Mark Chalmers
CIK: 0001678867
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ENERGY FUELS INC
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Jan 27, 2026UUUU
ENERGY FUELS INC
Award(A)Direct38.3K shares- - Jan 27, 2026UUUU
ENERGY FUELS INC
Tax Payment(F)Direct59.4K shares at avg. $24.16$1.4M - Nov 19, 2025UUUU
ENERGY FUELS INC
Sale(S)Direct150K shares at avg. $15.60$2.3M - Jan 29, 2025UUUU
ENERGY FUELS INC
Award(A)Direct166K shares- - Jan 27, 2025UUUU
ENERGY FUELS INC
Tax Payment(F)Direct45.4K shares at avg. $5.17$235K - Dec 12, 2024UUUU
ENERGY FUELS INC
Award(A)Direct19.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jan 27, 2026 | UUUU ENERGY FUELS INC | Award(A) | 38,289 | - | $0 | Direct |
| Jan 27, 2026 | UUUU ENERGY FUELS INC | Tax Payment(F) | 59,407 | $24.16 | $1,435,273 | Direct |
| Nov 19, 2025 | UUUU ENERGY FUELS INC | Sale(S) | 150,000 | $15.60 | $2,340,450 | Direct |
| Jan 29, 2025 | UUUU ENERGY FUELS INC | Award(A) | 166,042 | - | $0 | Direct |
| Jan 27, 2025 | UUUU ENERGY FUELS INC | Tax Payment(F) | 45,372 | $5.17 | $234,573 | Direct |
| Dec 12, 2024 | UUUU ENERGY FUELS INC | Award(A) | 19,096 | - | - | Direct |
1-6 of 6 transactions
About Chalmers Mark
Chalmers Mark (SEC CIK 0001678867) files insider reports with the SEC as CEO of ENERGY FUELS INC (UUUU).
Signal8 holds 6 ownership filings by Chalmers Mark, all Form 4s, filed between Jan 29, 2025 and Apr 16, 2026. Those filings report 6 transactions, from Dec 12, 2024 to Jan 27, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Chalmers Mark's filings is in LAKEWOOD, CO.
Recent filings by Chalmers Mark
- Jan 27, 2026: Grant or award of UUUU shares (Form 4, code A).
- Jan 27, 2026: Tax withholding of UUUU shares (Form 4, code F).
- Nov 19, 2025: Open-market sale of UUUU shares (Form 4, code S).
- Jan 29, 2025: Grant or award of UUUU shares (Form 4, code A).
- Jan 27, 2025: Tax withholding of UUUU shares (Form 4, code F).
Other insiders filing for ENERGY FUELS INC (UUUU)
- Duvenhage Werner, EVP Heavy Mineral Sands
- German Oscar Armando, EVP & CHRO
- LONGENECKER NATHAN, CLO & EVP, Global Gov Relation
- Bhappu Ross R., President and CEO
- KAPOSTASY DANIEL, SVP & Chief Technical Officer
- HANSEN BRUCE D, Director