Stacy Markel
Insider
First SEC filing: Feb. 12, 2021 · Latest: Feb. 12, 2021
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-753,750
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 23, 2026 | NUVB | M | 34,620 | · | · | 220,190 Direct | -13.59% | Disposed | (price as of 2026-10-05) |
| June 23, 2026 | NUVB | M | 90,380 | · | · | 409,620 Direct | -18.08% | Disposed | (price as of 2026-10-05) |
| June 23, 2026 | NUVB | S 10b5-1 | 125,000 | $6.03 | $753,750 | 32,591 Direct | -79.32% | Disposed | -17.9% (price as of 2026-10-05) |
| June 23, 2026 | NUVB | M | 34,620 | $1.74 | $60,239 | 157,591 Direct | +28.15% | Acquired | 184.5% (price as of 2026-10-05) |
| June 23, 2026 | NUVB | M | 90,380 | $1.87 | $169,011 | 122,971 Direct | +277.32% | Acquired | 164.7% (price as of 2026-10-05) |
| Feb. 27, 2026 | NUVB | A | 748,130 | · | · | 748,130 Direct | · | Acquired | (price as of 2026-10-05) |
| June 18, 2025 | NUVB | P | 10,000 | $1.71 | $17,100 | 29,591 Direct | +51.04% | Acquired | 189.5% (price as of 2026-10-05) |
| Feb. 28, 2025 | NUVB | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 29, 2024 | NUVB | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2023 | NUVB | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 29, 2022 | NUVB | A | 450,000 | · | · | 450,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2022 | NUVB | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 10, 2021 | NUVB | A | 254,810 | · | · | 254,810 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 10, 2021 | NUVB | A | 398,935 | · | · | 398,935 Direct | · | Acquired | (price as of 2026-10-05) |
| March 20, 2019 | RIGL | A | 62,500 | · | · | 62,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2019 | RIGL | A | 137,500 | · | · | 137,500 Direct | · | Acquired | (price as of 2026-10-05) |
| March 21, 2018 | RIGL | A | 125,000 | · | · | 125,000 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 |
|---|---|---|---|---|---|---|---|
| June 23, 2026 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $1.74 | Jan. 21, 2030 | 34,620 | Disposed |
| June 23, 2026 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $1.87 | Feb. 27, 2034 | 90,380 | Disposed |
| Feb. 27, 2026 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $5.91 | Feb. 26, 2036 | 748,130 | Acquired |
| Feb. 28, 2025 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $1.97 | Feb. 27, 2035 | 500,000 | Acquired |
| Feb. 29, 2024 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $1.87 | Feb. 27, 2034 | 500,000 | Acquired |
| Feb. 28, 2023 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $1.94 | Feb. 27, 2033 | 500,000 | Acquired |
| Aug. 29, 2022 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $2.93 | Aug. 28, 2032 | 450,000 | Acquired |
| Feb. 28, 2022 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $5.06 | Feb. 27, 2032 | 500,000 | Acquired |
| Feb. 10, 2021 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $1.74 | Jan. 21, 2030 | 254,810 | Acquired |
| Feb. 10, 2021 | NUVB | Stock Option (Right to Buy) | Class A Common Stock | $4.60 | Oct. 4, 2030 | 398,935 | Acquired |
| March 20, 2019 | RIGL | Employee Stock Option (right to buy) | Common Stock | $3.94 | March 21, 2028 | 62,500 | Acquired |
| Jan. 23, 2019 | RIGL | Employee Stock Option (right to buy) | Common Stock | $2.00 | Jan. 23, 2029 | 137,500 | Acquired |
| March 21, 2018 | RIGL | Employee Stock Option (Right to Buy) | Common Stock | $3.94 | March 21, 2028 | 125,000 | 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 |
|---|---|---|---|---|
| Feb. 12, 2021 | NUVB | No securities owned. | 0 | Direct |