Olson Tiffany
Director · MDXG, CSTL
As of 2026-09-16, Olson Tiffany has 10 Form 4 transactions on record across 2 companies — 5 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
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 |
|---|
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-10 | MDXG | Award / grant | 50,913 | 108,510 | Form 4 |
| 2026-05-28 | CSTL | Award / grant | 11,766 | 11,766 | Form 4 |
| 2026-05-22 | CSTL | Option exercise | 13,667 | 0 | Form 4 |
| 2026-05-22 | CSTL | Option exercise | 13,667 | 39,573 | Form 4 |
| 2026-05-22 | CSTL | Option exercise | 13,667 | 39,573 | Form 4 |
| 2025-06-18 | MDXG | Award / grant | 28,609 | 57,597 | Form 4 |
| 2025-05-22 | CSTL | Award / grant | 13,667 | 13,667 | Form 4 |
| 2025-05-21 | CSTL | Option exercise | 8,673 | 0 | Form 4 |
| 2025-05-21 | CSTL | Option exercise | 8,673 | 25,906 | Form 4 |
| 2025-05-21 | CSTL | Option exercise | 8,673 | 25,906 | 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.