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Who

Chansoo Joung

Director

Company insider

Files Form 4 as: Director, Apa; Director, Magellan Midstream Partners, L.P; Director, Apache; Director, Targa Resources; Director and 10% owner, Targa Resources Partners LP.

Every Form 4 they filed

In numbers

Trades disclosed
263
Buys
9
Sells
3
Bought
$6.5M
Sold
$378.1M
Companies
5
Companies where not an officer
5
First trade
25 Mar 2008
Last trade
30 Sep 2026
Last filed
1 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
APA ApaDirector · Oil & Gas E&P · last 30 Sep 20262 buys · 1 sell
Magellan Midstream Partners, L.PDirector · last 25 Sep 20233 buys · 0 sells
ApacheDirector · last 22 Feb 20213 buys · 0 sells
TRGP Targa ResourcesDirector · Midstream & Pipelines · last 10 Dec 20100 buys · 1 sell
Targa Resources Partners LPDirector, 10% owner · last 25 Aug 20101 buy · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 1 Oct 2026APA ApaOil & Gas E&PSEC FORM 4 Code A—1,203 at $0.00filing
30 Jun 2026filed 1 Jul 2026APA ApaOil & Gas E&PSEC FORM 4 Code A—1,535 at $0.00filing
30 Jun 2026filed 1 Jul 2026APA ApaOil & Gas E&PSEC FORM 4 Code A—1,535 at $0.00filing
31 Mar 2026filed 2 Apr 2026APA ApaOil & Gas E&PSEC FORM 4 Code A—1,178 at $0.00filing
31 Mar 2026filed 2 Apr 2026APA ApaOil & Gas E&PSEC FORM 4 Code A—1,178 at $0.00filing
31 Dec 2025filed 5 Jan 2026APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,044 at $0.00filing
31 Dec 2025filed 5 Jan 2026APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code A—2,044 at $0.00filing
31 Dec 2025filed 5 Jan 2026APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,044 at $0.00filing
31 Dec 2025filed 5 Jan 2026APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,044 at $0.00filing
31 Dec 2025filed 5 Jan 2026APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code A—2,044 at $0.00filing
31 Dec 2025filed 5 Jan 2026APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,044 at $0.00filing
30 Sep 2025filed 1 Oct 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,059 at $0.00filing
30 Sep 2025filed 1 Oct 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code A—2,059 at $0.00filing
30 Sep 2025filed 1 Oct 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,059 at $0.00filing
22 Aug 2025filed 25 Aug 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code J$24K1,086 at $21.64filing
30 Jun 2025filed 1 Jul 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,733 at $0.00filing
30 Jun 2025filed 1 Jul 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code A—2,733 at $0.00filing
30 Jun 2025filed 1 Jul 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code M—2,733 at $0.00filing
22 May 2025filed 27 May 2025APA Apaoption or derivative · Oil & Gas E&PSEC FORM 4 Code J$22K1,343 at $16.74filing
3 Apr 2025filed 3 Apr 2025APA ApaOil & Gas E&PSEC FORM 4 Bought$1.4M75,000 at $18.25filing

Sectors

Energy4
Not placed8

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

Related people

David L. StoverDirector · Director at Apa, filing Form 4 there in the last year
Peter A. RagaussDirector · Director at Apa, filing Form 4 there in the last year
Kenneth M. FisherDirector · Director at Apa, filing Form 4 there in the last year
Annell R. BayDirector · Director at Apa, filing Form 4 there in the last year
Juliet S. EllisDirector · Director at Apa, filing Form 4 there in the last year
Paul W. ChungDirector · Also traded TRGP in the last 90 days
Charles R. CrispDirector · Also traded TRGP in the last 90 days
Waters S. Davis IVDirector · Also traded TRGP in the last 90 days