Olson Tiffany — SEC Form 4 filings
SEC reporting owner CIK 1442172. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-12.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-05-14 to 2026-06-12. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 18.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| CASTLE BIOSCIENCES INC (CSTL) | Director | 7 | — | — | 15 |
| MIMEDX GROUP, INC. (MDXG) | Director | 3 | — | — | 3 |
Form 4 filings — Olson Tiffany
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-12 | 4 | MIMEDX GROUP, INC. (MDXG) | Grant/award (A): 50,913 @ $3.64 | EDGAR |
| 2026-06-01 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Grant/award (A): 11,766 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 13,667 · Option exercise (M): 13,667 (derivative) @ $0 | EDGAR |
| 2025-06-23 | 4 | MIMEDX GROUP, INC. (MDXG) | Grant/award (A): 28,609 @ $6.47 | EDGAR |
| 2025-05-23 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 8,673 · Option exercise (M): 8,673 (derivative) @ $0 · Grant/award (A): 13,667 (derivative) @ $0 | EDGAR |
| 2024-07-03 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 830 · Grant/award (A): 830 (derivative) @ $0 · Option exercise (M): 830 (derivative) @ $0 · Grant/award (A): 3,379 (derivative) @ $0 | EDGAR |
| 2024-06-06 | 4 | MIMEDX GROUP, INC. (MDXG) | Grant/award (A): 28,988 @ $7.26 | EDGAR |
| 2024-05-29 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 8,636 · Option exercise (M): 8,636 (derivative) @ $0 | EDGAR |
| 2024-05-28 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Grant/award (A): 8,673 (derivative) @ $0 | EDGAR |
| 2024-05-14 | 4 | CASTLE BIOSCIENCES INC (CSTL) | Option exercise (M): 487 · Option exercise (M): 487 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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