Preethi Sundaram

Insider

First SEC filing: July 13, 2021 · Latest: July 13, 2021

On this page

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 transactions

0 buys (P) 0 sells (S) Net: $0 + 51 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

51 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D
July 15, 2026	CPRX	D	32,257	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	11,206	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	6,855	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	106,873	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	137,553	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	143,193	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	68,000	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	67,500	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	225,000	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	54,804	$31.50	$1,726,326	0 Direct	-100.00%	Disposed
Dec. 29, 2025	CPRX	M	6,667	—	—	798,437 Direct	-0.83%	Disposed
Dec. 29, 2025	CPRX	F	2,369	—	—	54,804 Direct	-4.14%	Disposed
Dec. 29, 2025	CPRX	M	6,667	—	—	57,173 Direct	+13.20%	Acquired
Dec. 8, 2025	CPRX	M	6,855	—	—	805,104 Direct	-0.84%	Disposed
Dec. 8, 2025	CPRX	F	1,669	—	—	50,506 Direct	-3.20%	Disposed
Dec. 8, 2025	CPRX	M	6,855	—	—	52,175 Direct	+15.13%	Acquired
Nov. 21, 2025	CPRX	M	5,603	—	—	811,959 Direct	-0.69%	Disposed
Nov. 21, 2025	CPRX	F	1,364	—	—	45,320 Direct	-2.92%	Disposed
Nov. 21, 2025	CPRX	M	5,603	—	—	46,684 Direct	+13.64%	Acquired
Nov. 20, 2025	CPRX	A	32,257	—	—	817,562 Direct	+4.11%	Acquired
Nov. 20, 2025	CPRX	A	106,873	—	—	785,305 Direct	+15.75%	Acquired
June 11, 2025	CPRX	S	1,600	$26.42	$42,272	41,081 Direct	-3.75%	Disposed
June 10, 2025	CPRX	S	2,324	$26.41	$61,377	42,681 Direct	-5.16%	Disposed
Feb. 14, 2025	CPRX	M	16,667	—	—	678,432 Direct	-2.40%	Disposed
Feb. 14, 2025	CPRX	F	5,965	—	—	45,005 Direct	-11.70%	Disposed
Feb. 14, 2025	CPRX	M	16,667	—	—	50,970 Direct	+48.59%	Acquired
Dec. 27, 2024	CPRX	M	6,667	—	—	695,099 Direct	-0.95%	Disposed
Dec. 27, 2024	CPRX	F	2,345	—	—	34,303 Direct	-6.40%	Disposed
Dec. 27, 2024	CPRX	M	6,667	—	—	36,648 Direct	+22.24%	Acquired
Dec. 9, 2024	CPRX	M	6,855	—	—	701,766 Direct	-0.97%	Disposed
Dec. 9, 2024	CPRX	F	2,415	—	—	29,981 Direct	-7.45%	Disposed
Dec. 9, 2024	CPRX	M	6,855	—	—	32,396 Direct	+26.84%	Acquired
Nov. 21, 2024	CPRX	A	16,809	—	—	708,621 Direct	+2.43%	Acquired
Nov. 21, 2024	CPRX	A	137,553	—	—	691,812 Direct	+24.82%	Acquired
Feb. 15, 2024	CPRX	M	16,667	—	—	554,259 Direct	-2.92%	Disposed
Feb. 15, 2024	CPRX	F	6,025	—	—	25,541 Direct	-19.09%	Disposed
Feb. 15, 2024	CPRX	M	16,667	—	—	31,566 Direct	+111.87%	Acquired
Dec. 27, 2023	CPRX	M	6,666	—	—	570,926 Direct	-1.15%	Disposed
Dec. 27, 2023	CPRX	F	2,409	—	—	14,899 Direct	-13.92%	Disposed
Dec. 27, 2023	CPRX	M	6,666	—	—	17,308 Direct	+62.64%	Acquired
Dec. 8, 2023	CPRX	A	20,565	—	—	577,592 Direct	+3.69%	Acquired
Dec. 8, 2023	CPRX	A	143,193	—	—	557,027 Direct	+34.60%	Acquired
Feb. 15, 2023	CPRX	M	16,666	—	—	413,834 Direct	+4.20%	Acquired
Feb. 15, 2023	CPRX	F	6,024	—	—	10,642 Direct	-36.15%	Disposed
Feb. 15, 2023	CPRX	M	16,666	—	—	16,666 Direct	—	Acquired
Dec. 27, 2022	CPRX	A	20,000	—	—	430,500 Direct	+4.87%	Acquired
Dec. 27, 2022	CPRX	A	68,000	—	—	410,500 Direct	+19.85%	Acquired
Nov. 11, 2022	CPRX	M	56,786	—	—	342,500 Direct	-14.22%	Disposed
Nov. 11, 2022	CPRX	S	28,393	$16.50	$468,484	0 Direct	-100.00%	Disposed
Nov. 11, 2022	CPRX	S	28,393	$16.25	$461,386	28,393 Direct	-50.00%	Disposed
Nov. 11, 2022	CPRX	M	56,786	$5.49	$311,755	56,786 Direct	—	Acquired
Sept. 15, 2022	CPRX	M	18,214	—	—	399,286 Direct	+4.78%	Acquired
Sept. 15, 2022	CPRX	S	18,214	$14.49	$263,921	0 Direct	-100.00%	Disposed
Sept. 15, 2022	CPRX	M	18,214	$5.49	$99,995	18,214 Direct	—	Acquired
Feb. 14, 2022	CPRX	A	50,000	—	—	417,500 Direct	+13.61%	Acquired
Dec. 28, 2021	CPRX	A	67,500	—	—	367,500 Direct	+22.50%	Acquired

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
July 15, 2026	CPRX	Restricted Stock Units	Common Stock (32,257)	—	Nov. 20, 2028	32,257	Disposed
July 15, 2026	CPRX	Restricted Stock Units	Common Stock (11,206)	—	Nov. 21, 2027	11,206	Disposed
July 15, 2026	CPRX	Restricted Stock Units	Common Stock (6,855)	—	Dec. 8, 2026	6,855	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (106,873)	$22.77	Nov. 20, 2032	106,873	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (137,553)	$21.12	Nov. 21, 2031	137,553	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (143,193)	$14.15	Dec. 8, 2030	143,193	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (68,000)	$18.59	Dec. 27, 2029	68,000	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (67,500)	$7.07	Dec. 28, 2028	67,500	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (225,000)	$5.49	July 6, 2028	225,000	Disposed
Dec. 29, 2025	CPRX	Restricted Stock Units	Common Stock (6,667)	—	—	6,667	Disposed
Dec. 8, 2025	CPRX	Restricted Stock Units	Common Stock (6,855)	—	—	6,855	Disposed
Nov. 21, 2025	CPRX	Restricted Stock Units	Common Stock (5,603)	—	—	5,603	Disposed
Nov. 20, 2025	CPRX	Restricted Stock Units	Common Stock (32,257)	—	—	32,257	Acquired
Nov. 20, 2025	CPRX	Options to purchase common stock	Common Stock (106,873)	$22.77	Nov. 20, 2032	106,873	Acquired
Feb. 14, 2025	CPRX	Restricted Stock Units	Common Stock (16,667)	—	—	16,667	Disposed
Dec. 27, 2024	CPRX	Restricted Stock Units	Common Stock (6,667)	—	—	6,667	Disposed
Dec. 9, 2024	CPRX	Restricted Stock Units	Common Stock (6,855)	—	—	6,855	Disposed
Nov. 21, 2024	CPRX	Options to purchase common stock	Common Stock (16,809)	—	—	16,809	Acquired
Nov. 21, 2024	CPRX	Options to purchase common stock	Common Stock (137,553)	$21.12	Nov. 21, 2024	137,553	Acquired
Feb. 15, 2024	CPRX	Restricted Stock Units	Common Stock (16,667)	—	—	16,667	Disposed
Dec. 27, 2023	CPRX	Restricted Stock Units	Common Stock (6,666)	—	—	6,666	Disposed
Dec. 8, 2023	CPRX	Restricted Stock Units	Common Stock (20,565)	—	—	20,565	Acquired
Dec. 8, 2023	CPRX	Options to purchase common stock	Common Stock (143,193)	$14.15	Dec. 8, 2030	143,193	Acquired
Feb. 15, 2023	CPRX	Restricted Stock Units	Common Stock (16,666)	—	—	16,666	Acquired
Dec. 27, 2022	CPRX	Restricted stock units	Common Stock (20,000)	—	—	20,000	Acquired
Dec. 27, 2022	CPRX	Options to purchase common stock	Common Stock (68,000)	$18.59	Dec. 27, 2029	68,000	Acquired
Nov. 11, 2022	CPRX	Options to purchase common stock	Common Stock (56,786)	$5.49	July 6, 2028	56,786	Disposed
Sept. 15, 2022	CPRX	Options to purchase common stock	Common Stock (18,214)	$5.49	July 6, 2028	18,214	Acquired
Feb. 14, 2022	CPRX	Restricted Stock Units	Common Stock (50,000)	—	—	50,000	Acquired
Dec. 28, 2021	CPRX	Options to purchase common stock	Common Stock (67,500)	$7.07	Dec. 28, 2028	67,500	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
July 13, 2021	CPRX	Options to purchase Common Stock→ Common Stock (300,000)	300,000	Direct