Glenn Chang
Insider
First SEC filing: Aug. 12, 2008 · Latest: Aug. 12, 2008
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 9, 2021 | IBIO | A | 109,000 | · | · | 109,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2019 | IBIO | A | 50,000 | $0.90 | $45,000 | 86,750 Direct | +136.05% | Acquired | -99.8% (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 6,000 | · | · | 36,750 Direct | -14.04% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 4,500 | · | · | 36,750 Direct | +13.95% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 3,000 | · | · | 36,750 Direct | -7.55% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 2,250 | · | · | 36,750 Direct | +6.52% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 6,000 | · | · | 36,750 Direct | -14.04% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 4,500 | · | · | 36,750 Direct | +13.95% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 6,000 | · | · | 36,570 Direct | -14.09% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 4,500 | · | · | 36,750 Direct | +13.95% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 6,000 | · | · | 36,750 Direct | -14.04% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 4,500 | · | · | 36,750 Direct | +13.95% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 6,000 | · | · | 36,750 Direct | -14.04% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 4,500 | · | · | 36,750 Direct | +13.95% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 10,000 | · | · | 36,750 Direct | -21.39% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 7,500 | · | · | 36,750 Direct | +25.64% | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | D | 6,000 | · | · | 36,750 Direct | -14.04% | Disposed | (price as of 2026-10-05) |
| Feb. 20, 2019 | IBIO | A | 4,500 | · | · | 36,750 Direct | +13.95% | Acquired | (price as of 2026-10-05) |
| May 1, 2017 | IBIO | A | 60,000 | $0.40 | $24,000 | 550,000 Direct | +12.24% | Acquired | -99.9% (price as of 2026-10-05) |
| Sept. 4, 2015 | IBIO | A | 100,000 | $1.72 | $172,000 | 490,000 Direct | +25.64% | Acquired | -100.0% (price as of 2026-10-05) |
| Sept. 5, 2014 | IBIO | A | 60,000 | $0.49 | $29,400 | 390,000 Direct | +18.18% | Acquired | -100.0% (price as of 2026-10-05) |
| July 15, 2013 | IBIO | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| July 24, 2012 | IBIO | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 21, 2011 | IBIO | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 16, 2010 | IBIO | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2009 | IBIO | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 13, 2009 | IBIO | A | 60,000 | · | · | 60,000 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 |
|---|---|---|---|---|---|---|---|
| Dec. 9, 2021 | IBIO | Stock Option (right to buy) [F1] | Common Stock | $0.69 | Dec. 8, 2031 | 109,000 | Acquired |
| April 1, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.90 | April 1, 2029 | 50,000 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $6.60 | Aug. 10, 2019 | 6,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 4,500 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $17.30 | Aug. 16, 2020 | 3,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 2,250 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $19.60 | Oct. 21, 2021 | 6,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 4,500 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $11.00 | July 24, 2022 | 6,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 4,500 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $5.00 | July 16, 2023 | 6,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 4,500 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $4.90 | Sept. 5, 2024 | 6,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 4,500 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $17.20 | Sept. 4, 2025 | 10,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 7,500 | Acquired |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $4.00 | May 1, 2027 | 6,000 | Disposed |
| Feb. 20, 2019 | IBIO | Stock Option (right to buy) | Common Stock | $0.93 | Feb. 20, 2024 | 4,500 | Acquired |
| May 1, 2017 | IBIO | Stock Option (right to buy) | Common Stock | $0.40 | May 1, 2027 | 60,000 | Acquired |
| Sept. 4, 2015 | IBIO | Stock Option (right to buy) | Common Stock | $1.72 | Sept. 4, 2025 | 100,000 | Acquired |
| Sept. 5, 2014 | IBIO | Stock Option (right to buy) | Common Stock | $0.49 | Sept. 5, 2024 | 60,000 | Acquired |
| July 15, 2013 | IBIO | Stock Option (right to buy) | Common Stock | $0.52 | July 15, 2023 | 60,000 | Acquired |
| July 24, 2012 | IBIO | Stock Option (right to buy) | Common Stock | $1.10 | July 24, 2022 | 60,000 | Acquired |
| Oct. 21, 2011 | IBIO | Stock Option (right to buy) | Common Stock | $1.96 | Oct. 21, 2021 | 60,000 | Acquired |
| Aug. 16, 2010 | IBIO | Stock Option (right to buy) | Common Stock | $1.73 | Aug. 16, 2020 | 30,000 | Acquired |
| Aug. 10, 2009 | IBIO | Stock Option (right to buy) | Common Stock | $0.66 | Aug. 10, 2019 | 60,000 | Acquired |
| Feb. 13, 2009 | IBIO | Stock Option (right to buy) | Common Stock | $0.20 | Feb. 13, 2019 | 60,000 | 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 |
|---|---|---|---|---|
| Aug. 12, 2008 | IBIO | Common Stock | 12,150 | Direct |