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Who

Stuart G. Lasher

Director

Company insider

Files Form 4 as: Director, Northern Oil and Gas; Director, Life Time Group Holdings.

In numbers

Trades disclosed
47
Buys
5
Sells
1
Bought
$3.4M
Sold
$3.2M
Companies
2
Companies where not an officer
2
First trade
20 Mar 2020
Last trade
30 Sep 2026
Last filed
5 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
NOG Northern Oil and GasDirector · Oil & Gas E&P · last 30 Sep 20264 buys · 0 sells
LTH Life Time Group HoldingsDirector · Entertainment, Gaming & Leisure Services · last 7 May 20261 buy · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 5 Oct 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—1,912 at $0.00filing
30 Jun 2026filed 2 Jul 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—2,410 at $0.00filing
30 Jun 2026filed 2 Jul 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—2,410 at $0.00filing
7 May 2026filed 8 May 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code M$1.5M150,000 at $10.00filing
7 May 2026filed 8 May 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$1.5M44,590 at $33.64filing
7 May 2026filed 8 May 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Sold$1.6M50,000 at $32.42filing
7 May 2026filed 8 May 2026LTH Life Time Group Holdingsoption or derivative · Entertainment, Gaming & Leisure ServicesSEC FORM 4 Code M—150,000 at $0.00filing
7 May 2026filed 8 May 2026LTH Life Time Group Holdingsoption or derivative · Entertainment, Gaming & Leisure ServicesSEC FORM 4 Code M—150,000 at $0.00filing
7 May 2026filed 8 May 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code M$1.5M150,000 at $10.00filing
7 May 2026filed 8 May 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code F$1.5M44,590 at $33.64filing
7 May 2026filed 8 May 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Sold$1.6M50,000 at $32.42filing
22 Apr 2026filed 24 Apr 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code A—7,009 at $0.00filing
22 Apr 2026filed 24 Apr 2026LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code A—7,009 at $0.00filing
31 Mar 2026filed 1 Apr 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—1,496 at $0.00filing
31 Mar 2026filed 1 Apr 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—1,496 at $0.00filing
31 Dec 2025filed 2 Jan 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—2,038 at $0.00filing
31 Dec 2025filed 2 Jan 2026NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—2,038 at $0.00filing
30 Sep 2025filed 2 Oct 2025NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—1,764 at $0.00filing
30 Jun 2025filed 2 Jul 2025NOG Northern Oil and GasOil & Gas E&PSEC FORM 4 Code A—1,543 at $0.00filing
25 Apr 2025filed 29 Apr 2025LTH Life Time Group HoldingsEntertainment, Gaming & Leisure ServicesSEC FORM 4 Code A—4,974 at $0.00filing

Sectors

Energy4
Consumer Discretionary2

Buys in green, sells in red, by the company’s sector.

Related people

Erik WeaverEVP & Chief Financial Officer · EVP & Chief Financial Officer at Life Time Group Holdings, filing Form 4 there in the last year
William F. KimbleDirector · Director at Northern Oil & Gas, filing Form 4 there in the last year
Michael A. FrantzDirector · Director at Northern Oil & Gas, filing Form 4 there in the last year
Jennifer S. PomerantzDirector · Director at Northern Oil & Gas, filing Form 4 there in the last year
Bahram AkradiDirector · Director at Northern Oil & Gas, filing Form 4 there in the last year
Ritadhwaja Jebens SinghEVP & Chief Digital Officer · Also traded LTH in the last 90 days
Green LTF Holdings II LPDirector · Also traded LTH in the last 90 days
John G. DanhaklDirector · Also traded LTH in the last 90 days