Evert B. Schimmelpennink
CIK 1713795 · View on SEC EDGAR ↗
First SEC filing: April 4, 2024 · Latest: April 4, 2024
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Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 26, 2026 | CTNM | A | 19,000 | — | — | 19,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 20, 2025 | IBIO | A | 13,500 | — | — | 13,500 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2024 | IBIO | A | 18,900 | — | — | 18,900 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 9, 2021 | IBIO | A | 109,000 | — | — | 109,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 7, 2021 | IBIO | A | 100,000 | — | — | 100,000 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| June 26, 2026 | CTNM | Stock Option (right to buy) | Class A Common Stock (19,000) | $14.19 | June 25, 2036 | 19,000 | Acquired |
| Nov. 20, 2025 | IBIO | Stock Option (right to buy) [F1] | Common Stock (13,500) | $1.00 | Nov. 19, 2035 | 13,500 | Acquired |
| Nov. 21, 2024 | IBIO | Stock Option (right to buy) [F1] | Common Stock (18,900) | $2.45 | Nov. 20, 2034 | 18,900 | Acquired |
| Dec. 9, 2021 | IBIO | Stock Option (right to buy) [F1] | Common Stock (109,000) | $0.69 | Dec. 8, 2031 | 109,000 | Acquired |
| June 7, 2021 | IBIO | Stock Option | Common Stock (100,000) | $1.41 | June 6, 2031 | 100,000 | 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.