BERG MARK STEPHEN

USNatural personDirector

Insider

BERG MARK STEPHEN

USNatural personDirector

Transactions

255

Issuers

Buys / Sells

8/104

Last tx

20 May 2026

Behaviour

2 purchases reported after at least 12 months of silence — most recent on 24 Aug 2020.

Current positions

Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.

Issuer	Shares	Source	Last tx	Detail
HighPoint Resources Corp	138,588	reported	04 Jun 2020	tx 10+218,011−79,423
ProPetro Holding Corp.	9,101	reported	20 May 2026	tx 8+110,645−44,635
PIONEER NATURAL RESOURCES CO	0	reported	03 May 2024	tx 225+647,588−665,408
Pioneer Southwest Energy Partners L.P.	0	reported	17 Dec 2013	tx 13+16,426−16,426

Recent transactions

Date	Type	Issuer	Qty	Price	Signals
20 May 2026	GRANT_AWARD	ProPetro Holding Corp.	9,101	0.00 USD	deriv
18 May 2026	EXERCISE	ProPetro Holding Corp.	28,181	—
18 May 2026	EXERCISE	ProPetro Holding Corp.	28,181	0.00 USD	deriv
21 May 2025	GRANT_AWARD	ProPetro Holding Corp.	28,181	0.00 USD

InsiderLens aggregates public information issued by financial regulators (SEC, AMF, FCA, BaFin, AFM, FI, HKEX, ASX). The service constitutes neither investment advice nor a recommendation to buy or sell. Past performance is no guarantee of future results. Investing in financial instruments carries the risk of capital loss.

Current positions

Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.

Issuer	Shares	Source	Last tx	Detail
HighPoint Resources Corp	138,588	reported	04 Jun 2020	tx 10+218,011−79,423
ProPetro Holding Corp.	9,101	reported	20 May 2026	tx 8+110,645−44,635
PIONEER NATURAL RESOURCES CO	0	reported	03 May 2024	tx 225+647,588−665,408
Pioneer Southwest Energy Partners L.P.	0	reported	17 Dec 2013	tx 13+16,426−16,426

Recent transactions

Date	Type	Issuer	Qty	Price	Signals
20 May 2026	GRANT_AWARD	ProPetro Holding Corp.	9,101	0.00 USD	deriv
18 May 2026	EXERCISE	ProPetro Holding Corp.	28,181	—
18 May 2026	EXERCISE	ProPetro Holding Corp.	28,181	0.00 USD	deriv
21 May 2025	GRANT_AWARD	ProPetro Holding Corp.	28,181	0.00 USD