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Who

Mark L. Zajac

CFO

Company insider

Files Form 4 as: CFO, U.S. Energy.

In numbers

Trades disclosed
12
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
0
First trade
1 Jun 2023
Last trade
19 Mar 2026
Last filed
20 Mar 2026

Companies traded

Where they are an officer
U.S. EnergyOfficer · Oil & Gas E&P · last 19 Mar 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
19 Mar 2026filed 20 Mar 2026U.S. EnergyOil & Gas E&PSEC FORM 4 Code F$22K21,853 at $1.02filing
19 Mar 2026filed 20 Mar 2026BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code F$22K21,853 at $1.02filing
4 Mar 2026filed 6 Mar 2026U.S. Energyoption or derivative · Oil & Gas E&PSEC FORM 4 Code A—375,000 at $0.00filing
4 Mar 2026filed 6 Mar 2026BSIN Big Sky Industrialoption or derivative · Oil & Gas E&PSEC FORM 4 Code A—375,000 at $0.00filing
13 Feb 2026filed 6 Mar 2026U.S. EnergyOil & Gas E&PSEC FORM 4 Code F$20K20,490 at $1.00filing
13 Feb 2026filed 6 Mar 2026BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code F$20K20,490 at $1.00filing
1 Jun 2025filed 2 Jun 2025BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code F$22K18,211 at $1.22filing
19 Mar 2025filed 19 Mar 2025BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code F$32K21,853 at $1.47filing
14 Feb 2025filed 14 Feb 2025BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code A—100,000 at $0.00filing
1 Jun 2024filed 12 Jun 2024BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code F$22K20,000 at $1.11filing
19 Mar 2024filed 20 Mar 2024BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code A—180,000 at $0.00filing
1 Jun 2023filed 12 Jun 2023BSIN Big Sky IndustrialOil & Gas E&PSEC FORM 4 Code A—100,000 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

John A. WeinzierlDirector and 10% owner and Other role · Director and 10% owner and Other at Us Energy, filing Form 4 there in the last year
Ryan Lewis SmithDirector · CEO at Us Energy, filing Form 4 there in the last year
Randall D. KeysDirector · Director at Us Energy, filing Form 4 there in the last year
James W. Denny IIIDirector · Director at Us Energy, filing Form 4 there in the last year
Stephen SlackDirector · Director at Us Energy, filing Form 4 there in the last year