Filer Snapshot

Stephan Michael Spears

CIK 0001443450. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

23

Latest filing

23 Dec 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.

Largest parsed holding

Populates from the latest parsed 13F information table.

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13D/G large stake

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

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Source: SEC Forms 3/4/5

4 filed on 23 Dec 2025 for CIK 0001443450.

View source filing
Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Parsed SEC ownership signals

Parsed SEC ownership coverage

These bars compare filing-backed value available in each disclosure family. Read them as separate lenses, not as one combined ownership total.

Forms 3/4/5 positions$87.7K

Reporting-owner positions with enough filing detail to estimate value.

Forms 3/4/5 position value

3/4/5
$87.7K

Estimated from parsed Forms 3/4/5 when filings include enough share and price data.

Largest linked holdings

Largest issuer positions linked to this CIK across parsed 13F, 13D/G, and Forms 3/4/5 records.

MUX
How to read these SEC ownership signals
  • Read each filing family separately: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different SEC disclosure questions.
  • Open the linked research path when you need the filing, CIK, issuer, or CUSIP trail behind a value.
At a glance Names, identifiers, and filing context for this profile. 1 identity field
Business address
150 King Street West, Suite 2800, Toronto, Ontario, Canada, M5H 1J9

Filer intelligence

What SEC filings say about Stephan Michael Spears

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

Quick read

  • Forms 3/4/5 show insider context for MUX worth $87.7K.

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

20 Dec 2025 · VP Corporate Development

$87.7K

Latest update

What changed recently for Stephan Michael Spears

Ownership report updated

Latest ownership report period: 20 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

23 Dec 2025

Page type

Ownership filings

Latest period

20 Dec 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 23 Dec 2025.

SEC filing record

CIK 0001443450 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
23
First seen
21 Aug 2008
Latest filing
23 Dec 2025
Entity
Individual

Latest Filings

Showing the latest 12 of 21 SEC filings for Stephan Michael Spears.

4 File 001-33190

OWNERSHIP DOCUMENT

Filing date
23 Dec 2025
Reporting date
20 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

OWNERSHIP DOCUMENT

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

OWNERSHIP DOCUMENT

Filing date
19 Nov 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
10 Sep 2025
Reporting date
08 Sep 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
01 Jul 2025
Reporting date
29 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

OWNERSHIP DOCUMENT

Filing date
30 Dec 2024
Reporting date
27 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
5/A File 001-33190

OWNERSHIP DOCUMENT

Filing date
24 Jun 2024
Reporting date
31 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-33190

OWNERSHIP DOCUMENT

Filing date
18 Jun 2024
Reporting date
14 Jun 2024
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
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

FORM 4 -

Filing date
13 Jun 2019
Reporting date
11 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
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