John B Walker Net Worth - Insider Trades and Bio as of May 30, 2026

MGYMagnolia Oil & Gas CorpSEC CIK: 0001374442

Estimated Net Worth

$2.48 Billion

Last Updated: May 19, 2026 11:31 PM EST

Transaction Summary

Total Transactions87

Buy-Sell Ratio2.90

Buy Transactions29

Sell Transactions10

Transaction Volume

Total Volume-$2.14B

Net Volume$2.19B

Buy Volume$26.10M

Sell Volume-$2.16B

Trade Analysis

AVG Trade Size-$25.68M

Largest Trade$4.98M

Most Active MonthDec

Most Active Year2012

Trading Sentiment

OverallBullish

Recent TradeSelling

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

John B Walker has an estimated net worth of $2.48 Billion. This is based on reported shares across multiple companies, which include Magnolia Oil & Gas Corp, PetroLogistics LP, and EV Energy Partners, LP.

2007 was John B Walker's most active year for acquiring shares with 44 total transactions. John B Walker's most active month to acquire stocks was the month of September. 2022 was John B Walker's most active year for disposing of shares, totalling 13 transactions. John B Walker's most active month to dispose stocks was the month of December. 2013 saw John B Walker paying a total of $10,078,809.09 for 371,919 shares, this is the most they've acquired in one year. In 2024 John B Walker cashed out on 35,303,326 shares for a total of $577,650,000.00, their largest year based on trade value.

Holdings & Transactions

MGYmagnolia oil & gas corp

Updated: Sep 25, 2024VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.50	7.50M	$25.86	-$193.95M	Sep 25, 2024	8.24M	Sale	—	Sep 23	View
From 4	-0.50	15.00M	$25.58	-$383.70M	May 15, 2024	15.74M	Sale	—	May 14	View
From 4	0.01	6.36K	—	—	May 09, 2024	8.91M	Grant	—	May 07	View
From 4	0.01	7.52K	—	—	May 05, 2023	8.91M	Grant	—	May 03	View
From 4	-0.24	9.50M	$24.26	-$230.47M	Nov 08, 2022	30.72M	Sale	—	Nov 08	View
From 4	-0.19	9.50M	$27.01	-$256.59M	Jun 06, 2022	40.22M	Sale	—	Jun 06	View
From 4	0.01	5.28K	—	—	May 05, 2022	14.13M	Grant	—	May 04	View
From 4	-0.17	10.00M	$21.72	-$217.20M	Mar 14, 2022	49.72M	Sale	—	Mar 14	View
From 4	-0.13	8.90M	$21.00	-$187.00M	Feb 07, 2022	59.72M	Sale	Scheduled	Feb 03	View
From 4	-0.07	5.00M	$18.50	-$92.50M	Oct 12, 2021	68.62M	Sale	Scheduled	Oct 07	View
From 4	-0.13	10.50M	$16.38	-$171.99M	Sep 30, 2021	73.62M	Sale	—	Sep 28	View
From 4	-0.13	12.60M	$14.35	-$180.81M	Jun 21, 2021	84.12M	Sale	—	Jun 18	View
From 4	0.02	11.52K	—	—	May 06, 2021	30.10M	Grant	—	May 04	View
From 4	-0.20	24.55M	$10.16	-$249.34M	Mar 09, 2021	96.71M	Sale	—	Mar 05	View
From 4	2.34	375.00K	—	—	Feb 01, 2021	35.47M	Grant	—	Feb 01	View
From 4	1.27	27.84K	—	—	May 06, 2020	35.10M	Grant	—	May 04	View
From 4	-0.07	6.00M	$11.52	-$69.12M	Dec 18, 2019	85.79M	Disposition	—	Dec 18	View
From 4	1.00	10.96K	—	—	Jun 11, 2019	35.07M	Grant	—	Jun 07	View
From 4	-0.02	2.05M	$10.00	-$20.52M	Apr 05, 2019	126.85M	Disposition	—	Mar 29	View
From 4	0.03	4.00M	—	—	Oct 09, 2018	128.90M	Grant	—	Oct 04	View
From 4	—	160.00K	$13.76	$2.20M	Sep 12, 2018	124.90M	Purchase	—	Sep 10 - 12	View
From 4	0.04	4.50M	—	—	Sep 06, 2018	124.74M	Grant	—	Sep 04	View
From 4	0.04	4.51M	—	—	Aug 24, 2018	120.24M	Grant	—	Aug 16 - 22	View
From 3	—	—	—	—	Aug 10, 2018	31.79M	—	—	—	View

ev energy partners, lp

Exec. Chairman the Board Director

Updated: Jan 18, 2017

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	—	—	—	Jan 18, 2017	2.80M	Options	—	Jan 13	View
From 4	—	115.46K	—	—	Dec 12, 2016	115.46K	Grant	—	Dec 08	View
From 4	—	—	—	—	Jan 20, 2016	2.75M	Options	—	Jan 15	View
From 4	—	112.50K	—	—	Dec 09, 2015	112.50K	Grant	—	Dec 07	View
From 4	0.22	100.00K	$3.90	$390.27K	Nov 12, 2015	2.73M	Purchase	—	Nov 10 - 11	View
From 4	0.13	300.00K	$14.25	$4.28M	Apr 13, 2015	2.63M	Purchase	—	Apr 09	View
From 4	—	—	—	—	Jan 20, 2015	2.33M	Options	—	Jan 15	View
From 4	0.04	80.00K	$23.20	$1.86M	Dec 12, 2014	2.29M	Purchase	—	Dec 10 - 12	View
From 4	—	25.00K	—	—	Dec 10, 2014	25.00K	Grant	—	Dec 08	View
From 4	0.03	70.00K	$25.90	$1.81M	Dec 08, 2014	2.21M	Purchase	—	Dec 05	View
From 4	0.29	3.00K	$29.12	$87.36K	Nov 12, 2014	2.14M	Purchase	—	Nov 11	View
From 4	—	—	—	—	Jan 17, 2014	2.14M	Options	—	Jan 15	View
From 4	0.00	5.60K	$34.05	$190.70K	Dec 24, 2013	2.10M	Purchase	—	Dec 20	View
From 4	0.09	150.00K	$32.08	$4.81M	Dec 23, 2013	2.10M	Purchase	—	Dec 19	View
From 4	—	21.00K	—	—	Dec 18, 2013	21.00K	Grant	—	Dec 16	View
From 4	0.08	135.00K	$36.86	$4.98M	Oct 22, 2013	1.95M	Purchase	—	Oct 18	View
From 4	-0.03	56.25K	—	—	Jan 17, 2013	1.81M	Options	—	Dec 26 - 15	View
From 4	—	28.00K	—	—	Dec 21, 2012	28.00K	Grant	—	Dec 19	View
From 4/A	—	—	—	—	Dec 14, 2012	1.82M	Acq/Dis	—	Dec 12	View
From 4	—	—	—	—	Dec 14, 2012	1.82M	Acq/Dis	—	Dec 12	View
From 4	0.00	1.20K	$47.50	$57.00K	Jun 25, 2012	1.94M	Purchase	—	Jun 22	View
From 4	0.01	10.00K	$49.97	$499.70K	Jun 04, 2012	1.06M	Purchase	—	Jun 01	View
From 4	0.01	10.00K	$59.02	$590.20K	Apr 18, 2012	867.93K	Purchase	—	Apr 18	View
From 4	0.00	2.00K	$64.21	$128.42K	Apr 13, 2012	857.93K	Purchase	—	Apr 12	View
From 4	-0.05	50.00K	—	—	Jan 17, 2012	1.04M	Options	—	Dec 21 - 13	View
From 4/A	—	785.77K	—	—	Dec 15, 2011	785.77K	Acq/Dis	—	Dec 12 - 14	View
From 4	—	785.77K	—	—	Dec 14, 2011	785.77K	Acq/Dis	—	Dec 14 - 12	View
From 4	—	45.00K	—	—	Sep 13, 2011	45.00K	Grant	—	Sep 09	View
From 4	0.00	1.30K	$49.69	$64.59K	May 17, 2011	1.04M	Purchase	—	May 17	View
From 4	-0.18	1.01M	—	—	Jan 19, 2011	4.73M	Options	—	Feb 16 - 14	View
From 4	—	40.00K	—	—	Dec 17, 2010	40.00K	Grant	—	Dec 15	View
From 4	0.01	10.00K	$28.08	$280.80K	Feb 11, 2010	2.01M	Purchase	—	Feb 09	View
From 4	—	—	—	—	Jan 20, 2010	2.00M	Options	—	Jan 15	View
From 4	—	35.00K	—	—	Dec 14, 2009	35.00K	Grant	—	Dec 11	View
From 4	2.37	1.39M	—	—	Nov 19, 2009	1.97M	Options	—	Nov 17	View
From 4	—	60.00K	—	—	Mar 16, 2009	60.00K	Grant	—	Mar 12	View
From 4	—	—	—	—	Jan 21, 2009	652.75K	Options	—	Jan 15	View
From 4	0.03	17.20K	$12.36	$212.59K	Dec 31, 2008	634.41K	Purchase	—	Dec 30	View
From 4	—	30.00K	—	—	Dec 19, 2008	30.00K	Grant	—	Dec 17	View
From 4	0.08	45.00K	$12.73	$573.02K	Oct 14, 2008	617.21K	Purchase	—	Oct 09 - 10	View
From 4	0.04	20.00K	$15.32	$306.32K	Oct 08, 2008	572.21K	Purchase	—	Oct 06	View
From 4	0.03	16.10K	$18.17	$292.59K	Sep 22, 2008	552.21K	Purchase	—	Sep 18 - 19	View
From 4	1.19	291.11K	—	—	Sep 10, 2008	536.11K	Purchase	—	Sep 08	View
From 4	0.22	44.40K	$22.02	$977.47K	Mar 24, 2008	245.00K	Purchase	—	Mar 20	View
From 4	0.05	10.00K	$27.56	$275.58K	Jan 23, 2008	200.60K	Purchase	—	Jan 22	View
From 4	—	—	—	—	Jan 18, 2008	190.60K	Options	—	Jan 15	View
From 4	0.03	10.00K	$31.70	$317.03K	Dec 20, 2007	356.21K	Purchase	—	Dec 18 - 19	View
From 4	—	25.00K	—	—	Dec 17, 2007	25.00K	Grant	—	Dec 13	View
From 4	0.01	2.00K	$31.84	$63.67K	Nov 29, 2007	170.60K	Purchase	—	Aug 28	View
From 4	0.05	8.00K	$35.24	$281.93K	Oct 11, 2007	164.60K	Purchase	—	Oct 09	View
From 4	0.02	4.00K	$35.23	$140.90K	Oct 11, 2007	168.60K	Purchase	—	Oct 10	View
From 4	—	20.00K	—	—	Jan 29, 2007	20.00K	Grant	—	Jan 25	View
From 4	0.05	7.00K	$22.41	$156.84K	Dec 11, 2006	156.60K	Purchase	—	Dec 07 - 08	View
From 4	0.06	8.00K	$21.80	$174.40K	Dec 04, 2006	149.60K	Purchase	—	Nov 30	View
From 4	-0.72	370.58K	$18.60	-$6.89M	Oct 30, 2006	141.60K	Disposition	—	Oct 26	View
From 4/A	6.27	3.18M	$20.00	$106.00K	Oct 04, 2006	3.68M	Purchase	—	Sep 29	View
From 4	—	3.17M	—	—	Sep 29, 2006	3.17M	Acq/Dis	—	Sep 29	View
From 3	—	—	—	—	Sep 25, 2006	—	—	—	—	View

petrologistics lp

Updated: Jul 18, 2014

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	23.54K	—	—	Jul 18, 2014	—	Disposition	—	Jul 16	View
From 4	0.48	7.63K	$13.11	$100.00K	May 15, 2014	23.54K	Grant	—	May 14	View
From 4	0.97	7.82K	$12.79	$100.01K	May 13, 2013	15.91K	Grant	—	May 09	View
From 4	—	8.09K	—	—	Aug 02, 2012	8.09K	Grant	—	Jul 31	View
From 3	—	—	—	—	May 04, 2012	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions