Company insider dossier

Rambus Inc insider intelligence

RMBS filings assessed for conviction, transaction quality, insider breadth, clustering, freshness, and price confirmation.

Terminal chart Weekly report Factor intelligence Technology Semiconductors Data API
12/100

Concentrated distribution

81/100 confidence
Exchange
NASDAQ
Sector
Technology
Industry
Semiconductors
Latest evidence
3 Jun 2026

Investment committee read

Concentrated distribution

Priced common-share disposals are concentrated enough to warrant review, but they are not treated as a standalone bearish forecast.

Review exposure and filing context

Evidence in favour

  • Participation spans 12 named insiders rather than one filing source.

Decision risks

  • Qualifying disposal events outnumber acquisitions, although disposals receive a lower directional weight.
  • The latest qualifying filing is more than 30 days old.
Conviction12Concentrated distribution
Confidence81Deep evidence
Named insiders12participating in the tape
Controlled events21directional common-share events
Acquisition value$0normalized amount
Disposal value$15.7Mnormalized amount

Price confirmation map

Weekly price with common-share events

Acquisitions and disposals are aligned to the nearest completed weekly bar.

158.40129.58100.7671.9443.12 Disposal · 3 Jun 2026 · $850.8KDisposal · 2 Jun 2026 · $815.0KDisposal · 2 Jun 2026 · $790.0KDisposal · 1 Jun 2026 · $730.0KDisposal · 26 May 2026 · $5.7MDisposal · 26 May 2026 · $787.9KDisposal · 26 May 2026 · $15.2KDisposal · 22 May 2026 · $143.6KDisposal · 8 May 2026 · $1.3MDisposal · 7 May 2026 · $188.3KAcquisition · 1 May 2026 · Not reportedAcquisition · 1 May 2026 · Not reportedDisposal · 24 Apr 2026 · $446.7KDisposal · 14 Apr 2026 · $1.0MDisposal · 3 Apr 2026 · $104.3KDisposal · 2 Apr 2026 · $239.6KDisposal · 2 Apr 2026 · $216.0KDisposal · 2 Apr 2026 · $14.6KAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedAcquisition · 1 Apr 2026 · Not reportedDisposal · 1 Apr 2026 · $1.1MDisposal · 1 Apr 2026 · $891.9KDisposal · 1 Apr 2026 · $172.1KDisposal · 1 Apr 2026 · $59.2KDisposal · 1 Apr 2026 · $44.5K
Feb 2025Aug 2026
Weekly closeCommon-share acquisitionCommon-share disposal

Market confirmation

Price and trend context

Latest close
101.52 USD
One-week move
+11.5%
Four-week move
-9.4%
Fair-value gap
+39.0%
Trend signal
Inactive
Relative strength
-14.9

Directional balance

Controlled event mix

0.0%acquisition
Acquisition events
0
Disposal events
21
Net value
-$15.7M

Cadence

Twelve-week filing pressure

Volume shows attention. Controlled events determine direction.

325 May
401 Jun
008 Jun
015 Jun
022 Jun
029 Jun
006 Jul
013 Jul
020 Jul
027 Jul
003 Aug
010 Aug

Named participants

Insider conviction by person

GAGNEJA, SUMEETSVP, CFO500 events
KISSNER, CHARLESDirector500 events
PENG, VICTORDirector500 events
LAUB, STEVENDirector281 events
STANG, ERIC BDirector281 events
SAYINER, NECIPDirector252 events
SHINN, JOHNSVP, General Counsel252 events
RAO, MEERADirector252 events
FAN, XIANZHI SEANEVP, COO223 events
HIGASHI, EMIKODirector223 events
ALLEN, JOHN KChief Accounting Officer223 events
SERAPHIN, LUCDirector, President and CEO204 events

Evidence quality

Security and transaction context

Common equity34
Equity compensation0
Options and derivatives0
Other securities0

Role architecture

Who is participating

Director16
Other executive7
CEO and chair5
Other or unspecified4
Finance leadership2

Transaction evidence

Auditable RMBS filing ledger

Showing 1 to 30 of 34.

SAYINER, NECIPDirector
DisposalCommon equity
5000 sharesCommon Stock
$850.8KDirectional evidence
HIGASHI, EMIKODirector
DisposalCommon equity
5000 sharesCommon Stock
$815.0KDirectional evidence
HIGASHI, EMIKODirector
DisposalCommon equity
5000 sharesCommon Stock
$790.0KDirectional evidence
STANG, ERIC BDirector
DisposalCommon equity
5000 sharesCommon Stock
$730.0KDirectional evidence
FAN, XIANZHI SEANEVP, COO
DisposalCommon equity
37814 sharesCommon Stock
$5.7MDirectional evidence
HIGASHI, EMIKODirector
DisposalCommon equity
5000 sharesCommon Stock
$787.9KDirectional evidence
FAN, XIANZHI SEANEVP, COO
DisposalCommon equity
100 sharesCommon Stock
$15.2KDirectional evidence
SHINN, JOHNSVP, General Counsel
DisposalCommon equity
1000 sharesCommon Stock
$143.6KDirectional evidence
SAYINER, NECIPDirector
DisposalCommon equity
9824 sharesCommon Stock
$1.3MDirectional evidence
LAUB, STEVENDirector
DisposalCommon equity
1500 sharesCommon Stock
$188.3KDirectional evidence
GAGNEJA, SUMEETSVP, CFO
AcquisitionCommon equity
14518 sharesCommon Stock
Not reportedContext evidence
GAGNEJA, SUMEETSVP, CFO
AcquisitionCommon equity
26802 sharesCommon Stock
Not reportedContext evidence
RAO, MEERADirector
DisposalCommon equity
2972 sharesCommon Stock
$446.7KDirectional evidence
RAO, MEERADirector
DisposalCommon equity
8538 sharesCommon Stock
$1.0MDirectional evidence
ALLEN, JOHN KChief Accounting Officer
DisposalCommon equity
1131 sharesCommon Stock
$104.3KDirectional evidence
SERAPHIN, LUCDirector, President and CEO
DisposalCommon equity
2750 sharesCommon Stock
$239.6KDirectional evidence
SERAPHIN, LUCDirector, President and CEO
DisposalCommon equity
2511 sharesCommon Stock
$216.0KDirectional evidence
SERAPHIN, LUCDirector, President and CEO
DisposalCommon equity
165 sharesCommon Stock
$14.6KDirectional evidence
ALLEN, JOHN KChief Accounting Officer
AcquisitionCommon equity
2779 sharesCommon Stock
Not reportedContext evidence
FAN, XIANZHI SEANEVP, COO
AcquisitionCommon equity
22234 sharesCommon Stock
Not reportedContext evidence
HIGASHI, EMIKODirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
KISSNER, CHARLESDirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
LAUB, STEVENDirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
PENG, VICTORDirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
RAO, MEERADirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
SAYINER, NECIPDirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
SERAPHIN, LUCDirector, President and CEO
AcquisitionCommon equity
32684 sharesCommon Stock
Not reportedContext evidence
SHINN, JOHNSVP, General Counsel
AcquisitionCommon equity
5558 sharesCommon Stock
Not reportedContext evidence
STANG, ERIC BDirector
AcquisitionCommon equity
2223 sharesCommon Stock
Not reportedContext evidence
SERAPHIN, LUCDirector, President and CEO
DisposalCommon equity
12561 sharesCommon Stock
$1.1MDirectional evidence

Reading the dossier

Direction and confidence are separate

Conviction

The 0 to 100 score classifies deduplicated priced common-share evidence. Fifty is balanced or non-directional.

Confidence

Confidence rises with controlled event depth, named-insider breadth, fresh evidence, normalized values, and a longer observation span.

Disposals

Selling is not treated as the mirror image of buying. It carries less directional weight because taxes, diversification, compensation, and planned transactions can all create sales.

Price confirmation

The market chart tests whether the filing thesis is being confirmed or rejected by price, fair-value position, relative strength, and the current trend state.

Independent market research for education. This classification is not investment advice, a recommendation, a forecast, or an execution instruction.

Evidence context