Dale B. Schenk
CIK 1564371 · View on SEC EDGAR ↗
First SEC filing: March 19, 2014 · Latest: Feb. 13, 2015
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
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 17, 2015 | PRTA | S | 300 | $69.37 | $20,811 | 3,333 Direct | -8.26% | Disposed | -86.8% (price as of 2026-08-21) |
| Nov. 17, 2015 | PRTA | S | 7,200 | $68.65 | $494,280 | 3,633 Direct | -66.46% | Disposed | -86.6% (price as of 2026-08-21) |
| Nov. 17, 2015 | PRTA | S | 7,374 | $67.89 | $500,621 | 10,833 Direct | -40.50% | Disposed | -86.5% (price as of 2026-08-21) |
| Nov. 17, 2015 | PRTA | S | 9,826 | $66.83 | $656,672 | 18,207 Direct | -35.05% | Disposed | -86.2% (price as of 2026-08-21) |
| Nov. 17, 2015 | PRTA | S | 5,300 | $65.78 | $348,634 | 28,033 Direct | -15.90% | Disposed | -86.0% (price as of 2026-08-21) |
| Aug. 20, 2015 | PRTA | S | 7,100 | $57.59 | $408,889 | 3,333 Direct | -68.05% | Disposed | -84.0% (price as of 2026-08-21) |
| Aug. 20, 2015 | PRTA | S | 13,600 | $56.73 | $771,528 | 10,433 Direct | -56.59% | Disposed | -83.8% (price as of 2026-08-21) |
| Aug. 20, 2015 | PRTA | S | 9,300 | $55.82 | $519,126 | 24,033 Direct | -27.90% | Disposed | -83.5% (price as of 2026-08-21) |
| May 12, 2014 | PRTA | P | 5,900 | $20.99 | $123,841 | 8,161 Direct | +260.95% | Acquired | -56.2% (price as of 2026-08-21) |
| May 12, 2014 | PRTA | P | 2,100 | $20.23 | $42,483 | 2,261 Direct | +1304.35% | Acquired | -54.6% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 24, 2016 | PRTA | Stock Option (right to buy) | Ordinary Shares (200,000) | $34.61 | Feb. 24, 2026 | 200,000 | Acquired |
| Nov. 17, 2015 | PRTA | Stock Option (right to buy) | Ordinary Shares (33,333) | $6.03 | Jan. 29, 2023 | 33,333 | Disposed |
| Aug. 20, 2015 | PRTA | Stock Option (right to buy) | Ordinary Shares (33,333) | $6.03 | Jan. 29, 2023 | 33,333 | Disposed |
| March 11, 2015 | PRTA | Stock Option (right to buy) | Ordinary Shares (150,000) | $27.81 | March 11, 2025 | 150,000 | Acquired |
| Feb. 4, 2014 | PRTA | Stock Option (right to buy) | Ordinary Shares (105,000) | $29.81 | Feb. 4, 2024 | 105,000 | Acquired |
| Feb. 4, 2014 | PRTA | Stock Option (right to buy) | Ordinary Shares (105,000) | $29.81 | Feb. 4, 2024 | 105,000 | Acquired |
| Jan. 29, 2013 | PRTA | Stock Option (right to buy) | Ordinary Shares (450,000) | — | Jan. 29, 2023 | 450,000 | Acquired |
| Jan. 29, 2013 | PRTA | Stock Option (right to buy) | Ordinary Shares (450,000) | — | Jan. 29, 2023 | 450,000 | 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.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2016 | $401,667 | — | — | — | $253,050 | — | $1,247,086 | $6,434,943 |
| 2015 | $515,833 | — | — | — | $263,075 | — | $11,263 | $3,574,996 |
| 2014 | $491,667 | — | — | $2,226,903 | $295,000 | — | $11,700 | $3,025,270 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.