Yoon Jun
Officer · GPCR
As of 2026-09-16, Yoon Jun has 11 Form 4 transactions on record across 1 company — 3 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 $4.6M
- Indirect $0
| GPCR | direct | 128,892 sh | $4.6M |
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 |
|---|
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-19 | GPCR | Award / grant | 128,892 | 128,892 | Form 4 |
| 2026-03-19 | GPCR | Award / grant | 104,085 | 1,401,656 | Form 4 |
| 2026-03-03 | GPCR | Withheld for tax | 22,305 | 1,297,571 | Form 4 |
| 2025-07-01 | GPCR | Withheld for tax | 7,089 | 1,319,876 | Form 4 |
| 2025-07-01 | GPCR | Award / grant | 39,606 | 1,326,965 | Form 4 |
| 2025-05-21 | GPCR | Award / grant | 831 | 2,946 | Form 4 |
| 2025-03-15 | GPCR | Award / grant | 413,445 | 413,445 | Form 4 |
| 2025-03-15 | GPCR | Award / grant | 170,166 | 1,293,299 | Form 4 |
| 2025-03-01 | GPCR | Withheld for tax | 5,940 | 1,287,359 | Form 4 |
| 2024-11-20 | GPCR | Award / grant | 821 | 2,115 | Form 4 |
| 2024-05-20 | GPCR | Award / grant | 694 | 1,294 | 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.