

Market & Alt Data
| Trade Date | Filed | Owner | Role | Type | Shares | Price | Value | Owned After | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-07 | 2026-05-11 | Bertone Andrea E. | Director | Sale | 4,584 | $24.43 | $112K | 41.6K | View | |
| 2026-03-04 | 2026-03-06 | Spurbeck Mark | EVP and CFO | Sale | 30.0K | $35.58 | $1.07M | 68.4K | View | |
| 2026-02-10 | 2026-02-12 | Yeates Darren Ronald | EVP & COO | Sale | 13.9K | $36.40 | $506K | 113.4K | View |
Informational purposes only, not investment advice.
tormere.com/research/BTU · generated 2026-11-04
| Date | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 2026-05-07 | Bertone Andrea E. | S | 4,584 | $111,987.12 |
| 2026-03-04 | Spurbeck Mark | S | 30,000 | $1M |
| 2026-02-10 | Yeates Darren Ronald | S | 13,892 | $505,668.8 |
Tormere — informational purposes only, not investment advice.
| Filed | Items | Filing |
|---|---|---|
Oct 16, 2026 accepted 8:08 PM ET | 1.04Mine safety | DocumentSEC ↗ |
Sep 9, 2026 accepted 12:00 PM ET | 7.01Reg FD disclosure | DocumentSEC ↗ |
Aug 28, 2026 accepted 8:08 PM ET | 5.02Officer / director change | DocumentSEC ↗ |
Aug 11, 2026 accepted 12:00 PM ET | 7.01Reg FD disclosure | DocumentSEC ↗ |
Jul 29, 2026 accepted 11:45 AM ET | 2.02Earnings release8.01Other events | DocumentSEC ↗ |
Jul 1, 2026 accepted 10:45 AM ET | 1.01Material agreement | DocumentSEC ↗ |
Jun 15, 2026 accepted 10:58 AM ET | 1.01Material agreement1.02Agreement terminated7.01Reg FD disclosure | DocumentSEC ↗ |
Jun 2, 2026 accepted 2:17 PM ET | 1.01Material agreement2.03New debt obligation3.02Unregistered equity sale | DocumentSEC ↗ |
May 29, 2026 accepted 1:38 AM ET | 8.01Other events | DocumentSEC ↗ |
May 28, 2026 accepted 10:59 AM ET | 8.01Other events | DocumentSEC ↗ |