Sidus Space Inc.
SIDU- Exchange
- Nasdaq
- Industry
- Radiotelephone Communications
- SEC CIK
- 0001879726
No open-market purchases or sales by Sidus Space Inc. insiders were filed in the last 90 days; 112 institutions reported holding it in 13F filings for Q2 2026, worth $81.3M in total; no superinvestor holds it.
Holders of 5% or more of SIDU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Sidus Space Inc., largest stake first. The change is against the holder's previous filing.
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
6 Schedule 13D and 13G filings on Sidus Space Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Dec 31, 202512:11 PM ET | CVI Investments, Inc.and 1 other | 13G | 7.40%4.00M shares | New | Dec 22, 2025 | SEC |
| May 14, 20253:12 PM ET | Ayrton Capital LLCand 2 others | 13G/A | 1.31%241.5K shares | −7.09 ppfrom 8.40%Below 5% | Mar 31, 2025 | SEC |
| Apr 24, 202510:59 AM ET | Empery Asset Management, LPand 2 others | 13G/A | 1.31%241.5K shares | −4.31 ppfrom 5.62%Below 5% | Mar 31, 2025 | SEC |
| Feb 13, 20251:03 PM ET | Ayrton Capital LLCand 2 others | 13G | 8.40%724.6K shares | New | Dec 31, 2024 | SEC |
| Jan 16, 20259:31 AM ET | Empery Asset Management, LPand 2 others | 13G | 5.62%483.1K shares | New | Dec 31, 2024 | SEC |
| Jan 11, 20246:40 PM ET | Farrens Michael Shane | 13G | 8.10%80.0K shares | New | Jan 2, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Sidus Space Inc. shares.
No Form 144 notices for Sidus Space Inc. are on file.