Andrews Mark D

Officer · NBR

As of 2026-09-16, Andrews Mark D has 8 Form 4 transactions on record across 1 company — 6 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $2.2MIndirect: $0$2.2Mas of 2026-09-16
  • Direct $2.2M
  • Indirect $0
NBRdirect26,101 sh$2.2M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

NBR · 8 trades
2026-02-09: Award / grant, 1,775 sh ($0)2026-02-09: Award / grant, 4,571 sh ($0)2026-01-01: Award / grant, 1,642 sh ($0)2026-01-01: Option exercise, 1,642 sh ($0)2026-01-01: Option exercise, 1,642 sh ($0)2025-12-31: Disposition, 1,582 sh ($0)2025-02-18: Award / grant, 6,933 sh ($0)2025-02-18: Award / grant, 2,191 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-09NBRAward / grant1,77521,530Form 4
2026-02-09NBRAward / grant4,57126,101Form 4
2026-01-01NBRAward / grant1,6421,642Form 4
2026-01-01NBROption exercise1,64219,755Form 4
2026-01-01NBROption exercise1,6420Form 4
2025-12-31NBRDisposition1,58218,113Form 4
2025-02-18NBRAward / grant6,93319,695Form 4
2025-02-18NBRAward / grant2,19112,762Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.