Compensation award — excluded from discretionary-purchase analysis.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Apr 1, 2026
Reporting period
Not applicable
Filed with the SEC
Apr 4, 2026
OfficerGrant / award
Context
Classification
grant award
Code A — grant or award
Planned / mechanical clue
Footnote references an employee stock purchase plan
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-26-142576
Filed / recorded
Apr 4, 2026, 4:07 AM UTC
Added to OQRO
Oct 6, 2026, 8:46 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
RAMBUS INC
Issuer CIK
917273
Ticker
RMBS
Reporting person
John K Allen
Relationship
Officer
Officer title
Chief Accounting Officer
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Apr 1, 2026
Transaction code
A
Shares / units
2,779
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
19,415
Ownership form
Direct
Amendment
No
Footnotes from the filing
The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock.
Includes an exempt transaction of 269 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan.
Includes an exempt transaction of 277 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan.