SEC ownership of REALNETWORKS INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001046327.

Comparable stake leader

Thomas A. Satterfield Jr.

Disclosed value leader

Thomas A. Satterfield Jr.

Comparable rows

0/13

Latest evidence

23 Dec 2022

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
23 Dec 2022
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001046327
Issuer location
Seattle, WA

Ownership snapshot

Top shareholders of REALNETWORKS INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Thomas A. Satterfield Jr.
Disclosed value leader
Thomas A. Satterfield Jr.
Comparable rows
0/13
Latest evidence
23 Dec 2022
3/4/5 Highest disclosed value: $4,059,026 13 rows are not safely comparable across share classes. Showing 1-8 of 13 holder rows.

Quick read

Thomas A. Satterfield Jr. has the largest disclosed position value at $4.06M.

0 of 13 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Thomas A. Satterfield Jr.'s linked filing trail.
Disclosed position value Top 5
Thomas A. Satterfield Jr. $4.06M
Caldwell Mill Opportunity Fund, LLC $1.8M
A. G. Family L.P. $1.39M
Tomsat Investment & Trading Co., ... $416.8K
Rebecca S. Satterfield $121.6K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-8 of 13 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Thomas A. Satterfield Jr.
3/4/5
10%+ Owner
class O/S missing
$4,059,026
5,843,688 shares
31 May 2022
Caldwell Mill Opportunity Fund, LLC
3/4/5
10%+ Owner
class O/S missing
$1,801,576
2,593,688 shares
31 May 2022
A. G. Family L.P.
3/4/5
10%+ Owner
class O/S missing
$1,389,200
2,000,000 shares
23 May 2022
Tomsat Investment & Trading Co., Inc.
3/4/5
10%+ Owner
class O/S missing
$416,760
600,000 shares
23 May 2022
Rebecca S. Satterfield
3/4/5
10%+ Owner
class O/S missing
$121,555
175,000 shares
09 May 2022
Bruce A. Jaffe
3/4/5
Director
class O/S missing
$141,974
204,397 shares
21 Dec 2022
Dawn G. Lepore
3/4/5
Director
class O/S missing
$112,753
162,328 shares
21 Dec 2022
Michael B. Slade
3/4/5
Director
class O/S missing
$111,012
159,822 shares
21 Dec 2022
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 13 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to REALNETWORKS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
Thomas A. Satterfield Jr.
Net 12M change
$0
Latest report
23 Dec 2022
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Thomas A. Satterfield Jr. 10%+ Owner $4,059,026 Mixed 31 May 2022
Caldwell Mill Opportunity Fund, LLC 10%+ Owner $1,801,576 Mixed 31 May 2022
A. G. Family L.P. 10%+ Owner $1,389,200 Mixed 23 May 2022
Tomsat Investment & Trading Co., Inc. 10%+ Owner $416,760 Mixed 23 May 2022
Bruce A. Jaffe Director $141,974 Mixed 21 Dec 2022
Rebecca S. Satterfield 10%+ Owner $121,555 Mixed 09 May 2022
Dawn G. Lepore Director $112,753 Mixed 21 Dec 2022
Michael B. Slade Director $111,012 Mixed 21 Dec 2022
Christopher R. Jones Director $97,757 Mixed 21 Dec 2022
Erik Prusch Director $72,209 Mixed 21 Dec 2022
Tim M. Wan Director $72,209 Mixed 21 Dec 2022
Christine Chambers Cfo $29,200 Mixed 23 Dec 2022
Michael A. Cooley President, Messaging $13,892 Mixed 23 Dec 2022
Brian McCain Cfo Mixed 23 Dec 2022
Michael Parham SVP General Counsel Mixed 21 Dec 2022
Robert Glaser Chairman and CEO, Director, 10%+ Owner Mixed 21 Dec 2022
Michael Ensing President & COO Mixed 21 Dec 2022

Recent insider transactions for REALNETWORKS INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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