Filer Snapshot

Robert Ross McEwen

CIK 0001316599. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

84

Latest filing

29 Sep 2025

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: Forms 3/4/5 owner position for MUX. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Open owner activity Save page

Largest parsed holding

—

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

—

No recent parsed 13D/G stake row for this CIK.

Browse 13D/G

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it
Source: SEC Forms 3/4/5

4/A filed on 29 Sep 2025 for CIK 0001316599.

View source filing
Business address
2800 150 King Street West, P.O. Box 24, Toronto, Ontario, Canada, M5H 1J9

Filer intelligence

What SEC filings say about Robert Ross McEwen

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Save filer

Quick read

  • Forms 3/4/5 show insider context for MUX worth $0.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open
13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open
Forms 3/4/5 1 rows

Officer, director, and 10% owner holdings or transactions.

Open

Forms 3/4/5 insider context

MUX

19 Sep 2025 · Chairman and CEO · 10% owner

$0
Issuer page Owner page

Latest update

What changed recently for Robert Ross McEwen

Ownership report updated

Latest ownership report period: 19 Sep 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

29 Sep 2025

Page type

Ownership filings

Latest period

19 Sep 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 29 Sep 2025.

Open ownership filings Browse recent public updates

SEC filing record

CIK 0001316599 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
84
First seen
07 Feb 2005
Latest filing
29 Sep 2025
Entity
Individual

Observed form types

4/A 4 5 SC 13G SC 13D/A 3 SC 13D SC 14D9

CIK-linked evidence first

Robert Ross McEwen SEC filings Robert Ross McEwen owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 47 SEC filings for Robert Ross McEwen.

Open full filing history
4/A File 001-33190

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
19 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

OWNERSHIP DOCUMENT

Filing date
23 Sep 2025
Reporting date
19 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A File 001-33190

OWNERSHIP DOCUMENT

Filing date
23 Sep 2025
Reporting date
06 May 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

OWNERSHIP DOCUMENT

Filing date
13 Aug 2025
Reporting date
11 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

OWNERSHIP DOCUMENT

Filing date
08 May 2025
Reporting date
06 May 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
5 File 001-33190

OWNERSHIP DOCUMENT

Filing date
14 Feb 2024
Reporting date
31 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
15 Nov 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

4 filing

Filing date
01 Oct 2020
Reporting date
29 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

4 filing

Filing date
26 Jun 2020
Reporting date
25 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

4

Filing date
16 Jun 2020
Reporting date
12 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

4

Filing date
27 May 2020
Reporting date
22 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

FORM 4 -

Filing date
29 May 2019
Reporting date
24 May 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .