FiEE, Inc.
FIEE- Exchange
- Nasdaq
- Industry
- Telephone & Telegraph Apparatus
- SEC CIK
- 0001467761
No open-market purchases or sales by FiEE, Inc. insiders were filed in the last 90 days; 2 institutions reported holding it in 13F filings for Q2 2026, worth $2.83K in total; no superinvestor holds it.
Holders of 5% or more of FIEE
Holders whose latest Schedule 13D or 13G filing reports 5% or more of FiEE, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Cao Yu | 13D/A | 40.60%4.62M shares | 0.00 ppfrom 40.60% | Feb 25, 20258 filings | May 22, 2026 | SEC |
| Elements Corporate Services Ltd | 13D/A | 38.00%3.20M shares | −1.90 ppfrom 39.90% | Feb 12, 20262 filings | May 4, 2026 | SEC |
| Lazar David E. | 13D/A | 35.10%2.80M shares | −43.20 ppfrom 78.30% | Dec 31, 20242 filings | Mar 10, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on FiEE, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 22, 20264:10 PM ET | Cao Yuand 3 others | 13D/A | 40.60%4.62M shares | 0.00 ppfrom 40.60% | May 12, 2026 | SEC |
| May 4, 20264:16 PM ET | Elements Corporate Services Ltdand 1 other | 13D/A | 38.00%3.20M shares | −1.90 ppfrom 39.90% | Apr 30, 2026 | SEC |
| May 4, 20264:15 PM ET | Yu Caoand 3 others | 13D/A | 40.60%4.62M shares | −1.50 ppfrom 42.10% | Apr 30, 2026 | SEC |
| Feb 12, 20264:15 PM ET | Elements Corporate Services Ltdand 1 other | 13D | 39.90%3.20M shares | New | Feb 10, 2026 | SEC |
| Jan 8, 20264:12 PM ET | Yu Caoand 3 others | 13D/A | 42.10%4.62M shares | −7.80 ppfrom 49.90% | Dec 11, 2025 | SEC |
| Aug 25, 20254:30 PM ET | Yu Caoand 3 others | 13D/A | 49.90%4.62M shares | +9.20 ppfrom 40.70% | Jun 23, 2025 | SEC |
| May 29, 20254:19 PM ET | Yu Caoand 3 others | 13D/A | 40.70%3.19M shares | +6.70 ppfrom 34.00% | May 9, 2025 | SEC |
| May 13, 20254:13 PM ET | Yu Caoand 3 others | 13D/A | 34.00%3.19M shares | −26.00 ppfrom 60.00% | May 9, 2025 | SEC |
| Apr 14, 20254:24 PM ET | Yu Caoand 3 others | 13D/A | 60.00%3.38M shares | +24.30 ppfrom 35.70% | Apr 10, 2025 | SEC |
| Mar 10, 20255:28 PM ET | Lazar David E. | 13D/A | 35.10%2.80M shares | −43.20 ppfrom 78.30% | Feb 18, 2025 | SEC |
| Feb 25, 20258:43 PM ET | Yu Caoand 3 others | 13D | 35.70%3.42M shares | New | Feb 18, 2025 | SEC |
| Jan 15, 20254:01 PM ET | Hitchcock Jeremy P.and 5 others | 13D/A | 0.00%0 shares | –Below 5% | Dec 26, 2024 | SEC |
| Dec 31, 20244:57 PM ET | Lazar David E. | 13D/A | 78.30%7.51M shares | – | Dec 26, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell FiEE, Inc. shares.
No Form 144 notices for FiEE, Inc. are on file.