James Bylund
First SEC filing: March 8, 2021 · Latest: March 8, 2021
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | RGEN | A | 8,315 | · | · | 8,315 Direct | · | Acquired | (price as of 2026-10-06) |
| March 5, 2026 | RGEN | A | 7,751 | · | · | 25,423 Direct | +43.86% | Acquired | (price as of 2026-10-06) |
| March 4, 2026 | RGEN | F | 62 | $125.84 | $7,802 | 17,672 Direct | -0.35% | Disposed | 39.0% (price as of 2026-10-06) |
| March 4, 2026 | RGEN | A | 125 | · | · | 17,734 Direct | +0.71% | Acquired | (price as of 2026-10-06) |
| March 2, 2026 | RGEN | F | 2,433 | $124.97 | $304,052 | 17,609 Direct | -12.14% | Disposed | 39.9% (price as of 2026-10-06) |
| Feb. 27, 2026 | RGEN | F | 1,478 | $128.73 | $190,263 | 20,042 Direct | -6.87% | Disposed | 35.8% (price as of 2026-10-06) |
| Nov. 18, 2025 | RGEN | S | 2,191 | $151.21 | $331,301 | 21,520 Direct | -9.24% | Disposed | 15.6% (price as of 2026-10-06) |
| April 1, 2025 | RGEN | F | 454 | $128.50 | $58,339 | 23,711 Direct | -1.88% | Disposed | 36.1% (price as of 2026-10-06) |
| March 13, 2025 | RGEN | F | 175 | $142.44 | $24,927 | 24,165 Direct | -0.72% | Disposed | 22.8% (price as of 2026-10-06) |
| March 13, 2025 | RGEN | A | 381 | · | · | 24,340 Direct | +1.59% | Acquired | (price as of 2026-10-06) |
| March 3, 2025 | RGEN | A | 6,056 | · | · | 6,056 Direct | · | Acquired | (price as of 2026-10-06) |
| March 3, 2025 | RGEN | F | 1,239 | $155.38 | $192,516 | 23,959 Direct | -4.92% | Disposed | 12.5% (price as of 2026-10-06) |
| March 3, 2025 | RGEN | A | 6,435 | · | · | 25,198 Direct | +34.30% | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2025 | RGEN | F | 1,285 | $156.54 | $201,154 | 18,763 Direct | -6.41% | Disposed | 11.7% (price as of 2026-10-06) |
| Feb. 24, 2025 | RGEN | F | 543 | $164.74 | $89,454 | 20,048 Direct | -2.64% | Disposed | 6.1% (price as of 2026-10-06) |
| April 2, 2024 | RGEN | F | 444 | $182.95 | $81,230 | 20,591 Direct | -2.11% | Disposed | -4.4% (price as of 2026-10-06) |
| March 7, 2024 | RGEN | F | 1,206 | $195.72 | $236,038 | 21,035 Direct | -5.42% | Disposed | -10.7% (price as of 2026-10-06) |
| March 5, 2024 | RGEN | F | 22 | $195.52 | $4,301 | 22,241 Direct | -0.10% | Disposed | -10.6% (price as of 2026-10-06) |
| March 4, 2024 | RGEN | F | 197 | $193.99 | $38,216 | 22,263 Direct | -0.88% | Disposed | -9.9% (price as of 2026-10-06) |
| March 1, 2024 | RGEN | A | 50 | · | · | 22,460 Direct | +0.22% | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | RGEN | F | 820 | $191.79 | $157,268 | 22,410 Direct | -3.53% | Disposed | -8.8% (price as of 2026-10-06) |
| Feb. 29, 2024 | RGEN | A | 404 | · | · | 23,230 Direct | +1.77% | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2024 | RGEN | A | 8,632 | · | · | 8,632 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2024 | RGEN | A | 8,691 | · | · | 22,826 Direct | +61.49% | Acquired | (price as of 2026-10-06) |
| Feb. 23, 2024 | RGEN | M | 940 | · | · | 4,000 Direct | +30.72% | Acquired | (price as of 2026-10-06) |
| Feb. 23, 2024 | RGEN | S | 4,373 | $198.08 | $866,204 | 14,135 Direct | -23.63% | Disposed | -11.7% (price as of 2026-10-06) |
| Feb. 23, 2024 | RGEN | M | 940 | $94.33 | $88,670 | 18,508 Direct | +5.35% | Acquired | 85.4% (price as of 2026-10-06) |
| April 4, 2023 | RGEN | F | 334 | $163.45 | $54,592 | 17,568 Direct | -1.87% | Disposed | 7.0% (price as of 2026-10-06) |
| March 3, 2023 | RGEN | F | 210 | $188.00 | $39,480 | 17,902 Direct | -1.16% | Disposed | -7.0% (price as of 2026-10-06) |
| March 3, 2023 | RGEN | A | 625 | · | · | 18,112 Direct | +3.57% | Acquired | (price as of 2026-10-06) |
| March 2, 2023 | RGEN | A | 8,644 | · | · | 8,644 Direct | · | Acquired | (price as of 2026-10-06) |
| March 2, 2023 | RGEN | A | 8,348 | · | · | 17,487 Direct | +91.34% | Acquired | (price as of 2026-10-06) |
| Feb. 28, 2023 | RGEN | F | 594 | $173.44 | $103,023 | 9,139 Direct | -6.10% | Disposed | 0.8% (price as of 2026-10-06) |
| Aug. 3, 2022 | RGEN | M | 2,000 | · | · | 8,000 Direct | -20.00% | Disposed | (price as of 2026-10-06) |
| Aug. 3, 2022 | RGEN | S | 2,000 | $240.40 | $480,800 | 9,733 Direct | -17.05% | Disposed | -27.3% (price as of 2026-10-06) |
| Aug. 3, 2022 | RGEN | M | 2,000 | $94.33 | $188,660 | 11,733 Direct | +20.55% | Acquired | 85.4% (price as of 2026-10-06) |
| April 1, 2022 | RGEN | F | 335 | $188.02 | $62,987 | 9,733 Direct | -3.33% | Disposed | -7.0% (price as of 2026-10-06) |
| Feb. 24, 2022 | RGEN | A | 4,312 | · | · | 4,312 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 24, 2022 | RGEN | F | 188 | $189.21 | $35,571 | 10,068 Direct | -1.83% | Disposed | -7.6% (price as of 2026-10-06) |
| Feb. 24, 2022 | RGEN | A | 3,366 | · | · | 10,256 Direct | +48.85% | Acquired | (price as of 2026-10-06) |
| Feb. 17, 2022 | RGEN | F | 334 | $182.42 | $60,928 | 6,890 Direct | -4.62% | Disposed | -4.1% (price as of 2026-10-06) |
| Feb. 17, 2022 | RGEN | A | 900 | · | · | 7,224 Direct | +14.23% | Acquired | (price as of 2026-10-06) |
| April 6, 2021 | RGEN | S | 360 | $204.25 | $73,530 | 6,324 Direct | -5.39% | Disposed | -14.4% (price as of 2026-10-06) |
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 5, 2026 | RGEN | Stock Option (Right to Buy) | Common Stock | $141.91 | March 5, 2036 | 8,315 | Acquired |
| March 3, 2025 | RGEN | Stock Option (Right to Buy) | Common Stock | $155.38 | March 3, 2035 | 6,056 | Acquired |
| Feb. 27, 2024 | RGEN | Stock Option (Right to Buy) | Common Stock | $192.71 | Feb. 27, 2034 | 8,632 | Acquired |
| Feb. 23, 2024 | RGEN | Stock Option (Right to Buy) | Common Stock | $94.33 | April 1, 2030 | 940 | Acquired |
| March 2, 2023 | RGEN | Stock Option (Right to Buy) | Common Stock | $180.48 | March 2, 2033 | 8,644 | Acquired |
| Aug. 3, 2022 | RGEN | Stock Option (Right to Buy) | Common Stock | $94.33 | April 1, 2030 | 2,000 | Disposed |
| Feb. 24, 2022 | RGEN | Stock Option (Right to Buy) | Common Stock | $189.21 | Feb. 24, 2032 | 4,312 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 8, 2021 | RGEN | Common Stock | 5,000 | Direct |
| March 8, 2021 | RGEN | Common Stock | 1,684 | Direct |
| March 8, 2021 | RGEN | Stock Option (Right to Buy) | 5,300 | Direct |
| March 8, 2021 | RGEN | Stock Option (Right to Buy) | 4,700 | Direct |
| March 8, 2021 | RGEN | Stock Option (Right to Buy) | 2,033 | 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 | $363,000 | · | · | · | $357,555 | · | $5,000 | $1,843,687 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.