Entity type
Individual
Filer Snapshot
Yi Yang Tsai
CIK 0002121650. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
2
Latest filing
01 Jun 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 AGCC. 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
AGCC
22 Oct 2025 · $219.68M
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Source: SEC filing 144
View source filing
144 filed on 01 Jun 2026 for CIK 0002121650.
- 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$219.68MReporting-owner positions with enough filing detail to estimate value.
Forms 3/4/5 position value
3/4/5$219.68MEstimated 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.
AGCCHow 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
- Unit 3, 9 Th Floor, No. 313, Dalin Rd 7 Th, Neighborhood, Yuanlin Li, Daya District, Taichung City, 00000
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 Yi Yang Tsai
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 AGCC worth $219.68M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
AGCC
22 Oct 2025 · Chief Executive Officer · 10% owner
Latest update
What changed recently for Yi Yang Tsai
Latest ownership report period: 22 Oct 2025. Open the source-backed page to inspect the fresh filing or facts context.
Update date
16 Apr 2026
Page type
Ownership filings
Latest period
22 Oct 2025
Ownership context was refreshed from SEC Forms 3/4/5 filed on 16 Apr 2026.
SEC filing record
CIK 0002121650 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
2
First seen
16 Apr 2026
Latest filing
01 Jun 2026
Entity
Individual
Observed form types
144
3
CIK-linked evidence first
Latest Filings
Showing the latest 2 of 2 SEC filings for Yi Yang Tsai.
144
144 filing
- Filing date
- 01 Jun 2026
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
File 001-42892
3 filing
- Filing date
- 16 Apr 2026
- Reporting date
- 22 Oct 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing