David S Tierney

Insider

First SEC filing: April 15, 2015 · Latest: April 15, 2015

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

ZVRA buying April 21, 2015

Insider transactions

0 buys (P) 1 sells (S) Net: $-525,200 + 90 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

90 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 15, 2026	CPRX	D	5,468	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	1,894	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	1,414	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	18,115	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	23,248	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	29,524	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	15,000	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	20,000	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	30,000	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	33,500	—	—	0 Direct	-100.00%	Disposed
July 15, 2026	CPRX	D	383,314	$31.50	$12,074,391	0 Direct	-100.00%	Disposed
Dec. 29, 2025	CPRX	M	1,334	—	—	178,163 Direct	-0.74%	Disposed
Dec. 29, 2025	CPRX	M	1,334	—	—	383,314 Direct	+0.35%	Acquired
Dec. 8, 2025	CPRX	M	1,413	—	—	381,980 Direct	+0.37%	Acquired
Dec. 8, 2025	CPRX	M	1,413	—	—	179,497 Direct	-0.78%	Disposed
Nov. 21, 2025	CPRX	M	947	—	—	180,910 Direct	-0.52%	Disposed
Nov. 21, 2025	CPRX	M	947	—	—	380,567 Direct	+0.25%	Acquired
Nov. 20, 2025	CPRX	A	5,468	—	—	181,857 Direct	+3.10%	Acquired
Nov. 20, 2025	CPRX	A	18,115	—	—	176,389 Direct	+11.45%	Acquired
Aug. 27, 2025	CPRX	M	50,000	—	—	158,274 Direct	-24.01%	Disposed
Aug. 27, 2025	CPRX	S	26,000	$20.20	$525,200	379,620 Direct	-6.41%	Disposed
Aug. 27, 2025	CPRX	M	50,000	$2.24	$112,000	405,620 Direct	+14.06%	Acquired
Feb. 14, 2025	CPRX	M	4,000	—	—	355,620 Direct	+1.14%	Acquired
Feb. 14, 2025	CPRX	M	4,000	—	—	208,274 Direct	-1.88%	Disposed
Dec. 27, 2024	CPRX	M	1,333	—	—	212,274 Direct	-0.62%	Disposed
Dec. 27, 2024	CPRX	M	1,333	—	—	351,620 Direct	+0.38%	Acquired
Dec. 9, 2024	CPRX	M	1,413	—	—	213,607 Direct	-0.66%	Disposed
Dec. 9, 2024	CPRX	M	1,413	—	—	350,287 Direct	+0.41%	Acquired
Nov. 21, 2024	CPRX	A	2,841	—	—	215,020 Direct	+1.34%	Acquired
Nov. 21, 2024	CPRX	A	23,248	—	—	212,179 Direct	+12.31%	Acquired
Aug. 22, 2024	CPRX	M	15,000	—	—	188,931 Direct	+8.62%	Acquired
Aug. 21, 2024	CPRX	S	15,000	$20.10	$301,500	348,874 Direct	-4.12%	Disposed
Aug. 21, 2024	CPRX	M	15,000	$4.01	$60,150	363,874 Direct	+4.30%	Acquired
April 8, 2024	CPRX	M	25,000	—	—	203,931 Direct	+13.97%	Acquired
April 8, 2024	CPRX	S	25,000	$15.68	$392,000	348,874 Direct	-6.69%	Disposed
April 8, 2024	CPRX	M	25,000	$4.01	$100,250	373,874 Direct	+7.17%	Acquired
Feb. 15, 2024	CPRX	M	4,000	—	—	228,931 Direct	-1.72%	Disposed
Feb. 15, 2024	CPRX	M	4,000	—	—	348,874 Direct	+1.16%	Acquired
Jan. 2, 2024	CPRX	M	10,000	—	—	232,931 Direct	-4.12%	Disposed
Jan. 2, 2024	CPRX	M	10,000	$1.13	$11,300	344,874 Direct	+2.99%	Acquired
Dec. 27, 2023	CPRX	M	1,333	—	—	242,931 Direct	-0.55%	Disposed
Dec. 27, 2023	CPRX	M	1,333	—	—	334,874 Direct	+0.40%	Acquired
Dec. 12, 2023	CPRX	M	50,000	—	—	244,264 Direct	+25.74%	Acquired
Dec. 12, 2023	CPRX	S	50,000	$13.32	$666,000	333,541 Direct	-13.04%	Disposed
Dec. 12, 2023	CPRX	M	50,000	$1.13	$56,500	383,541 Direct	+14.99%	Acquired
Dec. 8, 2023	CPRX	A	4,240	—	—	294,264 Direct	+1.46%	Acquired
Dec. 8, 2023	CPRX	A	29,524	—	—	290,024 Direct	+11.33%	Acquired
May 11, 2023	CPRX	M	20,000	—	—	260,500 Direct	-7.13%	Disposed
May 11, 2023	CPRX	M	20,000	$0.79	$15,800	333,541 Direct	+6.38%	Acquired
April 5, 2023	CPRX	M	30,000	—	—	280,500 Direct	-9.66%	Disposed
April 5, 2023	CPRX	S	30,000	$16.83	$504,900	313,541 Direct	-8.73%	Disposed
April 5, 2023	CPRX	M	30,000	$0.79	$23,700	343,541 Direct	+9.57%	Acquired
Feb. 15, 2023	CPRX	M	4,000	—	—	310,500 Direct	-1.27%	Disposed
Feb. 15, 2023	CPRX	M	4,000	—	—	313,541 Direct	+1.29%	Acquired
Dec. 27, 2022	CPRX	A	4,000	—	—	314,500 Direct	+1.29%	Acquired
Dec. 27, 2022	CPRX	A	15,000	—	—	310,500 Direct	+5.08%	Acquired
Dec. 6, 2022	CPRX	M	1,334	—	—	295,500 Direct	-0.45%	Disposed
Dec. 6, 2022	CPRX	M	1,334	—	—	309,541 Direct	+0.43%	Acquired
Aug. 22, 2022	CPRX	M	20,000	—	—	296,834 Direct	-6.31%	Disposed
Aug. 22, 2022	CPRX	S	20,000	$14.16	$283,200	308,207 Direct	-6.09%	Disposed
Aug. 22, 2022	CPRX	M	20,000	$2.53	$50,600	328,207 Direct	+6.49%	Acquired
May 20, 2022	CPRX	M	20,000	—	—	252,333 Direct	-7.34%	Disposed
May 20, 2022	CPRX	S	20,000	—	—	308,207 Direct	-6.09%	Disposed
May 20, 2022	CPRX	M	20,000	$2.53	$50,600	328,207 Direct	+6.49%	Acquired
Feb. 14, 2022	CPRX	A	12,000	—	—	336,834 Direct	+3.69%	Acquired
Dec. 28, 2021	CPRX	A	20,000	—	—	324,834 Direct	+6.56%	Acquired
Dec. 3, 2021	CPRX	M	1,333	—	—	304,834 Direct	-0.44%	Disposed
Dec. 3, 2021	CPRX	M	1,333	—	—	308,207 Direct	+0.43%	Acquired
Aug. 13, 2021	CPRX	M	50,000	—	—	306,167 Direct	-14.04%	Disposed
Aug. 13, 2021	CPRX	S	50,000	$6.08	$304,000	306,874 Direct	-14.01%	Disposed
Aug. 13, 2021	CPRX	M	50,000	$3.12	$156,000	356,874 Direct	+16.29%	Acquired
Dec. 30, 2020	CPRX	A	30,000	—	—	356,167 Direct	+9.20%	Acquired
Dec. 22, 2020	CPRX	M	1,333	—	—	326,167 Direct	-0.41%	Disposed
Dec. 22, 2020	CPRX	M	1,333	—	—	306,874 Direct	+0.44%	Acquired
Dec. 2, 2019	CPRX	A	4,000	—	—	327,500 Direct	+1.24%	Acquired
Dec. 2, 2019	CPRX	A	33,500	—	—	323,500 Direct	+11.55%	Acquired
Dec. 19, 2018	CPRX	A	25,000	—	—	290,000 Direct	+9.43%	Acquired
Dec. 19, 2018	CPRX	A	25,000	—	—	265,000 Direct	+10.42%	Acquired
Jan. 2, 2018	CPRX	A	20,000	—	—	240,000 Direct	+9.09%	Acquired
Jan. 2, 2018	CPRX	A	20,000	—	—	220,000 Direct	+10.00%	Acquired
Nov. 9, 2017	CPRX	M	50,000	—	—	145,000 Direct	-25.64%	Disposed
Nov. 9, 2017	CPRX	F	7,860	—	—	305,541 Direct	-2.51%	Disposed
Nov. 9, 2017	CPRX	M	50,000	$0.47	$23,500	313,401 Direct	+18.98%	Acquired
Jan. 3, 2017	CPRX	A	30,000	—	—	250,000 Direct	+13.64%	Acquired
Jan. 3, 2017	CPRX	A	30,000	—	—	220,000 Direct	+15.79%	Acquired
June 15, 2016	CPRX	A	25,000	—	—	220,000 Direct	+12.82%	Acquired
June 15, 2016	CPRX	A	25,000	—	—	195,000 Direct	+14.71%	Acquired
May 24, 2016	ZVRA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 30, 2015	CPRX	A	20,000	—	—	150,000 Direct	+15.38%	Acquired
Dec. 30, 2015	CPRX	A	20,000	—	—	170,000 Direct	+13.33%	Acquired
Oct. 27, 2015	CPRX	M	30,000	—	—	105,000 Direct	-22.22%	Disposed
Oct. 27, 2015	CPRX	F	10,000	—	—	263,401 Direct	-3.66%	Disposed
Oct. 27, 2015	CPRX	M	30,000	$1.09	$32,700	273,401 Direct	+12.33%	Acquired
Aug. 25, 2015	ZVRA	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
April 21, 2015	ZVRA	P	5,000	$11.00	$55,000	5,000 Direct	—	Acquired	-93.2% (price as of 2026-08-20)
Oct. 16, 2014	CPRX	M	30,000	—	—	160,000 Direct	-15.79%	Disposed
Oct. 16, 2014	CPRX	M	30,000	$0.90	$27,000	243,401 Direct	+14.06%	Acquired
Aug. 28, 2014	CPRX	A	25,000	—	—	190,000 Direct	+15.15%	Acquired
Aug. 28, 2014	CPRX	A	25,000	—	—	165,000 Direct	+17.86%	Acquired
Oct. 23, 2013	CPRX	P	8,000	$2.03	$16,240	213,401 Direct	+3.89%	Acquired

Showing latest 100 of 109 transactions

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 (5,468)	—	Nov. 20, 2028	5,468	Disposed
July 15, 2026	CPRX	Restricted Stock Units	Common Stock (1,894)	—	Nov. 21, 2027	1,894	Disposed
July 15, 2026	CPRX	Restricted Stock Units	Common Stock (1,414)	—	Dec. 8, 2026	1,414	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (18,115)	$22.77	Nov. 20, 2032	18,115	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (23,248)	$21.12	Nov. 21, 2031	23,248	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (29,524)	$14.15	Dec. 8, 2030	29,524	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (15,000)	$18.59	Dec. 27, 2029	15,000	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (20,000)	$7.07	Dec. 28, 2028	20,000	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (30,000)	$3.42	Dec. 30, 2027	30,000	Disposed
July 15, 2026	CPRX	Options to purchase common stock	Common Stock (33,500)	$4.64	Dec. 2, 2026	33,500	Disposed
Dec. 29, 2025	CPRX	Restricted Stock Units	Common Stock (1,334)	—	—	1,334	Disposed
Dec. 8, 2025	CPRX	Restricted Stock Units	Common Stock (1,413)	—	—	1,413	Disposed
Nov. 21, 2025	CPRX	Restricted Stock Units	Common Stock (947)	—	—	947	Disposed
Nov. 20, 2025	CPRX	Restricted Stock Units	Common Stock (5,468)	—	—	5,468	Acquired
Nov. 20, 2025	CPRX	Options to purchase common stock	Common Stock (18,115)	$22.77	Nov. 20, 2032	18,115	Acquired
Aug. 27, 2025	CPRX	Options to purchase common stock	Common Stock (50,000)	$2.24	Dec. 19, 2025	50,000	Disposed
Feb. 14, 2025	CPRX	Restricted Stock Units	Common Stock (4,000)	—	—	4,000	Disposed
Dec. 27, 2024	CPRX	Restricted Stock Units	Common Stock (1,333)	—	—	1,333	Disposed
Dec. 9, 2024	CPRX	Restricted Stock Units	Common Stock (1,413)	—	—	1,413	Disposed
Nov. 21, 2024	CPRX	Restricted Stock Units	Common Stock (2,841)	—	—	2,841	Acquired
Nov. 21, 2024	CPRX	Options to purchase common stock	Common Stock (23,248)	$21.12	Nov. 21, 2031	23,248	Acquired
Aug. 22, 2024	CPRX	Options to purchase common stock	Common Stock (15,000)	$4.01	Jan. 2, 2025	15,000	Acquired
April 8, 2024	CPRX	Options to purchase common stock	Common Stock (25,000)	$4.01	Jan. 2, 2025	25,000	Acquired
Feb. 15, 2024	CPRX	Restricted Stock Units	Common Stock (4,000)	—	—	4,000	Disposed
Jan. 2, 2024	CPRX	Options to purchase common stock	Common Stock (10,000)	$1.13	Jan. 3, 2024	10,000	Disposed
Dec. 27, 2023	CPRX	Restricted Stock Units	Common Stock (1,333)	—	—	1,333	Disposed
Dec. 12, 2023	CPRX	Options to purchase common stock	Common Stock (50,000)	$1.13	Jan. 3, 2024	50,000	Acquired
Dec. 8, 2023	CPRX	Restricted Stock Units	Common Stock (4,240)	—	—	4,240	Acquired
Dec. 8, 2023	CPRX	Options to purchase common stock	Common Stock (29,524)	$14.15	Dec. 8, 2030	29,524	Acquired
May 11, 2023	CPRX	Options to purchase common stock	Common Stock (20,000)	$0.79	June 15, 2023	20,000	Disposed
April 5, 2023	CPRX	Options to purchase common stock	Common Stock (30,000)	$0.79	June 15, 2023	30,000	Disposed
Feb. 15, 2023	CPRX	Restricted Stock Units	Common Stock (4,000)	—	—	4,000	Disposed
Dec. 27, 2022	CPRX	Restricted Stock Units	Common Stock (4,000)	—	—	4,000	Acquired
Dec. 27, 2022	CPRX	Options to purchase common stock	Common Stock (15,000)	$18.59	Dec. 27, 2029	15,000	Acquired
Dec. 6, 2022	CPRX	Restricted Stock Units	Common Stock (1,334)	—	—	1,334	Disposed
Aug. 22, 2022	CPRX	Options to purchase common stock	Common Stock (20,000)	$2.53	Dec. 30, 2022	20,000	Disposed
May 20, 2022	CPRX	Options to purchase common stock	Common Stock (20,000)	$2.53	Dec. 30, 2022	20,000	Disposed
Feb. 14, 2022	CPRX	Restricted Stock Units	Common Stock (12,000)	—	—	12,000	Acquired
Dec. 28, 2021	CPRX	Options to purchase common stock	Common Stock (20,000)	$7.07	Dec. 28, 2028	20,000	Acquired
Dec. 3, 2021	CPRX	Restricted Stock Units	Common Stock (1,333)	—	—	1,333	Disposed
Aug. 13, 2021	CPRX	Options to purchase common stock	Common Stock (50,000)	$3.12	Aug. 28, 2021	50,000	Disposed
Dec. 30, 2020	CPRX	Options to purchase common stock	Common Stock (30,000)	$3.42	Dec. 30, 2027	30,000	Acquired
Dec. 22, 2020	CPRX	Restricted Stock Units	Common Stock (1,333)	—	—	1,333	Disposed
Dec. 2, 2019	CPRX	Restricted Stock Units	Common Stock (4,000)	—	—	4,000	Acquired
Dec. 2, 2019	CPRX	Options to purchase common stock	Common Stock (33,500)	$4.64	Dec. 2, 2026	33,500	Acquired
Dec. 19, 2018	CPRX	Options to purchase common stock	Common Stock (25,000)	$2.24	Dec. 19, 2025	25,000	Acquired
Dec. 19, 2018	CPRX	Options to purchase common stock	Common Stock (25,000)	$2.24	Dec. 19, 2025	25,000	Acquired
Jan. 2, 2018	CPRX	Options to purchase common stock	Common Stock (20,000)	$4.01	Jan. 2, 2025	20,000	Acquired
Jan. 2, 2018	CPRX	Options to purchase common stock	Common Stock (20,000)	$4.01	Jan. 2, 2025	20,000	Acquired
Nov. 9, 2017	CPRX	Options to purchase common stock	Common Stock (50,000)	$0.47	Dec. 12, 2017	50,000	Disposed
Jan. 3, 2017	CPRX	Options to purchase common stock	Common Stock (30,000)	$1.13	Jan. 3, 2024	30,000	Acquired
Jan. 3, 2017	CPRX	Options to purchase common stock	Common Stock (30,000)	$1.13	Jan. 3, 2024	30,000	Acquired
June 15, 2016	CPRX	Options to purchase common stock	Common Stock (25,000)	$0.79	June 15, 2023	25,000	Acquired
June 15, 2016	CPRX	Options to purchase common stock	Common Stock (25,000)	$0.79	June 15, 2023	25,000	Acquired
May 24, 2016	ZVRA	Stock Option (right to buy)	Common Stock (10,000)	—	May 23, 2026	10,000	Acquired
Dec. 30, 2015	CPRX	Options to purchase common stock	Common Stock (20,000)	$2.53	Dec. 30, 2022	20,000	Acquired
Dec. 30, 2015	CPRX	Options to purchase common stock	Common Stock (20,000)	$2.53	Dec. 30, 2022	20,000	Acquired
Oct. 27, 2015	CPRX	Options to purchase common stock	Common Stock (30,000)	$1.09	Nov. 5, 2015	30,000	Disposed
Aug. 25, 2015	ZVRA	Stock Option (right to buy)	Common Stock (10,000)	$19.02	Aug. 24, 2025	10,000	Acquired
Oct. 16, 2014	CPRX	Options to purchase common stock	Common Stock (30,000)	$0.90	Oct. 20, 2014	30,000	Disposed
Aug. 28, 2014	CPRX	Options to purchase common stock	Common Stock (25,000)	$3.12	Aug. 28, 2021	25,000	Acquired
Aug. 28, 2014	CPRX	Options to purchase common stock	Common Stock (25,000)	$3.12	Aug. 28, 2021	25,000	Acquired
Dec. 12, 2012	CPRX	Options to purchase common stock	Common Stock (50,000)	$0.47	Dec. 12, 2017	50,000	Acquired
Dec. 16, 2011	CPRX	Options to purchase common stock	Common Stock (30,000)	$1.07	Dec. 16, 2016	30,000	Acquired
Nov. 5, 2010	CPRX	Options to purchase common stock	Common Stock (30,000)	$1.09	Nov. 5, 2015	30,000	Acquired
Oct. 20, 2009	CPRX	Options to purchase common stock	Common Stock (30,000)	$0.90	Oct. 20, 2014	30,000	Acquired
Jan. 16, 2009	CPRX	Options to purchase common stock	Common Stock (7,000)	$2.55	Jan. 16, 2014	7,000	Acquired
Jan. 17, 2008	CPRX	Options to purchase common stock	Common Stock (7,000)	$3.15	Jan. 17, 2013	7,000	Acquired
Jan. 17, 2007	CPRX	Options to purchase common stock	Common Stock (7,000)	$3.99	Jan. 17, 2012	7,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
April 15, 2015	ZVRA	Stock Option (right to buy)→ Common Stock (7,333)	7,333	Direct
Oct. 23, 2006	CPRX	Common stock, par value $0.001 per share	182,402	Direct