Michael J Malecek

CIK 1779336 · View on SEC EDGAR ↗

Insider

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

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 22 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

22 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 27, 2023 PRTA S 10b5-1 404 $48.31 $19,517 0 Direct -100.00% Disposed -81.0% (price as of 2026-08-21)
Sept. 27, 2023 PRTA S 10b5-1 4,596 $47.29 $217,345 404 Direct -91.92% Disposed -80.6% (price as of 2026-08-21)
Aug. 30, 2023 PRTA S 10b5-1 14 $56.21 $787 0 Direct -100.00% Disposed -83.7% (price as of 2026-08-21)
Aug. 30, 2023 PRTA S 10b5-1 2,664 $55.39 $147,559 14 Direct -99.48% Disposed -83.4% (price as of 2026-08-21)
Aug. 30, 2023 PRTA S 10b5-1 2,322 $54.58 $126,735 2,678 Direct -46.44% Disposed -83.2% (price as of 2026-08-21)
July 26, 2023 PRTA S 10b5-1 620 $63.40 $39,308 0 Direct -100.00% Disposed -85.5% (price as of 2026-08-21)
July 26, 2023 PRTA S 10b5-1 1,903 $62.69 $119,299 620 Direct -75.43% Disposed -85.3% (price as of 2026-08-21)
July 26, 2023 PRTA S 10b5-1 2,477 $61.78 $153,029 2,523 Direct -49.54% Disposed -85.1% (price as of 2026-08-21)
June 28, 2023 PRTA S 10b5-1 710 $70.84 $50,296 0 Direct -100.00% Disposed -87.0% (price as of 2026-08-21)
June 28, 2023 PRTA S 10b5-1 3,050 $69.89 $213,164 710 Direct -81.12% Disposed -86.9% (price as of 2026-08-21)
June 28, 2023 PRTA S 10b5-1 1,240 $69.07 $85,647 3,760 Direct -24.80% Disposed -86.7% (price as of 2026-08-21)
May 31, 2023 PRTA S 10b5-1 711 $65.98 $46,912 0 Direct -100.00% Disposed -86.1% (price as of 2026-08-21)
May 31, 2023 PRTA S 10b5-1 1,078 $65.20 $70,286 711 Direct -60.26% Disposed -85.9% (price as of 2026-08-21)
May 31, 2023 PRTA S 10b5-1 3,211 $64.16 $206,018 1,789 Direct -64.22% Disposed -85.7% (price as of 2026-08-21)
April 26, 2023 PRTA S 10b5-1 320 $54.25 $17,360 0 Direct -100.00% Disposed -83.1% (price as of 2026-08-21)
April 26, 2023 PRTA S 10b5-1 4,680 $53.40 $249,912 320 Direct -93.60% Disposed -82.8% (price as of 2026-08-21)
March 29, 2023 PRTA S 10b5-1 2,266 $49.28 $111,668 0 Direct -100.00% Disposed -81.4% (price as of 2026-08-21)
March 29, 2023 PRTA S 10b5-1 2,734 $48.81 $133,447 2,266 Direct -54.68% Disposed -81.2% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 176 $65.87 $11,593 0 Direct -100.00% Disposed -86.0% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 411 $64.96 $26,699 176 Direct -70.02% Disposed -85.9% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 494 $64.13 $31,680 587 Direct -45.70% Disposed -85.7% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 456 $62.85 $28,660 1,081 Direct -29.67% Disposed -85.4% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 1,625 $62.06 $100,848 1,537 Direct -51.39% Disposed -85.2% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 1,696 $60.96 $103,388 3,162 Direct -34.91% Disposed -84.9% (price as of 2026-08-21)
Nov. 30, 2022 PRTA S 10b5-1 142 $59.92 $8,509 4,858 Direct -2.84% Disposed -84.7% (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
March 3, 2026 PRTA Stock Option (Right to Buy) Ordinary Shares (190,000) $9.36 March 3, 2036 190,000 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
Sept. 27, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
Aug. 30, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
July 26, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
June 28, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
May 31, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
April 26, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
March 29, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
March 2, 2023 PRTA Stock Option (Right to Buy) Ordinary Shares (48,000) $52.97 March 2, 2033 48,000 Acquired
Nov. 30, 2022 PRTA Stock Option (Right to Buy) Ordinary Shares (5,000) $10.27 July 1, 2029 5,000 Disposed
Feb. 23, 2022 PRTA Stock Option (Right to Buy) Ordinary Shares (85,000) $32.45 Feb. 23, 2032 85,000 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

Chief Legal Officer and Company Secretary
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2020 $410,000 $589,505 $164,000 $14,250 $1,177,755
2019 $207,692 $125,000 $160,000 $8,400 $2,289,017

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