Mark Rothera

Insider

First SEC filing: June 27, 2013 · Latest: Jan. 15, 2016

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

PTCT buying March 3, 2016

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 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

49 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 24, 2017	PTCT	M	2,000	—	—	6,125 Direct	-24.62%	Disposed	(price as of 2026-08-19)
May 24, 2017	PTCT	M	2,000	$10.85	$21,700	33,739 Direct	+6.30%	Acquired	569.3% (price as of 2026-08-19)
March 15, 2017	PTCT	M	2,966	—	—	69,227 Direct	-4.11%	Disposed	(price as of 2026-08-19)
March 15, 2017	PTCT	M	2,966	$10.85	$32,181	31,739 Direct	+10.31%	Acquired	569.3% (price as of 2026-08-19)
Feb. 16, 2017	PTCT	M	3,125	—	—	72,193 Direct	-4.15%	Disposed	(price as of 2026-08-19)
Feb. 16, 2017	PTCT	M	3,125	$10.85	$33,906	28,773 Direct	+12.18%	Acquired	569.3% (price as of 2026-08-19)
Jan. 17, 2017	PTCT	M	3,125	—	—	75,318 Direct	-3.98%	Disposed	(price as of 2026-08-19)
Jan. 17, 2017	PTCT	M	3,125	$10.85	$33,906	25,648 Direct	+13.87%	Acquired	569.3% (price as of 2026-08-19)
Jan. 3, 2017	PTCT	A	56,000	—	—	56,000 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 3, 2017	PTCT	A	9,600	—	—	22,523 Direct	+74.29%	Acquired	(price as of 2026-08-19)
Nov. 14, 2016	PTCT	M	1,941	—	—	78,443 Direct	-2.41%	Disposed	(price as of 2026-08-19)
Nov. 14, 2016	PTCT	M	1,941	$10.85	$21,060	11,216 Direct	+20.93%	Acquired	569.3% (price as of 2026-08-19)
Oct. 10, 2016	PTCT	M	1,950	—	—	80,384 Direct	-2.37%	Disposed	(price as of 2026-08-19)
Oct. 10, 2016	PTCT	M	1,950	$10.85	$21,158	9,275 Direct	+26.62%	Acquired	569.3% (price as of 2026-08-19)
Sept. 26, 2016	PTCT	M	2,200	—	—	82,334 Direct	-2.60%	Disposed	(price as of 2026-08-19)
Sept. 26, 2016	PTCT	M	2,200	$10.85	$23,870	7,325 Direct	+42.93%	Acquired	569.3% (price as of 2026-08-19)
March 3, 2016	PTCT	P	2,000	$6.23	$12,460	5,125 Direct	+64.00%	Acquired	1065.7% (price as of 2026-08-19)
Jan. 15, 2016	PTCT	M	3,125	—	—	84,534 Direct	-3.56%	Disposed	(price as of 2026-08-19)
Jan. 15, 2016	PTCT	M	3,125	$10.85	$33,906	3,125 Direct	—	Acquired	569.3% (price as of 2026-08-19)
Jan. 4, 2016	PTCT	A	70,000	—	—	70,000 Direct	—	Acquired	(price as of 2026-08-19)
July 21, 2015	PTCT	M	9,216	—	—	87,659 Direct	-9.51%	Disposed	(price as of 2026-08-19)
July 21, 2015	PTCT	M	9,216	$10.85	$99,994	9,216 Direct	—	Acquired	569.3% (price as of 2026-08-19)
March 17, 2015	PTCT	M 10b5-1	1,250	—	—	8,125 Direct	-13.33%	Disposed	(price as of 2026-08-19)
March 17, 2015	PTCT	M 10b5-1	9,450	—	—	96,875 Direct	-8.89%	Disposed	(price as of 2026-08-19)
March 17, 2015	PTCT	S 10b5-1	10,700	$76.64	$820,048	0 Direct	-100.00%	Disposed	-5.2% (price as of 2026-08-19)
March 17, 2015	PTCT	M 10b5-1	1,250	$10.85	$13,562	10,700 Direct	+13.23%	Acquired	569.3% (price as of 2026-08-19)
March 17, 2015	PTCT	M 10b5-1	9,450	$10.85	$102,532	9,450 Direct	—	Acquired	569.3% (price as of 2026-08-19)
March 13, 2015	PTCT	M 10b5-1	300	—	—	106,325 Direct	-0.28%	Disposed	(price as of 2026-08-19)
March 13, 2015	PTCT	S 10b5-1	300	$76.36	$22,908	0 Direct	-100.00%	Disposed	-4.9% (price as of 2026-08-19)
March 13, 2015	PTCT	M 10b5-1	300	$10.85	$3,255	300 Direct	—	Acquired	569.3% (price as of 2026-08-19)
Feb. 25, 2015	PTCT	M 10b5-1	625	—	—	9,375 Direct	-6.25%	Disposed	(price as of 2026-08-19)
Feb. 25, 2015	PTCT	M 10b5-1	10,375	—	—	106,625 Direct	-8.87%	Disposed	(price as of 2026-08-19)
Feb. 25, 2015	PTCT	S 10b5-1	11,000	$73.49	$808,390	0 Direct	-100.00%	Disposed	-1.2% (price as of 2026-08-19)
Feb. 25, 2015	PTCT	M 10b5-1	625	$10.85	$6,781	11,000 Direct	+6.02%	Acquired	569.3% (price as of 2026-08-19)
Feb. 25, 2015	PTCT	M 10b5-1	10,375	$10.85	$112,569	10,375 Direct	—	Acquired	569.3% (price as of 2026-08-19)
Feb. 24, 2015	PTCT	M 10b5-1	1,000	—	—	117,000 Direct	-0.85%	Disposed	(price as of 2026-08-19)
Feb. 24, 2015	PTCT	S 10b5-1	1,000	$67.70	$67,700	0 Direct	-100.00%	Disposed	7.3% (price as of 2026-08-19)
Feb. 24, 2015	PTCT	M 10b5-1	1,000	$10.85	$10,850	1,000 Direct	—	Acquired	569.3% (price as of 2026-08-19)
Feb. 23, 2015	PTCT	M 10b5-1	20,000	—	—	118,000 Direct	-14.49%	Disposed	(price as of 2026-08-19)
Feb. 23, 2015	PTCT	S 10b5-1	10,000	$67.84	$678,400	0 Direct	-100.00%	Disposed	7.0% (price as of 2026-08-19)
Feb. 23, 2015	PTCT	S 10b5-1	5,000	$63.66	$318,300	10,000 Direct	-33.33%	Disposed	14.1% (price as of 2026-08-19)
Feb. 23, 2015	PTCT	S 10b5-1	5,000	$62.69	$313,450	15,000 Direct	-25.00%	Disposed	15.8% (price as of 2026-08-19)
Feb. 23, 2015	PTCT	M 10b5-1	20,000	$10.85	$217,000	20,000 Direct	—	Acquired	569.3% (price as of 2026-08-19)
Feb. 23, 2015	PTCT	S 10b5-1	3,000	$64.72	$194,160	0 Direct	-100.00%	Disposed	12.2% (price as of 2026-08-19)
Jan. 20, 2015	PTCT	S 10b5-1	3,000	$60.02	$180,060	3,000 Direct	-50.00%	Disposed	21.0% (price as of 2026-08-19)
Jan. 16, 2015	PTCT	M 10b5-1	2,300	—	—	138,000 Direct	+1.69%	Acquired	(price as of 2026-08-19)
Jan. 16, 2015	PTCT	S 10b5-1	2,300	$58.67	$134,941	6,000 Direct	-27.71%	Disposed	23.8% (price as of 2026-08-19)
Jan. 16, 2015	PTCT	M 10b5-1	2,300	$10.85	$24,955	8,300 Direct	+38.33%	Acquired	569.3% (price as of 2026-08-19)
Jan. 14, 2015	PTCT	M	1,200	—	—	140,300 Direct	+0.86%	Acquired	(price as of 2026-08-19)
Jan. 14, 2015	PTCT	S 10b5-1	1,200	$58.62	$70,344	6,000 Direct	-16.67%	Disposed	23.9% (price as of 2026-08-19)
Jan. 14, 2015	PTCT	M 10b5-1	1,200	$10.85	$13,020	7,200 Direct	+20.00%	Acquired	569.3% (price as of 2026-08-19)
Jan. 13, 2015	PTCT	M	5,500	—	—	141,500 Direct	+4.04%	Acquired	(price as of 2026-08-19)
Jan. 13, 2015	PTCT	S 10b5-1	5,500	$58.75	$323,125	6,000 Direct	-47.83%	Disposed	23.6% (price as of 2026-08-19)
Jan. 13, 2015	PTCT	M 10b5-1	5,500	$10.85	$59,675	11,500 Direct	+91.67%	Acquired	569.3% (price as of 2026-08-19)
Jan. 13, 2015	PTCT	S 10b5-1	3,000	$56.51	$169,530	6,000 Direct	-33.33%	Disposed	28.5% (price as of 2026-08-19)
Jan. 2, 2015	PTCT	A	69,550	$51.00	$3,547,050	69,550 Direct	—	Acquired	42.4% (price as of 2026-08-19)
Sept. 26, 2014	PTCT	S 10b5-1	3,000	$46.90	$140,700	9,000 Direct	-25.00%	Disposed	54.8% (price as of 2026-08-19)
Sept. 25, 2014	PTCT	M 10b5-1	3,001	—	—	146,999 Direct	-2.00%	Disposed	(price as of 2026-08-19)
Sept. 25, 2014	PTCT	M 10b5-1	4,099	—	—	10,001 Direct	-29.07%	Disposed	(price as of 2026-08-19)
Sept. 25, 2014	PTCT	S 10b5-1	3,000	$44.92	$134,760	12,000 Direct	-20.00%	Disposed	61.7% (price as of 2026-08-19)
Sept. 25, 2014	PTCT	S 10b5-1	7,100	$44.15	$313,465	15,000 Direct	-32.13%	Disposed	64.5% (price as of 2026-08-19)
Sept. 25, 2014	PTCT	M 10b5-1	3,001	$10.85	$32,561	22,100 Direct	+15.71%	Acquired	569.3% (price as of 2026-08-19)
Sept. 25, 2014	PTCT	M 10b5-1	4,099	$10.85	$44,474	19,099 Direct	+27.33%	Acquired	569.3% (price as of 2026-08-19)
Sept. 24, 2014	PTCT	M 10b5-1	900	—	—	14,100 Direct	-6.00%	Disposed	(price as of 2026-08-19)
Sept. 24, 2014	PTCT	S 10b5-1	2,000	$42.88	$85,760	15,000 Direct	-11.76%	Disposed	69.4% (price as of 2026-08-19)
Sept. 24, 2014	PTCT	S 10b5-1	900	$43.86	$39,474	17,000 Direct	-5.03%	Disposed	65.6% (price as of 2026-08-19)
Sept. 24, 2014	PTCT	M 10b5-1	900	$10.85	$9,765	17,900 Direct	+5.29%	Acquired	569.3% (price as of 2026-08-19)
Sept. 15, 2014	PTCT	S 10b5-1	1,840	$36.41	$66,994	17,000 Direct	-9.77%	Disposed	99.5% (price as of 2026-08-19)
Sept. 15, 2014	PTCT	S 10b5-1	3,160	$35.72	$112,875	18,840 Direct	-14.36%	Disposed	103.3% (price as of 2026-08-19)
Sept. 15, 2014	PTCT	S 10b5-1	3,000	$36.68	$110,040	22,000 Direct	-12.00%	Disposed	98.0% (price as of 2026-08-19)
Jan. 28, 2014	PTCT	A	65,000	$27.05	$1,758,250	65,000 Direct	—	Acquired	168.5% (price as of 2026-08-19)
June 25, 2013	PTCT	P	25,000	$15.00	$375,000	25,000 Direct	—	Acquired	384.1% (price as of 2026-08-19)
May 15, 2013	PTCT	P	150,000	$10.85	$1,627,500	165,000 Direct	+1000.00%	Acquired	569.3% (price as of 2026-08-19)
May 15, 2013	PTCT	P	15,000	$10.85	$162,750	15,000 Direct	—	Acquired	569.3% (price as of 2026-08-19)

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
May 24, 2017	PTCT	Stock Option (Right To Buy)	Common Stock (2,000)	$10.85	May 15, 2023	2,000	Disposed
March 15, 2017	PTCT	Stock Option (Right To Buy)	Common Stock (2,966)	$10.85	May 15, 2023	2,966	Disposed
Feb. 16, 2017	PTCT	Stock Option (Right To Buy)	Common Stock (3,125)	$10.85	May 15, 2023	3,125	Disposed
Jan. 17, 2017	PTCT	Stock Option (Right To Buy)	Common Stock (3,125)	$10.85	May 15, 2023	3,125	Disposed
Jan. 3, 2017	PTCT	Stock Option (Right To Buy)	Common Stock (56,000)	$11.23	Jan. 2, 2027	56,000	Acquired
Nov. 14, 2016	PTCT	Stock Option (Right To Buy)	Common Stock (1,941)	$10.85	May 15, 2023	1,941	Disposed
Oct. 10, 2016	PTCT	Stock Option (Right To Buy)	Common Stock (1,950)	$10.85	May 15, 2023	1,950	Disposed
Sept. 26, 2016	PTCT	Stock Option (Right To Buy)	Common Stock (2,200)	$10.85	May 15, 2023	2,200	Disposed
Jan. 15, 2016	PTCT	Stock Option (Right To Buy)	Common Stock (3,125)	$10.85	May 15, 2015	3,125	Disposed
Jan. 4, 2016	PTCT	Stock Option (right to buy)	Common Stock (70,000)	$30.86	Jan. 3, 2026	70,000	Acquired
July 21, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (9,216)	$10.85	May 15, 2015	9,216	Disposed
March 17, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (1,250)	$10.85	May 15, 2023	1,250	Disposed
March 17, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (9,450)	$10.85	May 15, 2023	9,450	Disposed
March 13, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (300)	$10.85	May 15, 2015	300	Disposed
Feb. 25, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (625)	$10.85	May 15, 2015	625	Disposed
Feb. 25, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (10,375)	$10.85	May 15, 2023	10,375	Disposed
Feb. 24, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (1,000)	$10.85	May 15, 2023	1,000	Disposed
Feb. 23, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (20,000)	$10.85	May 15, 2023	20,000	Disposed
Jan. 16, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (2,300)	$10.85	May 15, 2023	2,300	Acquired
Jan. 14, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (1,200)	$10.85	May 15, 2023	1,200	Acquired
Jan. 13, 2015	PTCT	Stock Option (Right To Buy)	Common Stock (5,500)	$10.85	May 15, 2023	5,500	Acquired
Jan. 2, 2015	PTCT	Stock Option (right to buy)	Common Stock (69,550)	$51.00	Jan. 1, 2025	69,550	Acquired
Sept. 25, 2014	PTCT	Stock Option (Right To Buy)	Common Stock (3,001)	$10.85	May 15, 2023	3,001	Disposed
Sept. 25, 2014	PTCT	Stock Option (Right To Buy)	Common Stock (4,099)	$10.85	May 15, 2023	4,099	Disposed
Sept. 24, 2014	PTCT	Stock Option (Right To Buy)	Common Stock (900)	$10.85	May 15, 2023	900	Disposed
Jan. 28, 2014	PTCT	Stock Option (right to buy)	Common Stock (65,000)	$27.05	Jan. 27, 2024	65,000	Acquired
May 15, 2013	PTCT	Stock Option (right to buy)	Common Stock (150,000)	$10.85	May 15, 2023	150,000	Acquired
May 15, 2013	PTCT	Stock Option (right to buy)	Common Stock (15,000)	$10.85	May 15, 2023	15,000	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
June 27, 2013	PTCT	Stock Option (right to buy)→ Common Stock	—	Direct
June 19, 2013	PTCT	Stock Option (right to buy)→ Common Stock (15,000)	15,000	Direct
June 19, 2013	PTCT	Stock Option (right to buy)→ Common Stock (15,000)	15,000	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

PTCT

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$275,406	—	—	—	—	—	$273,855	$1,090,146
2016	$438,152	—	—	—	$192,173	—	$23,532	$1,995,819
2015	$425,390	—	—	$2,225,711	$187,172	—	$7,873	$2,846,146

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.