Stephanie Okey

Insider

First SEC filing: June 18, 2026 · Latest: June 18, 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.

Insider at

Insider transactions

0 buys (P) 2 sells (S) Net: $-246,143 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 18, 2026	CRNX	A	9,730	—	—	9,730 Direct	—	Acquired	(price as of 2026-08-20)
June 18, 2026	CRNX	A	5,925	—	—	12,325 Direct	+92.58%	Acquired	(price as of 2026-08-20)
June 17, 2026	CRNX	S 10b5-1	608	$36.22	$22,022	6,400 Direct	-8.68%	Disposed	133.9% (price as of 2026-08-20)
June 17, 2026	CRNX	S 10b5-1	6,292	$35.62	$224,121	7,008 Direct	-47.31%	Disposed	137.8% (price as of 2026-08-20)
June 11, 2025	CRNX	A	10,350	—	—	10,350 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2025	CRNX	A	6,900	—	—	16,300 Direct	+73.40%	Acquired	(price as of 2026-08-20)
June 7, 2024	CRNX	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
June 7, 2024	CRNX	A	3,400	—	—	9,400 Direct	+56.67%	Acquired	(price as of 2026-08-20)
March 28, 2024	CRNX	M	17,500	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
March 28, 2024	CRNX	S	17,500	$46.38	$811,650	6,000 Direct	-74.47%	Disposed	82.6% (price as of 2026-08-20)
March 28, 2024	CRNX	M	17,500	$18.29	$320,075	23,500 Direct	+291.67%	Acquired	363.1% (price as of 2026-08-20)
June 16, 2023	CRNX	A	17,500	—	—	17,500 Direct	—	Acquired	(price as of 2026-08-20)
June 16, 2023	CRNX	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 5, 2023	PTCT	A	4,000	—	—	5,867 Direct	+214.25%	Acquired	(price as of 2026-08-20)
Jan. 5, 2023	PTCT	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 9, 2022	PTCT	S	2,296	$51.62	$118,520	1,867 Direct	-55.15%	Disposed	41.3% (price as of 2026-08-20)
June 17, 2022	CRNX	A	17,500	—	—	17,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 7, 2022	PTCT	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 7, 2022	PTCT	A	3,200	—	—	4,163 Direct	+332.29%	Acquired	(price as of 2026-08-20)
Aug. 13, 2021	PTCT	S	1,650	$40.06	$66,099	963 Direct	-63.15%	Disposed	82.1% (price as of 2026-08-20)
June 22, 2021	CRNX	A	17,500	—	—	17,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 6, 2021	PTCT	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 6, 2021	PTCT	A	1,650	—	—	2,613 Direct	+171.34%	Acquired	(price as of 2026-08-20)
Dec. 8, 2020	PTCT	S	687	$62.52	$42,951	963 Direct	-41.64%	Disposed	16.7% (price as of 2026-08-20)
June 19, 2020	CRNX	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 29, 2020	PTCT	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 29, 2020	PTCT	A	1,650	—	—	1,650 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2019	CRNX	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 22, 2019	PTCT	A	14,000	—	—	14,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 14, 2018	PTCT	A	1,167	—	—	1,167 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 14, 2018	PTCT	A	14,000	—	—	14,000 Direct	—	Acquired	(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
June 18, 2026	CRNX	Stock Option (Right to Buy)	Common Stock (9,730)	$35.87	June 18, 2036	9,730	Acquired
June 11, 2025	CRNX	Stock Option (right to buy)	Common Stock (10,350)	$32.33	June 11, 2035	10,350	Acquired
June 7, 2024	CRNX	Stock Option (right to buy)	Common Stock (12,500)	$44.71	June 7, 2034	12,500	Acquired
March 28, 2024	CRNX	Stock Option (right to buy)	Common Stock (17,500)	$18.29	June 17, 2032	17,500	Acquired
June 16, 2023	CRNX	Stock Option (right to buy)	Common Stock (17,500)	$20.32	June 15, 2033	17,500	Acquired
Jan. 5, 2023	PTCT	Stock Option (Right to Buy)	Common Stock (10,000)	$39.42	Jan. 4, 2033	10,000	Acquired
June 17, 2022	CRNX	Stock Option (right to buy)	Common Stock (17,500)	$18.29	June 16, 2032	17,500	Acquired
Jan. 7, 2022	PTCT	Stock Option (Right To Buy)	Common Stock (12,000)	$38.10	Jan. 6, 2032	12,000	Acquired
June 22, 2021	CRNX	Stock Option (right to buy)	Common Stock (17,500)	$20.23	June 21, 2031	17,500	Acquired
Jan. 6, 2021	PTCT	Stock Option (Right To Buy)	Common Stock (10,000)	$66.49	Jan. 5, 2031	10,000	Acquired
June 19, 2020	CRNX	Stock Option (right to buy)	Common Stock (12,500)	$23.23	June 18, 2020	12,500	Acquired
Jan. 29, 2020	PTCT	Stock Option (Right To Buy)	Common Stock (10,000)	$51.16	Jan. 28, 2030	10,000	Acquired
July 15, 2019	CRNX	Stock Option (right to buy)	Common Stock (25,000)	$24.15	July 14, 2029	25,000	Acquired
Jan. 22, 2019	PTCT	Stock Option (Right to Buy)	Common Stock (14,000)	$33.02	Jan. 21, 2029	14,000	Acquired
Dec. 14, 2018	PTCT	Stock Option (Right To Buy)	Common Stock (1,167)	$33.63	Dec. 13, 2028	1,167	Acquired
Dec. 14, 2018	PTCT	Stock Option (Right To Buy)	Common Stock (14,000)	$33.63	Dec. 13, 2028	14,000	Acquired

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