John D Buchanan

Insider

First SEC filing: June 5, 2026 · Latest: June 5, 2026

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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 + 61 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

61 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 3, 2026	WTI	M	103,448	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 3, 2026	WTI	A	35,972	—	—	35,972 Direct	—	Acquired	(price as of 2026-08-19)
June 3, 2026	WTI	M	103,448	—	—	177,340 Direct	+140.00%	Acquired	(price as of 2026-08-19)
June 3, 2025	WTI	M	73,892	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 3, 2025	WTI	A	103,448	—	—	103,448 Direct	—	Acquired	(price as of 2026-08-19)
June 3, 2025	WTI	M	73,892	—	—	73,892 Direct	—	Acquired	(price as of 2026-08-19)
June 14, 2024	WTI	A	73,892	—	—	73,892 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 25, 2022	28412	A	3,050	—	—	3,050 Direct	—	Acquired
Jan. 25, 2022	28412	A	2,465	—	—	44,317 Direct	+5.89%	Acquired
Jan. 24, 2022	28412	F	126	$90.53	$11,407	41,852 Direct	-0.30%	Disposed
Jan. 23, 2022	28412	F	204	$89.70	$18,299	41,978 Direct	-0.48%	Disposed
Jan. 22, 2022	28412	F	465	$89.70	$41,710	42,182 Direct	-1.09%	Disposed
Oct. 28, 2021	28412	M	3,688	—	—	0 Direct	-100.00%	Disposed
Oct. 28, 2021	28412	S	5,688	$85.11	$484,106	42,647 Direct	-11.77%	Disposed
Oct. 28, 2021	28412	M	3,688	$32.97	$121,593	48,335 Direct	+8.26%	Acquired
Feb. 23, 2021	28412	F	2,087	$69.59	$145,234	44,647 Direct	-4.47%	Disposed
Feb. 23, 2021	28412	A	5,303	—	—	46,734 Direct	+12.80%	Acquired
Jan. 26, 2021	28412	A	4,780	—	—	4,780 Direct	—	Acquired
Jan. 26, 2021	28412	A	4,365	—	—	41,431 Direct	+11.78%	Acquired
Jan. 26, 2021	28412	F	338	$60.12	$20,321	37,066 Direct	-0.90%	Disposed
Jan. 24, 2021	28412	F	142	$62.16	$8,827	37,404 Direct	-0.38%	Disposed
Jan. 23, 2021	28412	F	407	$62.16	$25,299	37,546 Direct	-1.07%	Disposed
Sept. 15, 2020	28412	F	1,384	$40.59	$56,177	37,953 Direct	-3.52%	Disposed
Feb. 25, 2020	28412	F	3,763	$56.79	$213,701	39,337 Direct	-8.73%	Disposed
Feb. 25, 2020	28412	A	9,562	—	—	43,100 Direct	+28.51%	Acquired
Jan. 28, 2020	28412	A	5,705	—	—	5,705 Direct	—	Acquired
Jan. 28, 2020	28412	A	2,930	—	—	33,538 Direct	+9.57%	Acquired
Jan. 26, 2020	28412	F	363	$64.73	$23,497	30,608 Direct	-1.17%	Disposed
Jan. 24, 2020	28412	F	285	$64.73	$18,448	30,971 Direct	-0.91%	Disposed
Sept. 15, 2019	28412	F	1,384	$65.60	$90,790	31,256 Direct	-4.24%	Disposed
Feb. 26, 2019	28412	F	8,292	$86.37	$716,180	32,640 Direct	-20.26%	Disposed
Feb. 26, 2019	28412	A	21,071	—	—	40,932 Direct	+106.09%	Acquired
Jan. 26, 2019	28412	F	702	$82.07	$57,613	19,861 Direct	-3.41%	Disposed
Jan. 22, 2019	28412	A	3,160	—	—	3,160 Direct	—	Acquired
Jan. 22, 2019	28412	A	2,235	—	—	20,563 Direct	+12.19%	Acquired
Sept. 14, 2018	28412	F	2,768	$93.19	$257,950	18,328 Direct	-13.12%	Disposed
Jan. 26, 2018	28412	M	727	—	—	2,183 Direct	-24.98%	Disposed
Jan. 26, 2018	28412	M	1,844	—	—	3,688 Direct	-33.33%	Disposed
Jan. 26, 2018	28412	S	727	$94.86	$68,963	21,096 Direct	-3.33%	Disposed
Jan. 26, 2018	28412	M	727	$67.66	$49,189	21,823 Direct	+3.45%	Acquired
Jan. 26, 2018	28412	S	100	$94.90	$9,490	21,096 Direct	-0.47%	Disposed
Jan. 26, 2018	28412	S	100	$94.89	$9,489	21,196 Direct	-0.47%	Disposed
Jan. 26, 2018	28412	S	339	$94.89	$32,168	21,296 Direct	-1.57%	Disposed
Jan. 26, 2018	28412	S	1,000	$94.88	$94,880	21,635 Direct	-4.42%	Disposed
Jan. 26, 2018	28412	S	150	$94.87	$14,230	22,635 Direct	-0.66%	Disposed
Jan. 26, 2018	28412	S	101	$94.86	$9,581	22,785 Direct	-0.44%	Disposed
Jan. 26, 2018	28412	S	54	$94.85	$5,122	22,886 Direct	-0.24%	Disposed
Jan. 26, 2018	28412	M	1,844	$32.97	$60,797	22,940 Direct	+8.74%	Acquired
Jan. 23, 2018	28412	A	2,285	—	—	2,285 Direct	—	Acquired
Jan. 23, 2018	28412	A	1,820	—	—	21,096 Direct	+9.44%	Acquired
March 1, 2017	28412	M	1,843	$32.97	$60,764	20,523 Direct	+9.87%	Acquired
March 1, 2017	28412	F	1,247	$74.58	$93,001	19,276 Direct	-6.08%	Disposed
March 1, 2017	28412	M	1,843	—	—	5,532 Direct	-24.99%	Disposed
Jan. 24, 2017	28412	A	2,910	—	—	2,910 Direct	—	Acquired
Jan. 24, 2017	28412	A	1,275	—	—	18,680 Direct	+7.33%	Acquired
Jan. 26, 2016	28412	A	7,375	—	—	7,375 Direct	—	Acquired
Jan. 26, 2016	28412	A	3,340	—	—	17,405 Direct	+23.75%	Acquired
Sept. 15, 2015	28412	A	14,065	—	—	14,065 Direct	—	Acquired
Jan. 4, 2011	RF	J	4	—	—	142,187 Direct	0.00%	Acquired	(price as of 2026-08-19)
June 22, 2010	RF	A	57,084	$7.00	$399,588	142,174 Direct	+67.09%	Acquired	351.2% (price as of 2026-08-19)
April 24, 2010	RF	F	1,236	—	—	85,090 Direct	-1.43%	Disposed	(price as of 2026-08-19)
April 1, 2010	RF	J	4	—	—	86,326 Direct	0.00%	Acquired	(price as of 2026-08-19)
Jan. 4, 2010	RF	J	6	—	—	86,322 Direct	+0.01%	Acquired	(price as of 2026-08-19)
Feb. 24, 2009	RF	A	133,419	—	—	133,419 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 24, 2009	RF	A	79,251	$3.29	$260,736	86,199 Direct	+1140.63%	Acquired	860.0% (price as of 2026-08-19)
April 22, 2008	RF	J	6,376	$21.69	$138,295	6,376 Indirect	—	Acquired	45.6% (price as of 2026-08-19)
Feb. 28, 2008	RF	A	94,006	—	—	94,006 Direct	—	Acquired	(price as of 2026-08-19)
Oct. 19, 2007	RF	A	13,437	—	—	13,437 Direct	—	Acquired	(price as of 2026-08-19)
April 24, 2007	RF	A	3,929	$35.07	$137,790	6,636 Direct	+145.14%	Acquired	-9.9% (price as of 2026-08-19)
April 24, 2007	RF	A	31,429	—	—	31,429 Direct	—	Acquired	(price as of 2026-08-19)

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
June 3, 2026	WTI	Restricted Stock Units	Common Stock (103,448)	—	—	103,448	Disposed
June 3, 2026	WTI	Restricted Stock Units	Common Stock (35,972)	—	—	35,972	Acquired
June 3, 2025	WTI	Restricted Stock Units	Common Stock (73,892)	—	—	73,892	Disposed
June 3, 2025	WTI	Restricted Stock Units	Common Stock (103,448)	—	—	103,448	Acquired
June 14, 2024	WTI	Restricted Stock Units	Common Stock (73,892)	—	—	73,892	Acquired
Jan. 25, 2022	28412	Employee Stock Option (right to buy)	Common Stock (3,050)	$92.58	Jan. 25, 2032	3,050	Acquired
Oct. 28, 2021	28412	Employee Stock Option (right to buy)	Common Stock (3,688)	$32.97	Jan. 26, 2026	3,688	Disposed
Jan. 26, 2021	28412	Employee Stock Option (right to buy)	Common Stock (4,780)	$60.12	Jan. 26, 2031	4,780	Acquired
Jan. 28, 2020	28412	Employee Stock Option (right to buy)	Common Stock (5,705)	$63.15	Jan. 28, 2030	5,705	Acquired
Jan. 22, 2019	28412	Employee Stock Option (right to buy)	Common Stock (3,160)	$80.17	Jan. 22, 2029	3,160	Acquired
Jan. 26, 2018	28412	Employee Stock Option (right to buy)	Common Stock (727)	$67.66	Jan. 24, 2027	727	Disposed
Jan. 26, 2018	28412	Employee Stock Option (right to buy)	Common Stock (1,844)	$32.97	Jan. 26, 2026	1,844	Disposed
Jan. 23, 2018	28412	Employee Stock Option (right to buy)	Common Stock (2,285)	$95.25	Jan. 23, 2028	2,285	Acquired
March 1, 2017	28412	Employee Stock Option (right to buy)	Common Stock (1,843)	$32.97	Jan. 26, 2026	1,843	Disposed
Jan. 24, 2017	28412	Employee Stock Option (right to buy)	Common Stock (2,910)	$67.66	Jan. 24, 2027	2,910	Acquired
Jan. 26, 2016	28412	Employee Stock Option (right to buy)	Common Stock (7,375)	$32.97	Jan. 26, 2026	7,375	Acquired
Feb. 24, 2009	RF	Stock Option (Right to Buy)	Common Stock (133,419)	$3.29	Feb. 24, 2019	133,419	Acquired
Feb. 28, 2008	RF	Stock Option (Right to Buy)	Common Stock (94,006)	$21.94	Feb. 28, 2018	94,006	Acquired
Oct. 19, 2007	RF	Restricted Stock Units	Common Stock (13,437)	—	Oct. 19, 2012	13,437	Acquired
April 24, 2007	RF	Stock Option (Right to Buy)	Common Stock (31,429)	$35.07	April 24, 2017	31,429	Acquired

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 7, 2007	RF	Common Stock	2,706	Direct
Feb. 7, 2007	RF	Common Stock	191	Indirect
Feb. 7, 2007	RF	Stock Option (Right to Buy)→ Common Stock (41,385)	41,385	Direct
Feb. 7, 2007	RF	Stock Option (Right to Buy)→ Common Stock (33,810)	33,810	Direct