exercise 55
Sales at will 111
Transactions with no price 0
Shares from compensation/vesting 6,906,613
Sales filed before the plan box existed 70
History held since 6 Sep 2016