William P Scully

Insider

First SEC filing: June 5, 2026 · Latest: June 5, 2026

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

PRTA buying Aug. 7, 2026

Insider transactions

7 buys (P) 0 sells (S) Net: $3,420,500 + 11 non-open-market transactions below Avg return of open purchases vs now: 4.6% 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

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 18, 2026	PRTA	G	627,553	—	—	750,000 Direct	-45.56%	Disposed	(price as of 2026-08-19)
Aug. 17, 2026	PRTA	G	336,000	—	—	1,377,553 Direct	+32.26%	Acquired	(price as of 2026-08-19)
Aug. 10, 2026	PRTA	G	251,553	—	—	1,041,553 Direct	+31.84%	Acquired	(price as of 2026-08-19)
Aug. 7, 2026	PRTA	P	34,000	$8.62	$293,080	790,000 Direct	+4.50%	Acquired	6.6% (price as of 2026-08-19)
Aug. 7, 2026	PRTA	P	3,500	$8.62	$30,170	83,500 Indirect	+4.38%	Acquired	6.6% (price as of 2026-08-19)
June 16, 2026	PRTA	P	20,000	$7.90	$158,000	756,000 Direct	+2.72%	Acquired	16.3% (price as of 2026-08-19)
June 15, 2026	PRTA	G	325,000	—	—	736,000 Direct	-30.63%	Disposed	(price as of 2026-08-19)
June 11, 2026	PRTA	P	125,000	$8.17	$1,021,250	1,061,000 Direct	+13.35%	Acquired	12.5% (price as of 2026-08-19)
June 4, 2026	PRTA	P	50,000	$9.31	$465,500	936,000 Direct	+5.64%	Acquired	-1.3% (price as of 2026-08-19)
June 2, 2026	PRTA	P	50,000	$9.43	$471,500	886,000 Direct	+5.98%	Acquired	-2.5% (price as of 2026-08-19)
May 22, 2026	PRTA	P	100,000	$9.81	$981,000	836,000 Direct	+13.59%	Acquired	-6.3% (price as of 2026-08-19)
Jan. 15, 2025	PRTA	G	12,000	—	—	47,000 Indirect	-20.34%	Disposed	(price as of 2026-08-19)
Jan. 14, 2025	PRTA	P	100,000	$12.79	$1,279,000	735,993 Direct	+15.72%	Acquired	-28.1% (price as of 2026-08-19)
Jan. 3, 2025	PRTA	G	1,000	—	—	635,993 Direct	-0.16%	Disposed	(price as of 2026-08-19)
Jan. 2, 2025	PRTA	G	13,200	—	—	636,993 Direct	-2.03%	Disposed	(price as of 2026-08-19)
Dec. 31, 2024	PRTA	P	30,000	$12.99	$389,700	650,193 Direct	+4.84%	Acquired	-29.3% (price as of 2026-08-19)
Dec. 31, 2024	PRTA	P	800	$13.39	$10,712	620,193 Direct	+0.13%	Acquired	-31.4% (price as of 2026-08-19)
Dec. 31, 2024	PRTA	P	1,200	$13.37	$16,044	619,393 Direct	+0.19%	Acquired	-31.3% (price as of 2026-08-19)
Dec. 20, 2024	PRTA	G	40,000	—	—	59,000 Indirect	-40.40%	Disposed	(price as of 2026-08-19)
Dec. 20, 2024	PRTA	G	500	—	—	618,193 Direct	-0.08%	Disposed	(price as of 2026-08-19)
Dec. 20, 2024	PRTA	P	2,000	$15.91	$31,820	618,693 Direct	+0.32%	Acquired	-42.2% (price as of 2026-08-19)
Dec. 19, 2024	PRTA	G	681,000	—	—	616,693 Direct	-52.48%	Disposed	(price as of 2026-08-19)
Dec. 18, 2024	PRTA	P	73,436	$13.93	$1,022,963	1,297,693 Direct	+6.00%	Acquired	-34.0% (price as of 2026-08-19)
Dec. 18, 2024	PRTA	G	430,000	—	—	1,224,257 Direct	+54.14%	Acquired	(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.

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
May 14, 2026	PRTA	Ordinary Shares, par value $0.01 per share	736,000	Direct
May 14, 2026	PRTA	Ordinary Shares, par value $0.01 per share	80,000	Indirect
May 14, 2026	PRTA	Ordinary Shares, par value $0.01 per share	52,000	Indirect
May 1, 2025	PRTA	Ordinary Shares, par value $0.01 per share	794,257	Direct
May 1, 2025	PRTA	Ordinary Shares, par value $0.01 per share	75,950	Indirect
May 1, 2025	PRTA	Ordinary Shares, par value $0.01 per share	68,000	Indirect
May 1, 2025	PRTA	Ordinary Shares, par value $0.01 per share	99,000	Indirect