Insider · CIK 0001583840

FAN XIANZHI SEAN

Reports to the SEC for 2 companies · SAN JOSE, CA

sec.gov

Transactions

Companies

Filings

CIK

0001583840

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-26	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−100 sh	$152.35	−$15.2K	168,358
2026-05-26	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−37.8K sh	$151.69	−$5.74M	168,458
2026-04-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−9,916 sh	$89.95	−$892K	206,272
2026-04-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+22.2K sh	—	—	216,188
2026-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+149K sh	—	—	286,357
2026-02-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−92.4K sh	$113.71	−$10.5M	193,954
2025-11-21	RMBSRAMBUS INCG Gift	EVP, COO	GGift	−300 sh	—	—	137,555
2025-11-19	RMBSRAMBUS INCG Gift	EVP, COO	GGift	−300 sh	—	—	137,855
2025-04-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+47.8K sh	—	—	141,651
2025-04-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−3,496 sh	$52.29	−$183K	138,155
2025-02-19	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−52.3K sh	$68.02	−$3.56M	93,841
2025-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+113K sh	—	—	224,246
2025-02-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−78.1K sh	$60.35	−$4.71M	146,168
2024-04-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+26.1K sh	—	—	111,571
2024-03-04	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−15.8K sh	$64.91	−$1.02M	85,459
2024-03-01	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−20K sh	$60.99	−$1.22M	101,229
2024-02-20	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−2,004 sh	$55.00	−$110K	121,229
2024-02-12	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−20K sh	$58.53	−$1.17M	123,233
2024-02-05	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−20K sh	$68.73	−$1.37M	143,233
2024-02-05	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−6,168 sh	$68.37	−$422K	163,233
2024-02-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−58.8K sh	$68.15	−$4M	169,401
2024-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+76.8K sh	—	—	228,163
2023-12-11	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−16.9K sh	$66.35	−$1.12M	151,319
2023-08-29	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−17.3K sh	$54.99	−$952K	168,223
2023-02-03	RMBSRAMBUS INCA Award	EVP, COO	AAward	+88.2K sh	—	—	185,532
2023-02-03	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−52.2K sh	$43.62	−$2.28M	97,380
2023-02-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−12.9K sh	$43.41	−$559K	115,015
2023-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+34.6K sh	—	—	149,569
2022-11-18	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−52.9K sh	$37.88	−$2M	127,886
2022-11-16	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−10.3K sh	$38.30	−$394K	180,738
2022-11-15	RMBSRAMBUS INCS Sale	EVP, COO	SSale	−51.8K sh	$38.51	−$1.99M	191,015
2022-02-03	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−6,041 sh	$25.07	−$151K	242,787
2022-02-01	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−66.1K sh	$25.56	−$1.69M	73,978
2022-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+116K sh	—	—	190,143
2022-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+58.7K sh	—	—	248,828
2021-09-03	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−29.5K sh	$24.42	−$721K	140,069
2021-02-03	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−4,304 sh	$19.21	−$82.7K	169,590
2021-02-01	RMBSRAMBUS INCA Award	EVP, COO	AAward	+38.4K sh	—	—	173,894
2020-09-03	RMBSRAMBUS INCF Tax Payment	EVP, COO	FTax Payment	−23.5K sh	$13.78	−$323K	135,472
2020-02-03	RMBSRAMBUS INCA Award	EVP, COO	AAward	+46.2K sh	—	—	158,935
2019-09-03	RMBSRAMBUS INCA Award	EVP, COO	AAward	+113K sh	—	—	112,782
2019-03-29	Renesas Electronics America Inc.Performance Stock UnitsA Award	Sr Vice President&Corporate GM	AAward	+64.5K sh	—	—	64,540
2019-03-29	Renesas Electronics America Inc.D Disposition to Issuer	Sr Vice President&Corporate GM	DDisposition to Issuer	−56.9K sh	—	—	0
2019-03-29	Renesas Electronics America Inc.Performance Stock UnitsD Disposition to Issuer	Sr Vice President&Corporate GM	DDisposition to Issuer	−64.5K sh	—	—	0
2019-03-29	Renesas Electronics America Inc.D Disposition to Issuer	Sr Vice President&Corporate GM	DDisposition to Issuer	−75.1K sh	—	—	56,899
2018-12-26	Renesas Electronics America Inc.M Exercise/Conversion	Sr Vice President&Corporate GM	MExercise/Conversion	+5,688 sh	$12.16	+$69.2K	124,785
2018-12-26	Renesas Electronics America Inc.Non-Qualified Stock Option (right to buy)M Exercise/Conversion	Sr Vice President&Corporate GM	MExercise/Conversion	−26.5K sh	—	—	0
2018-12-26	Renesas Electronics America Inc.Non-Qualified Stock Option (right to buy)M Exercise/Conversion	Sr Vice President&Corporate GM	MExercise/Conversion	−5,688 sh	—	—	0
2018-12-26	Renesas Electronics America Inc.A Award	Sr Vice President&Corporate GM	AAward	+64.6K sh	—	—	132,007
2018-12-26	Renesas Electronics America Inc.F Tax Payment	Sr Vice President&Corporate GM	FTax Payment	−57.3K sh	$48.21	−$2.76M	67,450

Recent filings

Accepted (ET)
May 264
FAN XIANZHI SEAN0001193125-26-239759
SEC(opens sec.gov)
Apr 34
FAN XIANZHI SEAN0001193125-26-142581
SEC(opens sec.gov)
Feb 34
FAN XIANZHI SEAN0001193125-26-036320
SEC(opens sec.gov)
Nov 214
FAN XIANZHI SEAN0001193125-25-291401
SEC(opens sec.gov)
Nov 204
FAN XIANZHI SEAN0001193125-25-290303
SEC(opens sec.gov)
Apr 34
FAN XIANZHI SEAN0000917273-25-000045
SEC(opens sec.gov)
Feb 194
FAN XIANZHI SEAN0000917273-25-000016
SEC(opens sec.gov)
Feb 44
FAN XIANZHI SEAN0000917273-25-000010
SEC(opens sec.gov)
Apr 24
FAN XIANZHI SEAN0000917273-24-000058
SEC(opens sec.gov)
Mar 44
FAN XIANZHI SEAN0000917273-24-000030
SEC(opens sec.gov)
Feb 214
FAN XIANZHI SEAN0000917273-24-000025
SEC(opens sec.gov)
Feb 134
FAN XIANZHI SEAN0000917273-24-000023
SEC(opens sec.gov)
Feb 64
FAN XIANZHI SEAN0000917273-24-000018
SEC(opens sec.gov)

Companies

Address

C/O RAMBUS, INC. 4453 NORTH FIRST STREET, SUITE 100

SAN JOSE, CA, 95134