John Niederhuber
CIK 1501240 · View on SEC EDGAR ↗
First SEC filing: July 19, 2024 · Latest: July 19, 2024
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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 |
|---|---|---|---|---|---|---|---|---|---|
| June 14, 2019 | APVO | P | 714 | $0.91 | $650 | 1,516 Direct | +89.03% | Acquired | -100.0% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | APVO | Restricted Stock Unit | Common Stock (400) | — | — | 400 | Disposed |
| Aug. 6, 2025 | APVO | Restricted Stock Unit | Common Stock (7,200) | — | — | 7,200 | Acquired |
| July 17, 2025 | APVO | Restricted Stock Unit | Common Stock (1) | — | — | 1 | Disposed |
| July 17, 2024 | APVO | Restricted Stock Unit | Common Stock (925) | — | — | 925 | Acquired |
| June 2, 2024 | APVO | Restricted Stock Unit | Common Stock (81) | — | — | 81 | Disposed |
| June 1, 2024 | APVO | Restricted Stock Unit | Common Stock (7) | — | — | 7 | Disposed |
| Aug. 9, 2023 | APVO | Restricted Stock Unit | Common Stock (3,571) | — | — | 3,571 | Disposed |
| June 2, 2023 | APVO | Restricted Stock Unit | Common Stock (3,571) | — | — | 3,571 | Acquired |
| June 1, 2023 | APVO | Restricted Stock Unit | Common Stock (297) | — | — | 297 | Disposed |
| Aug. 9, 2022 | APVO | Restricted Stock Unit | Common Stock (3,571) | — | — | 3,571 | Acquired |
| June 1, 2022 | APVO | Restricted Stock Unit | Common Stock (298) | — | — | 298 | Disposed |
| June 1, 2021 | APVO | Restricted Stock Unit | Common Stock (893) | — | — | 893 | Acquired |
| June 1, 2021 | APVO | Stock Option (right to buy) | Common Stock (2,678) | $26.15 | June 1, 2031 | 2,678 | Acquired |
| July 27, 2020 | APVO | Stock Option (right to buy) | Common Stock | — | June 1, 2028 | 1,785 | Disposed |
| July 27, 2020 | APVO | Stock Option (right to buy) | Common Stock (170) | $8.56 | July 26, 2030 | 170 | Acquired |
| July 27, 2020 | APVO | Stock Option (right to buy) | Common Stock (1,322) | $8.56 | July 26, 2030 | 1,322 | Acquired |
| July 27, 2020 | APVO | Stock Option (right to buy) | Common Stock | — | June 1, 2027 | 892 | Disposed |
| July 27, 2020 | APVO | Stock Option (right to buy) | Common Stock | — | Aug. 3, 2026 | 1,339 | Disposed |
| July 2, 2020 | APVO | Stock Option (right to buy) | Common Stock (3,571) | $9.18 | July 2, 2030 | 3,571 | Acquired |
| June 1, 2018 | APVO | Stock Option (right to buy) | Common Stock (25,000) | $5.49 | May 31, 2028 | 25,000 | Acquired |
| June 1, 2017 | APVO | Employee Stock Option (right to buy) | Common Stock (12,500) | $2.15 | May 31, 2027 | 12,500 | Acquired |
| Aug. 3, 2016 | APVO | Stock Option (right to buy) | Common Stock (18,750) | $2.94 | Aug. 3, 2026 | 18,750 | Acquired |
| May 22, 2014 | EBS | Director Stock Option (right to buy) | Common Stock (9,400) | $20.44 | May 21, 2021 | 9,400 | Acquired |
| May 23, 2013 | EBS | Director stock option (right to buy) | Common Stock (7,200) | $14.25 | May 22, 2020 | 7,200 | Acquired |
| May 17, 2012 | EBS | Director Stock Option (Right to buy) | Common Stock (7,200) | $14.66 | May 16, 2019 | 7,200 | Acquired |
| May 19, 2011 | EBS | Director Stock Option (right to buy) | Common Stock (7,200) | $22.02 | May 18, 2021 | 7,200 | Acquired |
| Aug. 23, 2010 | EBS | Director Stock Option (right to buy) | Common Stock (10,800) | $17.56 | Aug. 22, 2020 | 10,800 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).