rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

John K. Allen

Chief Accounting Officer

Company insider

Files Form 4 as: Chief Accounting Officer, Rambus; Acting CFO, Tessera Technologies; Chief Financial Officer, Leadis Technology.

In numbers

Trades disclosed
24
Buys
0
Sells
2
Bought
$0
Sold
$75K
Companies
3
Companies where not an officer
0
First trade
26 Apr 2007
Last trade
3 Apr 2026
Last filed
7 Apr 2026

Companies traded

Where they are an officer
RMBS RambusOfficer · Semiconductors · last 3 Apr 20260 buys · 0 sells
Tessera TechnologiesOfficer · last 10 Dec 20130 buys · 2 sells
Leadis TechnologyOfficer · last 13 Oct 20090 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
3 Apr 2026filed 7 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code F$104K1,131 at $92.22filing
3 Apr 2026filed 7 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code F$104K1,131 at $92.22filing
1 Apr 2026filed 3 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code A—2,779 at $0.00filing
1 Apr 2026filed 3 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code F$45K495 at $89.95filing
1 Apr 2026filed 3 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code F$59K658 at $89.95filing
1 Apr 2026filed 3 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code A—2,779 at $0.00filing
1 Apr 2026filed 3 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code F$45K495 at $89.95filing
1 Apr 2026filed 3 Apr 2026RMBS RambusSemiconductorsSEC FORM 4 Code F$59K658 at $89.95filing
3 Apr 2025filed 3 Apr 2025RMBS RambusSemiconductorsSEC FORM 4 Code F$52K1,129 at $46.15filing
1 Apr 2025filed 3 Apr 2025RMBS RambusSemiconductorsSEC FORM 4 Code A—5,168 at $0.00filing
1 Apr 2025filed 3 Apr 2025RMBS RambusSemiconductorsSEC FORM 4 Code F$26K490 at $52.29filing
3 Apr 2024filed 4 Apr 2024RMBS RambusSemiconductorsSEC FORM 4 Code F$68K1,132 at $60.31filing
1 Apr 2024filed 2 Apr 2024RMBS RambusSemiconductorsSEC FORM 4 Code A—3,882 at $0.00filing
10 Dec 2013filed 11 Dec 2013Tessera TechnologiesSEC FORM 4 Sold$71K3,750 at $18.86filing
14 Oct 2013filed 16 Oct 2013Tessera Technologiesoption or derivativeSEC FORM 4 Code A—2,000 at $0.00filing
14 Oct 2013filed 16 Oct 2013Tessera TechnologiesSEC FORM 4 Code A—3,000 at $0.00filing
1 Aug 2013filed 2 Aug 2013Tessera TechnologiesSEC FORM 4 Sold$4,136209 at $19.79filing
13 Oct 2009filed 3 Dec 2009Leadis TechnologySEC FORM 4 Code M$29K57,500 at $0.50filing
13 Oct 2009filed 15 Oct 2009Leadis Technologyoption or derivativeSEC FORM 4 Code M—57,500 at $0.00filing
13 Oct 2009filed 15 Oct 2009Leadis TechnologySEC FORM 4 Code M$29K57,500 at $0.50filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Charles KissnerDirector · Director at Rambus, filing Form 4 there in the last year
Emiko HigashiDirector · Director at Rambus, filing Form 4 there in the last year
Necip SayinerDirector · Director at Rambus, filing Form 4 there in the last year
Eric B. StangPresident & CEO · Director at Rambus, filing Form 4 there in the last year
Xianzhi Sean FanEVP, COO · EVP, COO at Rambus, filing Form 4 there in the last year