Big Sky Industrial Inc.
BSIN- Exchange
- Nasdaq
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0000101594
No open-market purchases or sales by Big Sky Industrial Inc. insiders were filed in the last 90 days; 39 institutions reported holding it in 13F filings for Q2 2026, worth $8.48M in total; no superinvestor holds it.
Holders of 5% or more of BSIN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Big Sky Industrial Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Weinzierl John A | 13D/A | 26.00%9.27M shares | −5.80 ppfrom 31.80% | Jan 14, 20252 filings | Oct 30, 2025 | SEC |
| Batchelor Joshua Lane | 13D/A | 17.60%6.20M shares | – | Jan 29, 20251 filing | Jan 29, 2025 | SEC |
| Synergy Offshore LLC | 13D/A | 11.60%3.58M shares | – | Jan 22, 20251 filing | Jan 22, 2025 | SEC |
| King Duane H | 13D/A | 7.20%2.55M shares | – | Oct 30, 20251 filing | Oct 30, 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
5 Schedule 13D and 13G filings on Big Sky Industrial Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 30, 20256:17 PM ET | King Duane Hand 1 other | 13D/A | 7.20%2.55M shares | – | Oct 28, 2025 | SEC |
| Oct 30, 20256:14 PM ET | Weinzierl John Aand 2 others | 13D/A | 26.00%9.27M shares | −5.80 ppfrom 31.80% | Oct 28, 2025 | SEC |
| Jan 29, 20259:23 AM ET | Batchelor Joshua Laneand 6 others | 13D/A | 17.60%6.20M shares | – | Jan 27, 2025 | SEC |
| Jan 22, 20257:02 PM ET | Synergy Offshore LLCand 2 others | 13D/A | 11.60%3.58M shares | – | Jan 9, 2025 | SEC |
| Jan 14, 20254:17 PM ET | Weinzierl John Aand 2 others | 13D/A | 31.80%9.80M shares | – | Jan 9, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Big Sky Industrial Inc. shares.
No Form 144 notices for Big Sky Industrial Inc. are on file.