Stephen Yoo
First SEC filing: Sept. 16, 2015 · Latest: Sept. 16, 2015
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 3, 2018 | RGNX | M 10b5-1 | 20,414 | $0.85 | $17,352 | 20,414 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Dec. 3, 2018 | RGNX | S 10b5-1 | 6,854 | $59.62 | $408,635 | 13,560 Direct | -33.57% | Disposed | -87.5% (price as of 2026-10-02) |
| Dec. 3, 2018 | RGNX | S 10b5-1 | 13,053 | $60.35 | $787,749 | 507 Direct | -96.26% | Disposed | -87.7% (price as of 2026-10-02) |
| Dec. 3, 2018 | RGNX | S 10b5-1 | 507 | $61.20 | $31,028 | 0 Direct | -100.00% | Disposed | -87.9% (price as of 2026-10-02) |
| Dec. 3, 2018 | RGNX | M 10b5-1 | 20,414 | · | · | 40,830 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | M 10b5-1 | 20,414 | $0.85 | $17,352 | 20,414 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | S 10b5-1 | 2,761 | $57.08 | $157,598 | 17,653 Direct | -13.53% | Disposed | -87.0% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | S 10b5-1 | 2,300 | $58.37 | $134,251 | 15,353 Direct | -13.03% | Disposed | -87.3% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | S 10b5-1 | 9,092 | $59.61 | $541,974 | 6,261 Direct | -59.22% | Disposed | -87.5% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | S 10b5-1 | 4,361 | $60.25 | $262,750 | 1,900 Direct | -69.65% | Disposed | -87.7% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | S 10b5-1 | 800 | $61.55 | $49,240 | 1,100 Direct | -42.11% | Disposed | -87.9% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | S 10b5-1 | 1,100 | $63.21 | $69,531 | 0 Direct | -100.00% | Disposed | -88.2% (price as of 2026-10-02) |
| Nov. 19, 2018 | RGNX | M 10b5-1 | 20,414 | · | · | 61,244 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | M 10b5-1 | 20,414 | $0.85 | $17,352 | 20,414 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | S 10b5-1 | 3,413 | $66.26 | $226,145 | 17,001 Direct | -16.72% | Disposed | -88.8% (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | S 10b5-1 | 4,820 | $67.14 | $323,615 | 12,181 Direct | -28.35% | Disposed | -88.9% (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | S 10b5-1 | 3,700 | $68.22 | $252,414 | 8,481 Direct | -30.38% | Disposed | -89.1% (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | S 10b5-1 | 3,854 | $69.54 | $268,007 | 4,627 Direct | -45.44% | Disposed | -89.3% (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | S 10b5-1 | 4,627 | $69.97 | $323,751 | 0 Direct | -100.00% | Disposed | -89.4% (price as of 2026-10-02) |
| Nov. 5, 2018 | RGNX | M 10b5-1 | 20,414 | · | · | 81,658 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | M 10b5-1 | 20,414 | $0.85 | $17,352 | 20,414 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | S 10b5-1 | 3,042 | $59.83 | $182,003 | 17,372 Direct | -14.90% | Disposed | -87.6% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | S 10b5-1 | 1,700 | $60.66 | $103,122 | 15,672 Direct | -9.79% | Disposed | -87.8% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | S 10b5-1 | 2,100 | $61.82 | $129,822 | 13,572 Direct | -13.40% | Disposed | -88.0% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | S 10b5-1 | 8,026 | $62.93 | $505,076 | 5,546 Direct | -59.14% | Disposed | -88.2% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | S 10b5-1 | 5,446 | $63.67 | $346,747 | 100 Direct | -98.20% | Disposed | -88.3% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | S 10b5-1 | 100 | $64.42 | $6,442 | 0 Direct | -100.00% | Disposed | -88.5% (price as of 2026-10-02) |
| Oct. 29, 2018 | RGNX | M 10b5-1 | 20,414 | · | · | 102,072 Direct | -16.67% | Disposed | (price as of 2026-10-02) |
| Oct. 16, 2018 | RGNX | M 10b5-1 | 10,414 | $0.85 | $8,852 | 10,414 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Oct. 16, 2018 | RGNX | S 10b5-1 | 10,414 | $61.18 | $637,129 | 0 Direct | -100.00% | Disposed | -87.9% (price as of 2026-10-02) |
| Oct. 16, 2018 | RGNX | M 10b5-1 | 10,414 | · | · | 122,486 Direct | -7.84% | Disposed | (price as of 2026-10-02) |
| Oct. 15, 2018 | RGNX | M 10b5-1 | 10,000 | $0.85 | $8,500 | 10,000 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Oct. 15, 2018 | RGNX | S 10b5-1 | 2,900 | $58.83 | $170,607 | 7,100 Direct | -29.00% | Disposed | -87.4% (price as of 2026-10-02) |
| Oct. 15, 2018 | RGNX | S 10b5-1 | 7,000 | $59.54 | $416,780 | 100 Direct | -98.59% | Disposed | -87.5% (price as of 2026-10-02) |
| Oct. 15, 2018 | RGNX | S 10b5-1 | 100 | $60.25 | $6,025 | 0 Direct | -100.00% | Disposed | -87.7% (price as of 2026-10-02) |
| Oct. 15, 2018 | RGNX | M 10b5-1 | 10,000 | · | · | 132,900 Direct | -7.00% | Disposed | (price as of 2026-10-02) |
| Jan. 3, 2018 | RGNX | A | 55,000 | · | · | 55,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 8, 2017 | RGNX | M 10b5-1 | 27,342 | $0.85 | $23,241 | 27,342 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Sept. 8, 2017 | RGNX | S 10b5-1 | 27,342 | $25.00 | $683,550 | 0 Direct | -100.00% | Disposed | -70.3% (price as of 2026-10-02) |
| Sept. 8, 2017 | RGNX | M 10b5-1 | 27,342 | · | · | 142,900 Direct | -16.06% | Disposed | (price as of 2026-10-02) |
| Sept. 6, 2017 | RGNX | M 10b5-1 | 855 | $0.85 | $727 | 855 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Sept. 6, 2017 | RGNX | S 10b5-1 | 855 | $25.00 | $21,375 | 0 Direct | -100.00% | Disposed | -70.3% (price as of 2026-10-02) |
| Sept. 6, 2017 | RGNX | M 10b5-1 | 855 | · | · | 170,242 Direct | -0.50% | Disposed | (price as of 2026-10-02) |
| Sept. 5, 2017 | RGNX | M 10b5-1 | 31,803 | $0.85 | $27,033 | 31,803 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Sept. 5, 2017 | RGNX | S 10b5-1 | 31,803 | $25.00 | $795,075 | 0 Direct | -100.00% | Disposed | -70.3% (price as of 2026-10-02) |
| Sept. 5, 2017 | RGNX | M 10b5-1 | 31,803 | · | · | 171,097 Direct | -15.67% | Disposed | (price as of 2026-10-02) |
| Aug. 21, 2017 | RGNX | M 10b5-1 | 15,000 | $0.85 | $12,750 | 15,000 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| Aug. 21, 2017 | RGNX | S 10b5-1 | 15,000 | $20.03 | $300,450 | 0 Direct | -100.00% | Disposed | -62.9% (price as of 2026-10-02) |
| Aug. 21, 2017 | RGNX | M 10b5-1 | 15,000 | · | · | 202,900 Direct | -6.88% | Disposed | (price as of 2026-10-02) |
| July 20, 2017 | RGNX | M 10b5-1 | 15,000 | $0.85 | $12,750 | 15,000 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| July 20, 2017 | RGNX | S 10b5-1 | 15,000 | $18.66 | $279,900 | 0 Direct | -100.00% | Disposed | -60.2% (price as of 2026-10-02) |
| July 20, 2017 | RGNX | M 10b5-1 | 15,000 | · | · | 217,900 Direct | -6.44% | Disposed | (price as of 2026-10-02) |
| June 20, 2017 | RGNX | M 10b5-1 | 15,000 | $0.85 | $12,750 | 15,000 Direct | · | Acquired | 774.1% (price as of 2026-10-02) |
| June 20, 2017 | RGNX | S 10b5-1 | 13,100 | $19.61 | $256,891 | 1,900 Direct | -87.33% | Disposed | -62.1% (price as of 2026-10-02) |
| June 20, 2017 | RGNX | S 10b5-1 | 1,900 | $20.14 | $38,266 | 0 Direct | -100.00% | Disposed | -63.1% (price as of 2026-10-02) |
| June 20, 2017 | RGNX | M 10b5-1 | 15,000 | · | · | 232,900 Direct | -6.05% | Disposed | (price as of 2026-10-02) |
| Jan. 4, 2017 | RGNX | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2016 | RGNX | A | 70,000 | · | · | 70,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 3, 2018 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 20,414 | Disposed |
| Nov. 19, 2018 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 20,414 | Disposed |
| Nov. 5, 2018 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 20,414 | Disposed |
| Oct. 29, 2018 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 20,414 | Disposed |
| Oct. 16, 2018 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 10,414 | Disposed |
| Oct. 15, 2018 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 10,000 | Disposed |
| Jan. 3, 2018 | RGNX | Stock Option (Right to Buy) | Common Stock | $35.80 | Jan. 3, 2028 | 55,000 | Acquired |
| Sept. 8, 2017 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 27,342 | Disposed |
| Sept. 6, 2017 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 855 | Disposed |
| Sept. 5, 2017 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 31,803 | Disposed |
| Aug. 21, 2017 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 15,000 | Disposed |
| July 20, 2017 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 15,000 | Disposed |
| June 20, 2017 | RGNX | Employee Stock Option (Right to Buy) | Common Stock | $0.85 | Nov. 3, 2024 | 15,000 | Disposed |
| Jan. 4, 2017 | RGNX | Stock Option (Right to Buy) | Common Stock | $19.50 | Jan. 3, 2027 | 40,000 | Acquired |
| Jan. 28, 2016 | RGNX | Stock Option (Right to Buy) | Common Stock | $13.09 | Jan. 27, 2026 | 70,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 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 |
|---|---|---|---|---|---|---|---|---|
| 2015 | $340,000 | $130,900 | · | · | · | · | · | $627,670 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.