Entity type
Individual
Filer Snapshot
(sean) da Shengwei
CIK 0002089104. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
1
Latest filing
17 Dec 2025
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13D/G stake for ATMV. 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
ATMV
09 Dec 2025 · 77% ownership
Open 13D/GInsider / owner context
AMCI
09 Dec 2025 · $245.89M
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Source: SEC Schedule 13D/G
View source filing
SCHEDULE 13D filed on 17 Dec 2025 for CIK 0002089104.
- 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$245.89MReporting-owner positions with enough filing detail to estimate value.
Forms 3/4/5 position value
3/4/5$245.89MEstimated 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.
AMCILargest active 13D stakes
Active large-stake positions disclosed in parsed Schedule 13D filings.
ATMVHow 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
- 4794 231 St Place S.E., Sammamish, WA, 98075
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 (sean) da Shengwei
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
- 1 recent 13D/G stake row found; top row is ATMV at 77% ownership.
- Forms 3/4/5 show insider context for AMCI worth $245.89M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
13D/G large-stake context
ATMV
09 Dec 2025 · Common Stock
Forms 3/4/5 insider context
AMCI
09 Dec 2025 · CEO · 10% owner
Latest update
What changed recently for (sean) da Shengwei
Latest Schedule 13D/G period: 09 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.
Update date
17 Dec 2025
Page type
Filer profile
Latest period
09 Dec 2025
Schedule 13D/G context is visible from filings filed on 17 Dec 2025.
SEC filing record
CIK 0002089104 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
1
First seen
17 Dec 2025
Latest filing
17 Dec 2025
Entity
Individual
Observed form types
SCHEDULE 13D
CIK-linked evidence first
Latest Filings
Showing the latest 1 of 1 SEC filings for (sean) da Shengwei.
SCHEDULE 13D
SCHEDULE 13D filing
- Filing date
- 17 Dec 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing