Simon Barry J.
Director · IBRX
As of 2026-09-27, Simon Barry J. has 18 Form 4 transactions on record across 1 company — 10 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $23.7M
- Indirect $0
| IBRX | direct | 2,802,788 sh | $23.7M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-24 | IBRX | Sale | 25,000 @ $7.88 | $197K | −0.9% of holding | 2,802,788 | Form 4 |
| 2026-06-04 | IBRX | Sale | 23,033 @ $7.18 | $165K | −0.8% of holding | 2,827,788 | Form 4 |
| 2026-02-24 | IBRX | Sale | 75,000 @ $12.01 | $901K | −2.6% of holding | 2,850,821 | Form 4 |
| 2026-02-23 | IBRX | Sale | 165,000 @ $10.25 | $1.7M | −5.3% of holding | 2,925,821 | Form 4 |
| 2026-02-20 | IBRX | Sale | 10,000 @ $9.25 | $93K | −0.3% of holding | 3,081,604 | Form 4 |
| 2026-01-20 | IBRX | Sale | 75,000 @ $7.88 | $591K | −2.4% of holding | 3,091,604 | Form 4 |
| 2026-01-20 | IBRX | Sale | 76,967 @ $6.54 | $503K | −2.4% of holding | 3,166,604 | Form 4 |
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-02-22 | IBRX | Withheld for tax | 6,026 | 3,090,821 | Form 4 |
| 2026-02-22 | IBRX | Option exercise | 15,243 | 3,096,847 | Form 4 |
| 2026-02-22 | IBRX | Option exercise | 15,243 | 15,245 | Form 4 |
| 2025-02-22 | IBRX | Withheld for tax | 5,453 | 3,243,571 | Form 4 |
| 2025-02-22 | IBRX | Option exercise | 15,243 | 30,488 | Form 4 |
| 2025-02-22 | IBRX | Option exercise | 15,243 | 3,249,024 | Form 4 |
| 2025-01-22 | IBRX | Option exercise | 110,020 | 3,233,781 | Form 4 |
| 2025-01-22 | IBRX | Option exercise | 110,020 | 0 | Form 4 |
| 2024-06-20 | — | Award / grant | 50,000 | 50,000 | Form 4 |
| 2024-02-22 | IBRX | Award / grant | 159,146 | 159,146 | Form 4 |
| 2024-02-22 | IBRX | Award / grant | 45,731 | 45,731 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.