Joseph T. Martinko

CIK 1988020 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 2, 2023 · Latest: Aug. 2, 2023

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

CC buying Aug. 7, 2026

Insider transactions

1 buys (P) 0 sells (S) Net: $30,012 + 14 non-open-market transactions below Avg return of open purchases vs now: 3.1% 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

14 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 7, 2026	CC	P	1,940	$15.47	$30,012	55,431 Direct	+3.63%	Acquired	3.1% (price as of 2026-08-21)
Aug. 1, 2026	CC	F	663	$16.61	$11,012	54,819 Direct	-1.19%	Disposed	-4.0% (price as of 2026-08-21)
March 2, 2026	CC	A	28,488	—	—	53,889 Direct	+112.15%	Acquired	(price as of 2026-08-21)
March 1, 2026	CC	F	2,789	$18.24	$50,871	25,401 Direct	-9.89%	Disposed	-12.6% (price as of 2026-08-21)
Aug. 1, 2025	CC	F	649	$11.50	$7,464	30,937 Direct	-2.05%	Disposed	38.7% (price as of 2026-08-21)
March 3, 2025	CC	A	46,451	—	—	46,451 Direct	—	Acquired	(price as of 2026-08-21)
March 3, 2025	CC	A	44,664	—	—	44,664 Direct	—	Acquired	(price as of 2026-08-21)
March 3, 2025	CC	A	13,437	—	—	28,088 Direct	+91.71%	Acquired	(price as of 2026-08-21)
March 1, 2025	CC	F	1,302	$14.95	$19,465	14,651 Direct	-8.16%	Disposed	6.7% (price as of 2026-08-21)
Aug. 1, 2024	CC	F	574	$23.31	$13,380	15,953 Direct	-3.47%	Disposed	-31.6% (price as of 2026-08-21)
May 8, 2024	CC	A	16,439	—	—	16,439 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2024	CC	A	15,807	—	—	15,807 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2024	CC	A	5,909	—	—	16,392 Direct	+56.37%	Acquired	(price as of 2026-08-21)
March 1, 2024	CC	F	795	$20.78	$16,520	8,831 Direct	-8.26%	Disposed	-23.2% (price as of 2026-08-21)
Aug. 1, 2023	CC	A	5,154	—	—	11,055 Direct	+87.34%	Acquired	(price as of 2026-08-21)

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
March 3, 2025	CC	Stock Option (Right to Buy)	Common Stock (46,451)	—	March 3, 2035	46,451	Acquired
March 3, 2025	CC	Stock Option (Right to Buy)	Common Stock (44,664)	$13.86	March 3, 2035	44,664	Acquired
May 8, 2024	CC	Performance Stock Option (Right to Buy)	Common Stock (16,439)	—	May 8, 2034	16,439	Acquired
May 8, 2024	CC	Stock Option (Right to Buy)	Common Stock (15,807)	$27.50	May 8, 2034	15,807	Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 2, 2023	CC	Common Stock	—	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (3,743)	3,743	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (5,813)	5,813	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (5,112)	5,112	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (13,368)	13,368	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (3,658)	3,658	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (2,189)	2,189	Direct
Aug. 2, 2023	CC	Stock Option (Right to Buy)→ Common Stock (2,308)	2,308	Direct