Insider · CIK 0001204726

REDSTONE SUMNER M

Reports to the SEC for 12 companies · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001204726

Summary

Sumner M. Redstone

Updated Dec 21, 2025

Sumner M. Redstone was a media executive and controlling shareholder through National Amusements who served as executive chairman and long‑time board leader of major media companies including Viacom/CBS/Paramount and related subsidiaries. His ownership and board roles are documented in SEC filings and corporate disclosures.^[1]

Career Background

Founder and chairman of National Amusements, the private holding company that controlled major media assets through voting stock.^[2]
Longtime executive chairman and board leader of Viacom (and later affiliated entities that became Paramount/CBS), serving in senior governance roles over several decades.^[1]
Beneficial owner and disclosed large‑stake investor in multiple media companies; SEC filings show reported 10%‑level beneficial interests and Schedule 13D disclosures for specific issuers.^[3]
Education: graduate of Harvard College (A.B.) and Harvard Law School (LL.B.), as documented in public biographies and company proxy materials.^[1]

Current Positions

National Amusements (private) — Founder and controlling shareholder (role historically shown as Chairman/CEO in company and SEC disclosures).^[2]
Former Executive Chairman / Chairman roles at major public media companies (Viacom, CBS/Paramount) — served as a board chair and reporting person in SEC filings and company proxy statements.^[4]
Documented beneficial ownership stakes disclosed in issuer filings (e.g., WMS Industries, Spanish Broadcasting System) and in corporate proxy/SEC disclosures.^[3]

SEC Filing Context

Served as a Section 16 reporting person on numerous Form 3/4/5 filings and as a named filer on Schedule 13D/13G ownership disclosures across multiple issuers, reflecting long‑standing board roles and significant equity holdings.^[4]

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2019-12-04	Viacom Inc.D Disposition to Issuer	Director, 10% Owner, Chairman Emeritus	DDisposition to Issuer	−25.1M sh	—	—	0
2019-12-04	Viacom Inc.D Disposition to Issuer	Director, 10% Owner, Chairman Emeritus	DDisposition to Issuer	−14.3M sh	—	—	0
2019-12-04	Viacom Inc.D Disposition to Issuer	Director, 10% Owner, Chairman Emeritus	DDisposition to Issuer	−40 sh	—	—	0
2019-12-04	Viacom Inc.D Disposition to Issuer	Director, 10% Owner, Chairman Emeritus	DDisposition to Issuer	−372K sh	—	—	0
2019-12-04	Paramount GlobalA Award	Director, 10% Owner, Chairman Emeritus	AAward	+23 sh	—	—	63
2019-12-04	Paramount GlobalA Award	Director, 10% Owner, Chairman Emeritus	AAward	+23.5M sh	—	—	41,500,088
2019-12-04	Paramount GlobalA Award	Director, 10% Owner, Chairman Emeritus	AAward	+222K sh	—	—	21,365,426
2019-03-27	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−2M sh	—	—	17,982,599
2019-03-27	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+2M sh	—	—	21,143,800
2019-03-07	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−200K sh	—	—	19,982,599
2019-03-07	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+200K sh	—	—	19,143,800
2019-01-24	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−9.7M sh	—	—	20,182,599
2019-01-24	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+9.7M sh	—	—	18,943,800
2016-11-23	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−128K sh	—	—	29,882,599
2016-11-23	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+128K sh	—	—	9,372,100
2016-11-23	Viacom Inc.G Gift	Director, 10% Owner, Chairman Emeritus	GGift	−128K sh	—	—	371,700
2016-11-23	Paramount GlobalG Gift	Director, 10% Owner, Chairman Emeritus	GGift	−128K sh	—	—	9,243,800
2015-11-17	Viacom Inc.G Gift	Director, 10% Owner, Chairman Emeritus	GGift	−100K sh	—	—	500,000
2015-11-17	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−100K sh	—	—	30,010,899
2015-11-17	Paramount GlobalC Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+100K sh	—	—	9,343,800
2015-11-17	Paramount GlobalG Gift	Director, 10% Owner, Chairman Emeritus	GGift	−100K sh	—	—	9,243,800
2015-10-15	Viacom Inc.C Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−600K sh	—	—	21,396,956
2015-10-15	Viacom Inc.C Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+600K sh	—	—	600,000
2015-06-09	Viacom Inc.M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+65.6K sh	$49.95	+$3.27M	65,560
2015-06-09	Viacom Inc.S Sale	Director, 10% Owner, Chairman Emeritus	SSale	−65.6K sh	$66.59	−$4.37M	0
2015-06-09	Viacom Inc.Employee Stock Option (Right to Buy)M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−65.6K sh	—	—	0
2015-03-24	Viacom Inc.C Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	−189K sh	—	—	25,712,771
2015-03-24	Viacom Inc.C Conversion	Director, 10% Owner, Chairman Emeritus	CConversion	+189K sh	—	—	189,200
2015-03-24	Viacom Inc.G Gift	Director, 10% Owner, Chairman Emeritus	GGift	−189K sh	—	—	0
2015-03-24	Paramount GlobalG Gift	Director, 10% Owner, Chairman Emeritus	GGift	−186K sh	—	—	9,243,800
2015-03-02	Viacom Inc.M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+76.4K sh	$32.55	+$2.49M	76,375
2015-03-02	Viacom Inc.M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+65.6K sh	$49.95	+$3.27M	141,934
2015-03-02	Viacom Inc.S Sale	Director, 10% Owner, Chairman Emeritus	SSale	−142K sh	$70.58	−$10M	0
2015-03-02	Viacom Inc.Employee Stock Option (Right to Buy)M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−76.4K sh	—	—	0
2015-03-02	Viacom Inc.Employee Stock Option (Right to Buy)M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−65.6K sh	—	—	65,560
2015-03-02	Paramount GlobalM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+98.8K sh	$23.19	+$2.29M	301,307
2015-03-02	Paramount GlobalS Sale	Director, 10% Owner, Chairman Emeritus	SSale	−98.8K sh	$59.78	−$5.91M	202,493
2015-03-02	Paramount GlobalEmployee Stock Option (right to buy)M Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−98.8K sh	—	—	0
2015-02-20	Paramount GlobalS Sale	Director, 10% Owner, Chairman Emeritus	SSale	−103K sh	$59.45	−$6.13M	202,493
2015-02-19	Paramount GlobalA Award	Director, 10% Owner, Chairman Emeritus	AAward	+236K sh	—	—	438,299
2015-02-19	Paramount GlobalF Tax Payment	Director, 10% Owner, Chairman Emeritus	FTax Payment	−133K sh	$59.54	−$7.9M	305,658
2015-02-04	Paramount GlobalM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+47.3K sh	$30.21	+$1.43M	249,762
2015-02-04	Paramount GlobalM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+28 sh	$30.78	+$861.84	249,790
2015-02-04	Paramount GlobalD Disposition to Issuer	Director, 10% Owner, Chairman Emeritus	DDisposition to Issuer	−47.3K sh	$56.74	−$2.68M	202,493
2015-02-04	Paramount GlobalStock Option EquivalentsM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−28 sh	—	—	0
2015-02-04	Paramount GlobalStock Option EquivalentsM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−47.3K sh	—	—	0
2015-01-28	Paramount GlobalM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+47.8K sh	$30.21	+$1.44M	250,293
2015-01-28	Paramount GlobalD Disposition to Issuer	Director, 10% Owner, Chairman Emeritus	DDisposition to Issuer	−47.8K sh	$56.29	−$2.69M	202,493
2015-01-28	Paramount GlobalStock Option EquivalentsM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	−47.8K sh	—	—	47,269
2015-01-21	Paramount GlobalM Exercise/Conversion	Director, 10% Owner, Chairman Emeritus	MExercise/Conversion	+47.8K sh	$30.21	+$1.44M	250,293

Recent filings

Accepted (ET)
Dec 64
REDSTONE SUMNER M0000947871-19-000916
SEC(opens sec.gov)
Dec 64
REDSTONE SUMNER M0001225208-19-015414
SEC(opens sec.gov)
Mar 294
REDSTONE SUMNER M0001225208-19-005898
SEC(opens sec.gov)
Mar 114
NATIONAL AMUSEMENTS INC /MD/0001225208-19-005045
SEC(opens sec.gov)
Jan 284
REDSTONE SUMNER M0001225208-19-001382
SEC(opens sec.gov)
Nov 284
Viacom Inc.0001209191-16-152181
SEC(opens sec.gov)
Nov 284
CBS CORP0001225208-16-042319
SEC(opens sec.gov)
Nov 194
Viacom Inc.0001209191-15-081288
SEC(opens sec.gov)
Nov 194
CBS CORP0001225208-15-021112
SEC(opens sec.gov)

Companies

Address

1515 BROADWAY

NEW YORK, NY, 10036