Overview
Smart money at a glance
Filings to Oct 1, 2026Net selling: insiders sold $1M and bought $0 on the open market in 90 days (SEC Form 4). Congress: no trades disclosed in 180 days.
- Company insidersSEC Form 4, last 90 days
- -$1M netNet selling
- CongressSTOCK Act, last 180 days
- NoneNo trades disclosed
- Big fundsSEC 13F, quarter ended Jun 30, 2026
- 6 added, 0 cutMore adding
- Federal contractsUSAspending.gov, last 12 months
- No awardsNone on record
Key stats
Fundamentals Sep 30- Open
- $104.57
- 52-wk high
- $174.10
- High
- $104.87
- 52-wk low
- $77.89
- Low
- $101.65
- Prev close
- $102.12
- Mkt cap
- $11.15B
- P/E
- 46.9x
- Volume
- 1.32M
- Fwd P/E
- 24.1x
- Beta
- 1.87
- P/S
- 14.8x
- P/B
- 7.7x
- Profit margin
- +31.7%
- Op margin
- +36.7%
- ROE
- +17.8%
What do analysts expect?
Analyst target and ratings are on paid plans
See the 12-month consensus target and the buy/hold/sell rating split.
Unlock the full resultsQuestions about RMBS filings
Are insiders buying or selling Rambus Inc (RMBS) stock?
Net selling: insiders sold $1M and bought $0 of RMBS stock on the open market in the 90 days to Oct 1, 2026, according to SEC Form 4 filings. $1M of the sales were made under pre-set Rule 10b5-1 trading plans. The largest was Kissner, Charles (Director), who sold $1M. The latest filing was on Sep 24, 2026.
Which members of Congress have traded RMBS recently?
None. No member of Congress disclosed a RMBS trade with a trade date in the last 180 days, according to House and Senate STOCK Act filings.
How current is this RMBS smart-money data?
This summary uses filings available on Oct 1, 2026. Insiders must report trades to the SEC within 2 business days, members of Congress have up to 45 days to disclose a trade, and funds file 13F holdings up to 45 days after each quarter ends, so the latest moves may not be public yet.
Smart money
8 funds hold a position and insiders have been net selling.
What funds are doing
Buys/Adds (3)
- DS

D.E. Shaw
$97.1M
added
- SU

Susquehanna
$66.4M
added
- CI

Citadel
$51.7M
added
What insiders are doing
How top traders are positioned
No tracked top-trader positions in RMBS right now.
Live Hyperliquid positioning - not every stock is covered
Earnings
Earnings came in 32.8% above what analysts expected.
Earnings per share
$0.58 expected
Reports Oct 26, 2026, in 25 days
Estimates as of Oct 1, 2026
EPS expected
$0.78 to $0.79
Revenue expected
7 analysts
Last 30 days
Analysts raising estimates
Financials
What it sold, what it cost, what was left.
| USD | Sep 2025 | Dec 2025 | Mar 2026 | Jun 2026 |
|---|---|---|---|---|
| What came in | ||||
| Revenue | $178.5M | $190.2M | $180.2M | $207.4M |
| Cost of what it sold | $45.6M | $40.2M | $36.5M | $42.0M |
| Gross profit | $132.9M | $150.0M | $143.7M | $165.4M |
| What it spent | ||||
| Research and development | $49.5M | $49.2M | $50.2M | $51.1M |
| Sales and admin | $56.1M | $30.0M | $31.7M | $38.3M |
| Other operating costs | -$36.0M | — | — | $3.3M |
| Total operating expenses | $69.6M | $79.2M | $81.9M | $92.7M |
| What was left | ||||
| Operating profit | $63.3M | $70.8M | $61.8M | $72.7M |
| Interest on debt | $294.0K | $320.0K | $279.0K | $302.0K |
| Profit before tax | $69.3M | $77.2M | $68.6M | $79.5M |
| Tax | $20.9M | $13.4M | $8.8M | $11.9M |
| Net profit | $48.4M | $63.8M | $59.9M | $67.6M |
| EBITDA | $80.4M | $88.7M | $70.6M | $79.8M |
Technicals
Price structure
This stock is trending upward.
Trend
Constructive
75 / 100
RSI 14
20D volatility
52-week range
20D support
20D resistance
Returns
Price vs moving averages
Volume pace