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Who

Margaret Katherine Banks

Director

Company insider

Files Form 4 as: Director, Peabody Energy; Director, Halliburton.

Every Form 4 they filed

In numbers

Trades disclosed
56
Buys
0
Sells
5
Bought
$0
Sold
$768K
Companies
2
Companies where not an officer
2
First trade
28 Feb 2019
Last trade
3 Sep 2026
Last filed
8 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
BTU Peabody EnergyDirector · Coal · last 3 Sep 20260 buys · 0 sells
HAL HalliburtonDirector · Oilfield services · last 26 Jan 20260 buys · 5 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
3 Sep 2026filed 8 Sep 2026BTU Peabody EnergyCoalSEC FORM 4 Code A$1,79765 at $27.64filing
3 Sep 2026filed 8 Sep 2026BTU Peabody EnergyCoalSEC FORM 4 Code A$1,79765 at $27.64filing
8 Jun 2026filed 10 Jun 2026BTU Peabody EnergyCoalSEC FORM 4 Code A$1,66359 at $28.19filing
8 Jun 2026filed 10 Jun 2026BTU Peabody EnergyCoalSEC FORM 4 Code A$1,66359 at $28.19filing
8 May 2026filed 12 May 2026BTU Peabody EnergyCoalSEC FORM 4 Code A—5,298 at $0.00filing
8 May 2026filed 12 May 2026BTU Peabody EnergyCoalSEC FORM 4 Code A—5,298 at $0.00filing
10 Mar 2026filed 12 Mar 2026BTU Peabody EnergyCoalSEC FORM 4 Code A$1,27039 at $32.56filing
10 Mar 2026filed 12 Mar 2026BTU Peabody EnergyCoalSEC FORM 4 Code A$1,27039 at $32.56filing
26 Jan 2026filed 27 Jan 2026HAL HalliburtonOilfield servicesSEC FORM 4 Sold$89K2,600 at $34.18filing
26 Jan 2026filed 27 Jan 2026HAL HalliburtonOilfield servicesSEC FORM 4 Sold$89K2,600 at $34.18filing
5 Dec 2025filed 9 Dec 2025HAL Halliburtonoption or derivative · Oilfield servicesSEC FORM 4 Code A—7,485 at $0.00filing
5 Dec 2025filed 9 Dec 2025HAL Halliburtonoption or derivative · Oilfield servicesSEC FORM 4 Code M—6,092 at $0.00filing
5 Dec 2025filed 9 Dec 2025HAL HalliburtonOilfield servicesSEC FORM 4 Code M—6,092 at $0.00filing
3 Dec 2025filed 5 Dec 2025BTU Peabody EnergyCoalSEC FORM 4 Code A$1,26543 at $29.43filing
3 Sep 2025filed 5 Sep 2025BTU Peabody EnergyCoalSEC FORM 4 Code A$1,26574 at $17.09filing
4 Jun 2025filed 6 Jun 2025BTU Peabody EnergyCoalSEC FORM 4 Code A$1,26094 at $13.40filing
9 May 2025filed 13 May 2025BTU Peabody EnergyCoalSEC FORM 4 Code A—8,747 at $0.00filing
11 Mar 2025filed 13 Mar 2025BTU Peabody EnergyCoalSEC FORM 4 Code A$60844 at $13.81filing
4 Mar 2025filed 5 Mar 2025HAL HalliburtonOilfield servicesSEC FORM 4 Sold$94K3,900 at $24.04filing
6 Dec 2024filed 10 Dec 2024HAL Halliburtonoption or derivative · Oilfield servicesSEC FORM 4 Code M—4,826 at $0.00filing

Sectors

Energy5

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

Related people

Maurice S. SmithDirector · Director at Halliburton Co, filing Form 4 there in the last year
Stephen E. GormanDirector · Director at Peabody Energy, filing Form 4 there in the last year
Clayton D. WalkerDirector · Director at Peabody Energy, filing Form 4 there in the last year
Malcolm James RobertsEVP & Chief Commercial Officer · EVP & Chief Commercial Officer at Peabody Energy, filing Form 4 there in the last year
Andrea E. BertoneDirector · Director at Peabody Energy, filing Form 4 there in the last year
Eric CarreEVP & Chief Financial Officer · Also traded HAL in the last 90 days
Jeffrey Shannon SlocumDirector, EVP and COO · Also traded HAL in the last 90 days
Jeffrey Allen MillerDirector, President & CEO · Also traded HAL in the last 90 days