Hideki Garren
First SEC filing: Dec. 28, 2022 · Latest: Dec. 28, 2022
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2024 | PRTA | A | 85,000 | · | · | 85,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 1, 2024 | COYA | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 13, 2023 | PRTA | M | 2,000 | · | · | 192,000 Direct | -1.03% | Disposed | (price as of 2026-10-05) |
| Sept. 13, 2023 | PRTA | S 10b5-1 | 2,000 | $55.48 | $110,960 | 0 Direct | -100.00% | Disposed | -85.1% (price as of 2026-10-05) |
| Sept. 13, 2023 | PRTA | M | 2,000 | $24.90 | $49,800 | 2,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| Aug. 16, 2023 | PRTA | M | 2,000 | · | · | 194,000 Direct | -1.02% | Disposed | (price as of 2026-10-05) |
| Aug. 16, 2023 | PRTA | S 10b5-1 | 374 | $59.74 | $22,343 | 0 Direct | -100.00% | Disposed | -86.2% (price as of 2026-10-05) |
| Aug. 16, 2023 | PRTA | S 10b5-1 | 748 | $58.93 | $44,080 | 374 Direct | -66.67% | Disposed | -86.0% (price as of 2026-10-05) |
| Aug. 16, 2023 | PRTA | S 10b5-1 | 878 | $58.15 | $51,056 | 1,122 Direct | -43.90% | Disposed | -85.8% (price as of 2026-10-05) |
| Aug. 16, 2023 | PRTA | M | 2,000 | $24.90 | $49,800 | 2,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| July 12, 2023 | PRTA | M | 2,000 | · | · | 196,000 Direct | -1.01% | Disposed | (price as of 2026-10-05) |
| July 12, 2023 | PRTA | S 10b5-1 | 92 | $68.20 | $6,274 | 0 Direct | -100.00% | Disposed | -87.9% (price as of 2026-10-05) |
| July 12, 2023 | PRTA | S 10b5-1 | 1,908 | $67.48 | $128,752 | 92 Direct | -95.40% | Disposed | -87.7% (price as of 2026-10-05) |
| July 12, 2023 | PRTA | M | 2,000 | $24.90 | $49,800 | 2,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| June 16, 2023 | PRTA | M | 7,331 | · | · | 198,000 Direct | -3.57% | Disposed | (price as of 2026-10-05) |
| June 16, 2023 | PRTA | S 10b5-1 | 7,331 | $74.00 | $542,494 | 0 Direct | -100.00% | Disposed | -88.8% (price as of 2026-10-05) |
| June 16, 2023 | PRTA | M | 7,331 | $24.90 | $182,542 | 7,331 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| June 14, 2023 | PRTA | M | 4,669 | · | · | 205,331 Direct | -2.22% | Disposed | (price as of 2026-10-05) |
| June 14, 2023 | PRTA | S 10b5-1 | 655 | $75.49 | $49,446 | 0 Direct | -100.00% | Disposed | -89.0% (price as of 2026-10-05) |
| June 14, 2023 | PRTA | S 10b5-1 | 2,534 | $74.59 | $189,011 | 655 Direct | -79.46% | Disposed | -88.9% (price as of 2026-10-05) |
| June 14, 2023 | PRTA | S 10b5-1 | 971 | $73.31 | $71,184 | 3,189 Direct | -23.34% | Disposed | -88.7% (price as of 2026-10-05) |
| June 14, 2023 | PRTA | S 10b5-1 | 509 | $72.45 | $36,877 | 4,160 Direct | -10.90% | Disposed | -88.6% (price as of 2026-10-05) |
| June 14, 2023 | PRTA | M | 4,669 | $24.90 | $116,258 | 4,669 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| March 15, 2023 | PRTA | M | 12,000 | $24.90 | $298,800 | 12,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| March 15, 2023 | PRTA | S 10b5-1 | 6,000 | $48.16 | $288,960 | 6,000 Direct | -50.00% | Disposed | -82.8% (price as of 2026-10-05) |
| March 15, 2023 | PRTA | S 10b5-1 | 6,000 | $48.66 | $291,960 | 0 Direct | -100.00% | Disposed | -83.0% (price as of 2026-10-05) |
| March 15, 2023 | PRTA | M | 12,000 | · | · | 210,000 Direct | -5.41% | Disposed | (price as of 2026-10-05) |
| March 2, 2023 | PRTA | A | 48,000 | · | · | 48,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2023 | COYA | P | 2,000 | · | · | 2,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2023 | COYA | P | 1,000 | · | · | 1,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 1, 2022 | PRTA | M | 4,000 | · | · | 222,000 Direct | -1.77% | Disposed | (price as of 2026-10-05) |
| Dec. 1, 2022 | PRTA | S 10b5-1 | 4,000 | $62.51 | $250,040 | 0 Direct | -100.00% | Disposed | -86.8% (price as of 2026-10-05) |
| Dec. 1, 2022 | PRTA | M | 4,000 | $24.90 | $99,600 | 4,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| Nov. 1, 2022 | PRTA | M | 4,000 | · | · | 226,000 Direct | -1.74% | Disposed | (price as of 2026-10-05) |
| Nov. 1, 2022 | PRTA | S 10b5-1 | 511 | $62.41 | $31,892 | 0 Direct | -100.00% | Disposed | -86.7% (price as of 2026-10-05) |
| Nov. 1, 2022 | PRTA | S 10b5-1 | 3,489 | $61.82 | $215,690 | 511 Direct | -87.22% | Disposed | -86.6% (price as of 2026-10-05) |
| Nov. 1, 2022 | PRTA | M | 4,000 | $24.90 | $99,600 | 4,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| Oct. 3, 2022 | PRTA | M | 4,000 | $24.90 | $99,600 | 4,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| Oct. 3, 2022 | PRTA | S 10b5-1 | 4,000 | $60.90 | $243,600 | 0 Direct | -100.00% | Disposed | -86.4% (price as of 2026-10-05) |
| Oct. 3, 2022 | PRTA | M | 4,000 | · | · | 230,000 Direct | -1.71% | Disposed | (price as of 2026-10-05) |
| Sept. 15, 2022 | PRTA | M | 4,000 | $24.90 | $99,600 | 4,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| Sept. 15, 2022 | PRTA | S 10b5-1 | 4,000 | $30.00 | $120,000 | 0 Direct | -100.00% | Disposed | -72.4% (price as of 2026-10-05) |
| Sept. 15, 2022 | PRTA | M | 4,000 | · | · | 234,000 Direct | -1.68% | Disposed | (price as of 2026-10-05) |
| Aug. 1, 2022 | PRTA | M | 4,000 | $24.90 | $99,600 | 4,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| Aug. 1, 2022 | PRTA | S 10b5-1 | 4,000 | $30.52 | $122,080 | 0 Direct | -100.00% | Disposed | -72.9% (price as of 2026-10-05) |
| Aug. 1, 2022 | PRTA | M | 4,000 | · | · | 238,000 Direct | -1.65% | Disposed | (price as of 2026-10-05) |
| July 6, 2022 | PRTA | M | 8,000 | $24.90 | $199,200 | 8,000 Direct | · | Acquired | -66.8% (price as of 2026-10-05) |
| July 6, 2022 | PRTA | S 10b5-1 | 8,000 | $30.00 | $240,000 | 0 Direct | -100.00% | Disposed | -72.4% (price as of 2026-10-05) |
| July 6, 2022 | PRTA | M | 8,000 | · | · | 242,000 Direct | -3.20% | Disposed | (price as of 2026-10-05) |
| Feb. 23, 2022 | PRTA | A | 85,000 | · | · | 85,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 5, 2021 | PRTA | A | 250,000 | · | · | 250,000 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 |
|---|---|---|---|---|---|---|---|
| Feb. 27, 2024 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $30.30 | Feb. 27, 2034 | 85,000 | Acquired |
| Jan. 1, 2024 | COYA | Stock Option (right to buy) | Common Stock, par value $0.0001 per share | $7.41 | Jan. 1, 2034 | 5,000 | Acquired |
| Sept. 13, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 2,000 | Disposed |
| Aug. 16, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 2,000 | Disposed |
| July 12, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 2,000 | Disposed |
| June 16, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 7,331 | Disposed |
| June 14, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 4,669 | Disposed |
| March 15, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 12,000 | Disposed |
| March 2, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $52.97 | March 2, 2033 | 48,000 | Acquired |
| Jan. 3, 2023 | COYA | Warrant to Purchase Common Stock | Common Stock, par value $0.0001 per share | $7.50 | Jan. 3, 2025 | 1,000 | Acquired |
| Dec. 1, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 4,000 | Disposed |
| Nov. 1, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 4,000 | Disposed |
| Oct. 3, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 4,000 | Disposed |
| Sept. 15, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 4,000 | Disposed |
| Aug. 1, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 4,000 | Disposed |
| July 6, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 8,000 | Disposed |
| Feb. 23, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $32.45 | Feb. 23, 2032 | 85,000 | Acquired |
| April 5, 2021 | PRTA | Stock Option (Right to Buy) | Ordinary Shares | $24.90 | April 5, 2031 | 250,000 | 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. 28, 2022 | COYA | Stock Option (right to buy) | · | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | $364,044 | $50,000 | · | $4,319,200 | $290,938 | · | $14,500 | $5,038,682 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.