BERG MARK STEPHEN Insider Trading -- Recent SEC Form 4 Transactions

BERG MARK STEPHEN (CIK 1238881) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Buy PUMP (28,181 shares), Buy PUMP (16,454 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-19ProPetro Holding Corp. (PUMP)DirectorBuy28,181$0
2025-05-09ProPetro Holding Corp. (PUMP)DirectorBuy16,454$0

Source: SEC Form 4 filings · as of 2026-05-19