Michael J Malecek
CIK 1779336 · View on SEC EDGAR ↗
First SEC filing: March 5, 2026 · Latest: March 5, 2026
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| 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.