Peter Arkley

CIK 1206328 · View on SEC EDGAR ↗

Insider

First SEC filing: March 6, 2026 · Latest: March 6, 2026

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.

Insider at

TPC buying March 6, 2026

Insider transactions

7 buys (P) 0 sells (S) Net: $4,388,952 + 21 non-open-market transactions below Avg return of open purchases vs now: 28.0% 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

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 20, 2026	TPC	A	2,337	—	—	219,054 Direct	+1.08%	Acquired	(price as of 2026-08-20)
March 6, 2026	TPC	P	3,204	$73.28	$234,789	216,717 Direct	+1.50%	Acquired	20.6% (price as of 2026-08-20)
March 6, 2026	TPC	P	4,913	$72.85	$357,912	213,513 Direct	+2.36%	Acquired	21.4% (price as of 2026-08-20)
March 5, 2026	TPC	P	10,999	$72.44	$796,768	208,600 Direct	+5.57%	Acquired	22.0% (price as of 2026-08-20)
March 4, 2026	TPC	P	5,884	$73.85	$434,533	197,601 Direct	+3.07%	Acquired	19.7% (price as of 2026-08-20)
Nov. 25, 2025	TPC	P	6,249	$64.88	$405,435	191,717 Direct	+3.37%	Acquired	36.3% (price as of 2026-08-20)
Nov. 25, 2025	TPC	P	8,898	$64.05	$569,917	185,468 Direct	+5.04%	Acquired	38.0% (price as of 2026-08-20)
Nov. 24, 2025	TPC	P	24,853	$63.96	$1,589,598	176,570 Direct	+16.38%	Acquired	38.2% (price as of 2026-08-20)
May 15, 2025	TPC	A	4,401	—	—	151,717 Direct	+2.99%	Acquired	(price as of 2026-08-20)
May 22, 2024	TPC	A	7,659	—	—	147,316 Direct	+5.48%	Acquired	(price as of 2026-08-20)
May 17, 2023	TPC	A	26,501	—	—	139,657 Direct	+23.42%	Acquired	(price as of 2026-08-20)
May 31, 2018	TPC	A	7,537	—	—	61,894 Direct	+13.87%	Acquired	(price as of 2026-08-20)
May 26, 2017	TPC	A	5,725	—	—	54,357 Direct	+11.77%	Acquired	(price as of 2026-08-20)
May 25, 2016	TPC	A	6,922	—	—	48,632 Direct	+16.60%	Acquired	(price as of 2026-08-20)
May 27, 2015	TPC	A	6,839	—	—	41,710 Direct	+19.61%	Acquired	(price as of 2026-08-20)
May 29, 2014	TPC	A	4,829	—	—	34,871 Direct	+16.07%	Acquired	(price as of 2026-08-20)
May 30, 2013	TPC	A	8,042	—	—	30,042 Direct	+36.55%	Acquired	(price as of 2026-08-20)
May 31, 2012	TPC	A	1,000	—	—	22,000 Direct	+4.76%	Acquired	(price as of 2026-08-20)
June 2, 2011	TPC	A	1,000	—	—	21,000 Direct	+5.00%	Acquired	(price as of 2026-08-20)
Sept. 20, 2010	TPC	P	18,000	$19.50	$351,000	20,000 Direct	+900.00%	Acquired	353.4% (price as of 2026-08-20)
June 22, 2010	TPC	A	1,000	—	—	2,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
June 2, 2009	TPC	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 19, 2008	TPC	S	4,100	$22.04	$90,364	0 Direct	-100.00%	Disposed	301.1% (price as of 2026-08-20)
Dec. 19, 2008	TPC	S	798	$22.00	$17,556	4,100 Direct	-16.29%	Disposed	301.8% (price as of 2026-08-20)
Dec. 17, 2008	TPC	S	3,000	$23.19	$69,570	4,898 Direct	-37.98%	Disposed	281.2% (price as of 2026-08-20)
June 27, 2008	TPC	G	10	—	—	7,898 Direct	-0.13%	Disposed	(price as of 2026-08-20)
June 20, 2008	TPC	P	1,000	$36.23	$36,230	7,908 Direct	+14.48%	Acquired	144.0% (price as of 2026-08-20)
June 20, 2008	TPC	P	900	$36.24	$32,616	6,908 Direct	+14.98%	Acquired	143.9% (price as of 2026-08-20)
June 20, 2008	TPC	P	100	$36.24	$3,624	6,008 Direct	+1.69%	Acquired	143.9% (price as of 2026-08-20)
June 20, 2008	TPC	P	200	$36.25	$7,250	5,908 Direct	+3.50%	Acquired	143.9% (price as of 2026-08-20)
June 20, 2008	TPC	P	400	$36.26	$14,504	5,708 Direct	+7.54%	Acquired	143.8% (price as of 2026-08-20)
June 20, 2008	TPC	P	100	$36.27	$3,627	5,308 Direct	+1.92%	Acquired	143.7% (price as of 2026-08-20)
June 20, 2008	TPC	P	100	$36.27	$3,627	5,208 Direct	+1.96%	Acquired	143.7% (price as of 2026-08-20)
June 20, 2008	TPC	P	1,500	$36.26	$54,390	5,108 Direct	+41.57%	Acquired	143.8% (price as of 2026-08-20)
June 20, 2008	TPC	P	700	$36.27	$25,389	3,608 Direct	+24.07%	Acquired	143.7% (price as of 2026-08-20)
May 8, 2008	TPC	A	2,908	—	—	8,408 Direct	+52.87%	Acquired	(price as of 2026-08-20)
Nov. 27, 2007	TPC	S	5,500	$50.70	$278,850	2,908 Direct	-65.41%	Disposed	74.4% (price as of 2026-08-20)
May 22, 2007	TPC	A	1,000	—	—	5,500 Direct	+22.22%	Acquired	(price as of 2026-08-20)
June 12, 2006	TPC	A	1,000	—	—	2,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
May 24, 2005	TPC	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2004	TPC	M	4,700	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 15, 2004	TPC	S	2,800	$16.65	$46,620	0 Direct	-100.00%	Disposed	431.0% (price as of 2026-08-20)
Dec. 15, 2004	TPC	S	1,900	$16.69	$31,711	2,800 Direct	-40.43%	Disposed	429.7% (price as of 2026-08-20)
Dec. 15, 2004	TPC	M	4,700	$3.12	$14,664	4,700 Direct	—	Acquired	2733.5% (price as of 2026-08-20)

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
Dec. 15, 2004	TPC	Employee Stock Option (right to buy)	Common Stock (4,700)	$3.12	May 24, 2010	4,700	Disposed

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