Entity type
Individual
Filer Snapshot
Stephen Mitchell Howell Jr.
CIK 0002025334. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
5
Latest filing
05 Jan 2026
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 RIOT. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
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No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
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Populates from the latest parsed 13F information table.
Open holding13D/G large stake
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No recent parsed 13D/G stake row for this CIK.
Browse 13D/GInsider / owner context
RIOT
01 Jan 2026 · $31.98M
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Source: SEC Forms 3/4/5
View source filing
4 filed on 05 Jan 2026 for CIK 0002025334.
- Parsed SEC ownership signals
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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$31.98MReporting-owner positions with enough filing detail to estimate value.
Forms 3/4/5 position value
3/4/5$31.98MEstimated 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.
RIOTHow 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.
- Business address
- C/O Riot Platforms, Inc., 3855 Ambrosia Street, Suite 301, Castle Rock, CO, 80109
Ownership signals
CIK-linked ownership evidence from parsed SEC filings.
1 signal
At a glance
Names, identifiers, and filing context for this profile.
1 identity field
Filer intelligence
What SEC filings say about Stephen Mitchell Howell Jr.
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 RIOT worth $31.98M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
RIOT
01 Jan 2026 · COO
Latest update
What changed recently for Stephen Mitchell Howell Jr.
Latest ownership report period: 01 Jan 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
05 Jan 2026
Page type
Ownership filings
Latest period
01 Jan 2026
Ownership context was refreshed from SEC Forms 3/4/5 filed on 05 Jan 2026.
SEC filing record
CIK 0002025334 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
5
First seen
11 Jun 2024
Latest filing
05 Jan 2026
Entity
Individual
Observed form types
4
4/A
3
CIK-linked evidence first
Latest Filings
Showing the latest 5 of 5 SEC filings for Stephen Mitchell Howell Jr..
4
File 001-33675
4 filing
- Filing date
- 05 Jan 2026
- Reporting date
- 01 Jan 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4/A
File 001-33675
4/A filing
- Filing date
- 10 Oct 2025
- Reporting date
- 01 Jul 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-33675
4 filing
- Filing date
- 03 Jul 2025
- Reporting date
- 01 Jul 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-33675
4 filing
- Filing date
- 03 Jul 2024
- Reporting date
- 01 Jul 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
File 001-33675
3 filing
- Filing date
- 11 Jun 2024
- Reporting date
- 01 Jun 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing