StockCIK 917273

RAMBUS INC (RMBS): Insider Trades and Fund Holdings

In the past 12 months, RAMBUS INC insiders reported 0 open-market purchases worth $0 and 2 sales worth $1.08M; 2 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$1.08MSold by insiders, 12 months

2Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 5, 2026.

Recent RMBS insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Oct 5	Oct 2	Charles KissnerDirector	Director (ind.)	▼ SELL10b5-1	5,000	111.00	$555K	−57%	Form 4 ↗
Sep 24	Sep 22	Charles KissnerDirector	Director (ind.)	▼ SELL10b5-1	5,000	105.00	$525K	−36%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Charles Kissner	Director	0	$0	2	$1.08M	Oct 5, 2026

Tracked funds that report RMBS

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Bridgewater Associates	Q2 2026	3,871	$514K	0.00%	▼ −92.5%
Duquesne Family Office	Q2 2026	173,000	$23K	0.53%	▲ New

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →