COLLIER RICHARD T
Insider
First SEC filing: Dec. 21, 2012 · Latest: Dec. 21, 2012
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | PRTA | A | 27,000 | · | · | 27,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 14, 2025 | PRTA | A | 20,183 | · | · | 20,183 Direct | · | Acquired | (price as of 2026-10-05) |
| May 15, 2024 | PRTA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 17, 2023 | PRTA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 5, 2023 | PRTA | M | 5,000 | $6.41 | $32,050 | 6,219 Direct | +410.17% | Acquired | 29.0% (price as of 2026-10-05) |
| Jan. 5, 2023 | PRTA | S 10b5-1 | 5,000 | $52.67 | $263,350 | 1,219 Direct | -80.40% | Disposed | -84.3% (price as of 2026-10-05) |
| Jan. 5, 2023 | PRTA | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | M | 5,000 | $6.41 | $32,050 | 6,219 Direct | +410.17% | Acquired | 29.0% (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | S 10b5-1 | 1,915 | $60.28 | $115,436 | 4,304 Direct | -30.79% | Disposed | -86.3% (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | S 10b5-1 | 913 | $61.13 | $55,812 | 3,391 Direct | -21.21% | Disposed | -86.5% (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | S 10b5-1 | 576 | $62.71 | $36,121 | 2,815 Direct | -16.99% | Disposed | -86.8% (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | S 10b5-1 | 647 | $63.83 | $41,298 | 2,168 Direct | -22.98% | Disposed | -87.0% (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | S 10b5-1 | 949 | $65.02 | $61,704 | 1,219 Direct | -43.77% | Disposed | -87.3% (price as of 2026-10-05) |
| Dec. 5, 2022 | PRTA | M | 5,000 | · | · | 5,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2022 | PRTA | M | 5,000 | $6.41 | $32,050 | 6,219 Direct | +410.17% | Acquired | 29.0% (price as of 2026-10-05) |
| Nov. 7, 2022 | PRTA | S 10b5-1 | 1,486 | $54.74 | $81,344 | 4,733 Direct | -23.89% | Disposed | -84.9% (price as of 2026-10-05) |
| Nov. 7, 2022 | PRTA | S 10b5-1 | 2,688 | $55.71 | $149,748 | 2,045 Direct | -56.79% | Disposed | -85.2% (price as of 2026-10-05) |
| Nov. 7, 2022 | PRTA | S 10b5-1 | 826 | $56.89 | $46,991 | 1,219 Direct | -40.39% | Disposed | -85.5% (price as of 2026-10-05) |
| Nov. 7, 2022 | PRTA | M | 5,000 | · | · | 10,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Oct. 5, 2022 | PRTA | M | 5,000 | $6.41 | $32,050 | 6,219 Direct | +410.17% | Acquired | 29.0% (price as of 2026-10-05) |
| Oct. 5, 2022 | PRTA | S 10b5-1 | 890 | $56.54 | $50,321 | 5,329 Direct | -14.31% | Disposed | -85.4% (price as of 2026-10-05) |
| Oct. 5, 2022 | PRTA | S 10b5-1 | 3,404 | $57.97 | $197,330 | 1,925 Direct | -63.88% | Disposed | -85.7% (price as of 2026-10-05) |
| Oct. 5, 2022 | PRTA | S 10b5-1 | 352 | $58.94 | $20,747 | 1,573 Direct | -18.29% | Disposed | -86.0% (price as of 2026-10-05) |
| Oct. 5, 2022 | PRTA | S 10b5-1 | 354 | $59.95 | $21,222 | 1,219 Direct | -22.50% | Disposed | -86.2% (price as of 2026-10-05) |
| Oct. 5, 2022 | PRTA | M | 5,000 | · | · | 15,000 Direct | +50.00% | Acquired | (price as of 2026-10-05) |
| Sept. 28, 2022 | PRTA | M | 25,000 | · | · | 20,000 Direct | -55.56% | Disposed | (price as of 2026-10-05) |
| Sept. 28, 2022 | PRTA | S 10b5-1 | 25,000 | $48.09 | $1,202,250 | 1,219 Direct | -95.35% | Disposed | -82.8% (price as of 2026-10-05) |
| Sept. 28, 2022 | PRTA | M | 25,000 | $6.41 | $160,250 | 26,219 Direct | +2050.86% | Acquired | 29.0% (price as of 2026-10-05) |
| May 18, 2022 | PRTA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 5, 2022 | PRTA | M | 5,000 | $6.41 | $32,050 | 6,219 Direct | +410.17% | Acquired | 29.0% (price as of 2026-10-05) |
| April 5, 2022 | PRTA | S 10b5-1 | 2,631 | $39.18 | $103,083 | 3,588 Direct | -42.31% | Disposed | -78.9% (price as of 2026-10-05) |
| April 5, 2022 | PRTA | S 10b5-1 | 2,369 | $39.66 | $93,955 | 1,219 Direct | -66.03% | Disposed | -79.1% (price as of 2026-10-05) |
| April 5, 2022 | PRTA | M | 5,000 | · | · | 45,000 Direct | -10.00% | Disposed | (price as of 2026-10-05) |
| May 19, 2021 | PRTA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2021 | PRTA | D | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 12, 2021 | PRTA | A | 9,803 | · | · | 9,803 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2021 | PRTA | D | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 12, 2021 | PRTA | A | 8,426 | · | · | 8,426 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2021 | PRTA | D | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 12, 2021 | PRTA | A | 6,315 | · | · | 6,315 Direct | · | Acquired | (price as of 2026-10-05) |
| May 20, 2020 | PRTA | A | 17,500 | · | · | 17,500 Direct | · | Acquired | (price as of 2026-10-05) |
| May 22, 2019 | PRTA | A | 17,500 | · | · | 17,500 Direct | · | Acquired | (price as of 2026-10-05) |
| May 16, 2018 | PRTA | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 18, 2017 | PRTA | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 20, 2016 | PRTA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 22, 2015 | PRTA | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 29, 2013 | PRTA | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| May 15, 2026 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $9.76 | May 15, 2036 | 27,000 | Acquired |
| May 14, 2025 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.88 | May 14, 2035 | 20,183 | Acquired |
| May 15, 2024 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $22.39 | May 15, 2034 | 15,000 | Acquired |
| May 17, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $76.00 | May 17, 2033 | 15,000 | Acquired |
| Jan. 5, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.41 | Jan. 29, 2023 | 5,000 | Disposed |
| Dec. 5, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.41 | Jan. 29, 2023 | 5,000 | Disposed |
| Nov. 7, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.41 | Jan. 29, 2023 | 5,000 | Disposed |
| Oct. 5, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.41 | Jan. 29, 2023 | 5,000 | Acquired |
| Sept. 28, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.41 | Jan. 29, 2023 | 25,000 | Disposed |
| May 18, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $25.60 | May 18, 2032 | 15,000 | Acquired |
| April 5, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $6.41 | Jan. 29, 2023 | 5,000 | Disposed |
| May 19, 2021 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $23.97 | May 19, 2031 | 15,000 | Acquired |
| Feb. 12, 2021 | PRTA | Employee Stock Option (Right to Buy) | Ordinary Shares | $34.04 | May 22, 2025 | 15,000 | Disposed |
| Feb. 12, 2021 | PRTA | Employee Stock Option (Right to Buy) | Ordinary Shares | $22.85 | May 22, 2025 | 9,803 | Acquired |
| Feb. 12, 2021 | PRTA | Employee Stock Option (Right to Buy) | Ordinary Shares | $42.50 | May 20, 2026 | 15,000 | Disposed |
| Feb. 12, 2021 | PRTA | Employee Stock Option (Right to Buy) | Ordinary Shares | $22.85 | May 20, 2026 | 8,426 | Acquired |
| Feb. 12, 2021 | PRTA | Employee Stock Option (Right to Buy) | Ordinary Shares | $56.23 | May 18, 2027 | 12,000 | Disposed |
| Feb. 12, 2021 | PRTA | Employee Stock Option (Right to Buy) | Ordinary Shares | $22.85 | May 18, 2027 | 6,315 | Acquired |
| May 20, 2020 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $11.33 | May 20, 2030 | 17,500 | Acquired |
| May 22, 2019 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $9.23 | May 22, 2029 | 17,500 | Acquired |
| May 16, 2018 | PRTA | Stock Option (right to buy) | Ordinary Shares | $16.43 | May 16, 2028 | 12,000 | Acquired |
| May 18, 2017 | PRTA | Stock Option (right to buy) | Ordinary Shares | $56.23 | May 18, 2027 | 12,000 | Acquired |
| May 20, 2016 | PRTA | Stock Option (right to buy) | Ordinary Shares | $42.50 | May 20, 2026 | 15,000 | Acquired |
| May 22, 2015 | PRTA | Stock Option (right to buy) | Ordinary Shares | $34.04 | May 22, 2025 | 15,000 | Acquired |
| Jan. 29, 2013 | PRTA | Stock Option (right to buy) | Ordinary Shares | · | Jan. 29, 2023 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 21, 2012 | PRTA | Ordinary Shares, par value $0.01 per share | 1,219 | Direct |