Glenn Chang
CIK 1384967 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 12, 2008 · Latest: Aug. 12, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
last 12 months, based on the transactions shown below
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 2026-08-20) |
| July 15, 2013 | IBIO | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
| July 24, 2012 | IBIO | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 21, 2011 | IBIO | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Aug. 16, 2010 | IBIO | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Aug. 10, 2009 | IBIO | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 13, 2009 | IBIO | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
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 (109,000) | $0.69 | Dec. 8, 2031 | 109,000 | Acquired |
| July 15, 2013 | IBIO | Stock Option (right to buy) | Common Stock (60,000) | $0.52 | July 15, 2023 | 60,000 | Acquired |
| July 24, 2012 | IBIO | Stock Option (right to buy) | Common Stock (60,000) | $1.10 | July 24, 2022 | 60,000 | Acquired |
| Oct. 21, 2011 | IBIO | Stock Option (right to buy) | Common Stock (60,000) | $1.96 | Oct. 21, 2021 | 60,000 | Acquired |
| Aug. 16, 2010 | IBIO | Stock Option (right to buy) | Common Stock (30,000) | $1.73 | Aug. 16, 2020 | 30,000 | Acquired |
| Aug. 10, 2009 | IBIO | Stock Option (right to buy) | Common Stock (60,000) | $0.66 | Aug. 10, 2019 | 60,000 | Acquired |
| Feb. 13, 2009 | IBIO | Stock Option (right to buy) | Common Stock (60,000) | $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 |