David J Tudor

CIK 1432308 · last filed 2026-06-03

David J Tudor is a corporate insider who has filed 44 SEC Form 4 insider transactions across 3 companies since 2008. The most recent filing, for NBR, was dated Jun 3, 2026. Across all open-market trades the lifetime net is −$790.5K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.3M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$2.25M

Companies

3

Total Filings

44

Lifetime Open-Market Net

-$790.5K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
NBR Director 8,464 $101.63 $860.2K $0 2 2026-06-03
WES Director 31,241 $44.57 $1.39M -$860.4K 29 2020-05-18
Western Midstream Partners, LP (WGP) Delisted Director 8,463 $70.0K 12 2018-06-04

Recent Filings

44 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-03 NBR Grant (A) +1,324 $0 EDGAR
2025-07-25 NBR Grant (A) +6,440 $0 EDGAR
2020-05-18 WES Grant (A) $0 EDGAR
2019-09-23 WES Sell (S) −5,000 -$135.0K EDGAR
2019-08-12 WES Exer (M) +4,202 $0 EDGAR
2019-05-09 WES Mixed +4,484 $0 EDGAR
2019-03-04 Disp (D) −12,519 $0
2019-03-04 WES Grant (A) +19,092 $0 EDGAR
2018-06-04 WES Exer (M) +1,795 $0 EDGAR
2018-06-04 Western Midstream Partners, LP (WGP) Delisted Exer (M) +1,153 $0 EDGAR
Showing 110 of 44
Page 1 of 5
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.