13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
SCHEDULE Filed 2026-01-08 Event 2025-12-11 SEC 0000898432-26-000019 →

Yu Cao FiEE, Inc. FIEE

Stake: 42.10% Shares: 4,615,012 CUSIP: 60365W102 Class: Common Stock, $0.01 par value

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
1 filings by this filer
0 other filings in the data moat
Short Interest · settle 2026-03-31
DTC 1.31
23,297 shares short · +0.5% vs prior

Post-Filing Returns · since 2025-12-11 on FIEE

+1 day
+6.5%
+5 days
+5.7%
+30 days
+30.8%
+60 days
+92.0%
+90 days
+163.1%
+180 days

Anchor price 2.63 on closest trading day on/after 2025-12-11. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on FiEE, Inc.

FiledFormFilerStakeShares
2025-03-10 SCHEDULE Lazar David E. 35.10% 2,802,254 view →
2025-01-15 SCHEDULE HITCHCOCK JEREMY P. view →
2024-01-02 SC HITCHCOCK JEREMY P. view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. $1,500/mo. Pilots welcome.

Request a pilot →