Tran Nguyen

CIK 1457013 · View on SEC EDGAR ↗

Insider

First SEC filing: March 1, 2019 · Latest: March 1, 2019

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 28 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

28 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 17, 2023 PRTA S 10b5-1 100 $76.04 $7,604 3,200 Direct -3.03% Disposed -87.9% (price as of 2026-08-21)
May 17, 2023 PRTA S 10b5-1 9,215 $75.44 $695,180 3,300 Direct -73.63% Disposed -87.8% (price as of 2026-08-21)
May 17, 2023 PRTA S 10b5-1 37,044 $74.55 $2,761,630 12,515 Direct -74.75% Disposed -87.7% (price as of 2026-08-21)
May 17, 2023 PRTA S 10b5-1 34,640 $73.54 $2,547,426 49,559 Direct -41.14% Disposed -87.5% (price as of 2026-08-21)
May 17, 2023 PRTA S 10b5-1 14,001 $72.66 $1,017,313 84,199 Direct -14.26% Disposed -87.4% (price as of 2026-08-21)
Nov. 23, 2022 PRTA S 10b5-1 1,469 $62.28 $91,489 3,200 Direct -31.46% Disposed -85.2% (price as of 2026-08-21)
Nov. 23, 2022 PRTA S 10b5-1 3,984 $61.28 $244,140 4,669 Direct -46.04% Disposed -85.0% (price as of 2026-08-21)
Nov. 23, 2022 PRTA S 10b5-1 4,547 $60.53 $275,230 8,653 Direct -34.45% Disposed -84.8% (price as of 2026-08-21)
Sept. 21, 2022 PRTA S 10b5-1 10,000 $30.75 $307,500 3,200 Direct -75.76% Disposed -70.1% (price as of 2026-08-21)
March 9, 2017 PRTA P 1,000 $51.32 $51,320 3,200 Direct +45.45% Acquired -82.1% (price as of 2026-08-21)
Dec. 9, 2015 PRTA S 2,100 $67.00 $140,700 2,200 Direct -48.84% Disposed -86.3% (price as of 2026-08-21)
Dec. 9, 2015 PRTA S 19,731 $66.37 $1,309,546 4,300 Direct -82.11% Disposed -86.2% (price as of 2026-08-21)
Dec. 9, 2015 PRTA S 8,169 $65.46 $534,743 24,031 Direct -25.37% Disposed -86.0% (price as of 2026-08-21)
May 9, 2014 PRTA P 2,200 $19.61 $43,142 2,200 Direct — Acquired -53.1% (price as of 2026-08-21)

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 28, 2026 PRTA Restricted Stock Units [F2] Ordinary Shares (57,000) — — 57,000 Disposed
March 3, 2026 PRTA Stock Option (Right to Buy) Ordinary Shares (230,000) $9.36 March 3, 2036 230,000 Acquired
March 5, 2025 PRTA Stock Option (Right to Buy) Ordinary Shares (107,500) $14.95 March 5, 2035 107,500 Acquired
Feb. 27, 2024 PRTA Stock Option (Right to Buy) Ordinary Shares (85,000) $30.30 Feb. 27, 2034 85,000 Acquired
May 17, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (50,000) $22.85 March 11, 2025 50,000 Disposed
May 17, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (45,000) $29.81 Feb. 4, 2024 45,000 Disposed
March 2, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (48,000) $52.97 March 2, 2033 48,000 Acquired
Nov. 23, 2022 PRTA Stock Option (Right to Buy) Ordinary Shares (10,000) $6.73 March 31, 2023 10,000 Disposed
Sept. 21, 2022 PRTA Stock Option (Right to Buy) Ordinary Shares (10,000) $6.73 March 31, 2023 10,000 Disposed
Feb. 23, 2022 PRTA Stock Option (Right to Buy) Ordinary Shares (85,000) $32.45 Feb. 23, 2032 85,000 Acquired
Feb. 27, 2019 PRTA Stock Option (right to buy) Ordinary Shares (95,000) $13.53 Feb. 27, 2029 95,000 Acquired
June 21, 2018 PRTA Stock Option (right to buy) Ordinary Shares (250,000) $15.04 June 21, 2028 250,000 Acquired
Feb. 21, 2018 PRTA Stock Option (right to buy) Ordinary Shares (80,000) $33.10 Feb. 21, 2028 80,000 Acquired
Feb. 22, 2017 PRTA Stock Option (right to buy) Ordinary Shares (75,000) $55.00 Feb. 22, 2027 75,000 Acquired
Feb. 24, 2016 PRTA Stock Option (right to buy) Ordinary Shares (65,000) $34.61 Feb. 24, 2026 65,000 Acquired
Dec. 9, 2015 PRTA Stock Option (right to buy) Ordinary Shares (30,000) $6.73 March 31, 2023 30,000 Disposed
March 11, 2015 PRTA Stock Option (right to buy) Ordinary Shares (55,000) $27.81 March 11, 2025 55,000 Acquired
Feb. 4, 2014 PRTA Stock Option (right to buy) Ordinary Shares (45,000) $29.81 Feb. 4, 2024 45,000 Acquired
April 1, 2013 PRTA Stock Option (right to buy) Ordinary Shares (180,000) $6.73 March 31, 2023 180,000 Acquired

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

Compensation (DEF 14A)

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

PRTA

CFO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2021 $458,574 — — $1,310,627 $272,278 — $14,500 $2,055,979
2020 $443,415 — — $884,258 $221,708 — $14,250 $1,563,631
2019 $430,500 — — — $215,250 — $14,000 $1,566,459

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