Charles E Mcmahen

Insider

First SEC filing: Sept. 11, 2007 · Latest: Sept. 11, 2007

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 58 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

58 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 11, 2019	EPD	A	3,085	—	—	110,974 Direct	+2.86%	Acquired	(price as of 2026-08-19)
Feb. 12, 2018	EPD	A	3,272	—	—	107,889 Direct	+3.13%	Acquired	(price as of 2026-08-19)
Feb. 16, 2017	EPD	A	2,937	—	—	104,617 Direct	+2.89%	Acquired	(price as of 2026-08-19)
Feb. 16, 2016	EPD	A	4,126	—	—	101,680 Direct	+4.23%	Acquired	(price as of 2026-08-19)
Feb. 12, 2016	EPD	P	10,000	$19.99	$199,900	97,554 Direct	+11.42%	Acquired	92.2% (price as of 2026-08-19)
Feb. 18, 2015	EPD	A	2,472	—	—	87,554 Direct	+2.91%	Acquired	(price as of 2026-08-19)
Feb. 19, 2014	EPD	A	1,128	—	—	42,541 Direct	+2.72%	Acquired	(price as of 2026-08-19)
Feb. 19, 2013	EPD	A	1,328	—	—	41,413 Direct	+3.31%	Acquired	(price as of 2026-08-19)
Feb. 21, 2012	EPD	A	1,434	—	—	40,085 Direct	+3.71%	Acquired	(price as of 2026-08-19)
Sept. 7, 2011	EPD	A	20,200	—	—	38,651 Direct	+109.48%	Acquired	(price as of 2026-08-19)
Feb. 22, 2011	EPD	A	1,705	—	—	18,451 Direct	+10.18%	Acquired	(price as of 2026-08-19)
Jan. 12, 2011	EPD	D	30,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Jan. 12, 2011	EPD	D	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Nov. 22, 2010	EPD	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 22, 2010	EPD	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 22, 2010	EPD	A	16,746	—	—	16,746 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 7, 2007	18568	D	2,000	$15.55	$31,100	0 Direct	-100.00%	Disposed
Sept. 7, 2007	18568	D	2,000	$23.59	$47,180	0 Direct	-100.00%	Disposed
Sept. 7, 2007	18568	D	2,000	$29.68	$59,360	0 Direct	-100.00%	Disposed
Sept. 7, 2007	18568	D	57,838	$36.49	$2,110,509	0 Direct	-100.00%	Disposed
Sept. 7, 2007	18568	D	69,940	$39.21	$2,742,347	0 Direct	-100.00%	Disposed
Sept. 7, 2007	18568	D	2,591	$68.11	$176,473	0 Direct	-100.00%	Disposed
Sept. 7, 2007	18568	D	8,780	—	—	0 Indirect	-100.00%	Disposed
Sept. 7, 2007	18568	D	172,655	—	—	0 Direct	-100.00%	Disposed
Aug. 15, 2007	18568	M	3,162	—	—	57,838 Direct	-5.18%	Disposed
Aug. 15, 2007	18568	M	3,460	—	—	69,940 Direct	-4.71%	Disposed
Aug. 15, 2007	18568	M	3,162	$31.62	$99,982	172,655 Direct	+1.87%	Acquired
Aug. 15, 2007	18568	M	3,460	$28.90	$99,994	169,493 Direct	+2.08%	Acquired
July 10, 2007	18568	A	45	$69.41	$3,123	166,011 Direct	+0.03%	Acquired
June 20, 2007	18568	A	73	$69.54	$5,076	165,965 Direct	+0.04%	Acquired
June 6, 2007	18568	A	45	$69.39	$3,123	165,892 Direct	+0.03%	Acquired
May 22, 2007	TXNM	A	1,050	$30.79	$32,330	3,150 Direct	+50.00%	Acquired	87.0% (price as of 2026-08-19)
May 22, 2007	TXNM	A	1,050	—	—	9,200 Direct	+12.88%	Acquired	(price as of 2026-08-19)
Jan. 23, 2007	18568	A	690	—	—	165,449 Direct	+0.42%	Acquired
Aug. 1, 2006	18568	S	27,000	$59.00	$1,593,000	164,093 Direct	-14.13%	Disposed
July 31, 2006	18568	S	5,433	$59.20	$321,634	191,093 Direct	-2.76%	Disposed
July 31, 2006	18568	S	10,000	$59.11	$591,100	196,526 Direct	-4.84%	Disposed
July 31, 2006	18568	S	10,000	$59.07	$590,700	206,526 Direct	-4.62%	Disposed
July 31, 2006	18568	S	4,916	$59.06	$290,339	216,526 Direct	-2.22%	Disposed
July 31, 2006	18568	S	3,996	$59.03	$235,884	221,442 Direct	-1.77%	Disposed
July 31, 2006	18568	S	3,400	$59.02	$200,668	225,438 Direct	-1.49%	Disposed
July 31, 2006	18568	S	2,467	$59.01	$145,578	228,838 Direct	-1.07%	Disposed
July 31, 2006	18568	S	32,870	$59.00	$1,939,330	231,305 Direct	-12.44%	Disposed
May 16, 2006	TXNM	A	1,050	—	—	2,100 Direct	+100.00%	Acquired	(price as of 2026-08-19)
May 16, 2006	TXNM	A	1,050	—	—	8,100 Direct	+14.89%	Acquired	(price as of 2026-08-19)
April 24, 2006	18568	S	10,000	$53.02	$530,200	263,415 Direct	-3.66%	Disposed
April 24, 2006	18568	S	15,000	$53.00	$795,000	273,415 Direct	-5.20%	Disposed
April 21, 2006	18568	S	2,000	$53.63	$107,260	288,415 Direct	-0.69%	Disposed
April 21, 2006	18568	S	3,000	$53.56	$160,680	290,415 Direct	-1.02%	Disposed
April 21, 2006	18568	S	10,000	$53.50	$535,000	293,415 Direct	-3.30%	Disposed
April 17, 2006	18568	A	2,000	—	—	2,000 Direct	—	Acquired
Feb. 20, 2006	18568	F	3,333	$49.34	$164,450	303,022 Direct	-1.09%	Disposed
Feb. 20, 2006	18568	A	15,139	—	—	306,355 Direct	+5.20%	Acquired
Feb. 15, 2006	TXNM	A	3,000	$24.11	$72,330	7,050 Direct	+74.07%	Acquired	138.8% (price as of 2026-08-19)
Jan. 11, 2006	18568	G	1,000	—	—	291,216 Direct	-0.34%	Disposed
May 17, 2005	TXNM	A	1,050	$27.52	$28,896	1,050 Direct	—	Acquired	109.2% (price as of 2026-08-19)
May 17, 2005	TXNM	A	1,050	—	—	4,050 Direct	+35.00%	Acquired	(price as of 2026-08-19)
April 18, 2005	18568	A	2,000	$44.52	$89,040	2,000 Direct	—	Acquired
April 19, 2004	18568	A	2,000	$38.43	$76,860	2,000 Direct	—	Acquired
March 3, 2004	18568	A	215	$41.93	$9,015	3,123 Direct	+7.39%	Acquired
Jan. 30, 2004	18568	M	20,240	$29.25	$592,020	149,816 Direct	+15.62%	Acquired
Jan. 30, 2004	18568	M	20,240	—	—	13,668 Direct	-59.69%	Disposed
Jan. 30, 2004	18568	M	20,240	—	—	13,668 Direct	-59.69%	Disposed
Jan. 30, 2004	18568	M	20,240	$29.25	$592,020	149,816 Direct	+15.62%	Acquired
Jan. 29, 2004	18568	S	1,200	$39.18	$47,016	129,576 Direct	-0.92%	Disposed
Jan. 29, 2004	18568	S	5,192	$39.19	$203,474	130,776 Direct	-3.82%	Disposed
Jan. 29, 2004	18568	S	4,800	$39.20	$188,160	135,968 Direct	-3.41%	Disposed
Jan. 29, 2004	18568	S	1,048	$39.21	$41,092	140,768 Direct	-0.74%	Disposed
Jan. 29, 2004	18568	S	1,000	$39.22	$39,220	141,816 Direct	-0.70%	Disposed
Jan. 29, 2004	18568	S	500	$39.24	$19,620	142,816 Direct	-0.35%	Disposed
Jan. 29, 2004	18568	S	600	$39.25	$23,550	143,316 Direct	-0.42%	Disposed
Jan. 29, 2004	18568	S	1,000	$39.26	$39,260	143,916 Direct	-0.69%	Disposed
Jan. 29, 2004	18568	S	800	$39.27	$31,416	144,916 Direct	-0.55%	Disposed
Jan. 29, 2004	18568	S	1,200	$39.28	$47,136	145,716 Direct	-0.82%	Disposed
Jan. 29, 2004	18568	S	1,500	$39.29	$58,935	146,916 Direct	-1.01%	Disposed
Jan. 29, 2004	18568	S	700	$39.30	$27,510	148,416 Direct	-0.47%	Disposed
Jan. 29, 2004	18568	S	700	$39.32	$27,524	149,116 Direct	-0.47%	Disposed
Jan. 29, 2004	18568	S	1,200	$39.18	$47,016	129,576 Direct	-0.92%	Disposed
Jan. 29, 2004	18568	S	5,192	$39.19	$203,474	130,776 Direct	-3.82%	Disposed
Jan. 29, 2004	18568	S	4,800	$39.20	$188,160	135,968 Direct	-3.41%	Disposed
Jan. 29, 2004	18568	S	1,048	$39.21	$41,092	140,768 Direct	-0.74%	Disposed
Jan. 29, 2004	18568	S	1,000	$39.22	$39,220	141,816 Direct	-0.70%	Disposed
Jan. 29, 2004	18568	S	500	$39.24	$19,620	142,816 Direct	-0.35%	Disposed
Jan. 29, 2004	18568	S	600	$39.25	$23,550	143,316 Direct	-0.42%	Disposed
Jan. 29, 2004	18568	S	1,000	$39.26	$39,260	143,916 Direct	-0.69%	Disposed
Jan. 29, 2004	18568	S	800	$39.27	$31,416	144,916 Direct	-0.55%	Disposed
Jan. 29, 2004	18568	S	1,200	$39.28	$47,136	145,716 Direct	-0.82%	Disposed
Jan. 29, 2004	18568	S	1,500	$39.29	$58,935	146,916 Direct	-1.01%	Disposed
Jan. 29, 2004	18568	S	700	$39.30	$27,510	148,416 Direct	-0.47%	Disposed
Jan. 29, 2004	18568	S	700	$39.32	$27,524	149,116 Direct	-0.47%	Disposed
Jan. 28, 2004	18568	M	13,668	$29.25	$399,789	163,484 Direct	+9.12%	Acquired
Jan. 28, 2004	18568	M	66,000	—	—	0 Direct	-100.00%	Disposed
Jan. 28, 2004	18568	M	15,375	—	—	0 Direct	-100.00%	Disposed
Jan. 28, 2004	18568	M	46,500	—	—	0 Direct	-100.00%	Disposed
Jan. 28, 2004	18568	M	13,668	—	—	0 Direct	-100.00%	Disposed
Jan. 28, 2004	18568	M	66,000	$20.50	$1,353,000	291,359 Direct	+29.29%	Acquired
Jan. 28, 2004	18568	M	15,375	$16.83	$258,761	225,359 Direct	+7.32%	Acquired
Jan. 28, 2004	18568	M	46,500	$23.92	$1,112,280	209,984 Direct	+28.44%	Acquired
Jan. 27, 2004	18568	F	899	$39.93	$35,897	146,933 Direct	-0.61%	Disposed
Jan. 27, 2004	18568	S	1,883	$39.72	$74,793	149,816 Direct	-1.24%	Disposed

Showing latest 100 of 119 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Jan. 12, 2011	EPD	Common Unit Appreciation Right	Common Units (30,000)	—	Nov. 1, 2011	30,000	Disposed
Jan. 12, 2011	EPD	Common Unit Appreciation Right	Common Units (15,000)	—	Aug. 3, 2011	15,000	Disposed
Nov. 22, 2010	EPD	Common Unit Appreciation Right	Common Units (30,000)	—	Nov. 1, 2011	30,000	Acquired
Nov. 22, 2010	EPD	Common Unit Appreciation Right	Common Units (15,000)	—	Aug. 3, 2011	15,000	Acquired
Sept. 7, 2007	18568	Stock Option (right to buy)	Common Stock (2,000)	$52.56	April 16, 2016	2,000	Disposed
Sept. 7, 2007	18568	Stock Option (right to buy)	Common Stock (2,000)	$44.52	April 17, 2015	2,000	Disposed
Sept. 7, 2007	18568	Stock Option (right to buy)	Common Stock (2,000)	$38.43	April 18, 2014	2,000	Disposed
Sept. 7, 2007	18568	Employee Stock Option (right to buy)	Common Stock (57,838)	$31.62	March 26, 2013	57,838	Disposed
Sept. 7, 2007	18568	Employee Stock Option (right to buy)	Common Stock (69,940)	$28.90	Feb. 10, 2012	69,940	Disposed
Sept. 7, 2007	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2,591)	—	—	2,591	Disposed
Aug. 15, 2007	18568	Employee Stock Option (right to buy)	Common Stock (61,000)	$31.62	March 26, 2013	3,162	Disposed
Aug. 15, 2007	18568	Employee Stock Option (right to buy)	Common Stock (73,400)	$28.90	Feb. 10, 2012	3,460	Disposed
May 22, 2007	TXNM	STOCK OPTIONS	COMMON STOCK (1,050)	—	May 22, 2017	1,050	Acquired
May 16, 2006	TXNM	STOCK OPTIONS	COMMON STOCK (1,050)	—	May 16, 2016	1,050	Acquired
April 17, 2006	18568	Stock Option (right to buy)	Common Stock (2,000)	$52.56	April 16, 2016	2,000	Acquired
May 17, 2005	TXNM	STOCK OPTIONS	COMMON STOCK (1,050)	—	May 17, 2015	1,050	Acquired
April 18, 2005	18568	Stock Option (right to buy)	Common Stock (2,000)	$44.52	April 17, 2015	2,000	Acquired
April 19, 2004	18568	Employee Stock Option (right to buy)	Common Stock (2,000)	$38.43	April 18, 2014	2,000	Acquired
March 3, 2004	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (215)	—	Aug. 8, 1988	215	Acquired
Jan. 30, 2004	18568	Employee Stock Option (right to buy)	Common Stock (20,240)	$29.25	Jan. 25, 2008	20,240	Disposed
Jan. 30, 2004	18568	Employee Stock Option (right to buy)	Common Stock (20,240)	$29.25	Jan. 25, 2008	20,240	Disposed
Jan. 28, 2004	18568	Employee Stock Option (right to buy)	Common Stock (66,000)	$20.50	Feb. 22, 2011	66,000	Disposed
Jan. 28, 2004	18568	Employee Stock Option (right to buy)	Common Stock (15,375)	$16.83	Feb. 20, 2010	15,375	Disposed
Jan. 28, 2004	18568	Employee Stock Option (right to buy)	Common Stock (46,500)	$23.92	Jan. 26, 2009	46,500	Disposed
Jan. 28, 2004	18568	Employee Stock Option (right to buy)	Common Stock (13,668)	$29.25	Jan. 25, 2008	13,668	Disposed
Dec. 31, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Dec. 15, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Nov. 28, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Nov. 14, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Oct. 31, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Oct. 15, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Sept. 30, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Aug. 29, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Aug. 29, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired
Aug. 15, 2003	18568	Phantom Stock Units (ESOP Benefit Restoration Plan)	Common Stock (2)	—	Aug. 8, 1988	2	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Nov. 24, 2010	EPD	Common Units Representing Limited Partnership Interests	0	Indirect
May 17, 2005	TXNM	COMMON STOCK	3,000	Direct