Tiffany Olson

CIK: 0001442172

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (33.3%)

Derivative conversions

Awards (A)4 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

MDXG

MIMEDX GROUP, INC.

Director

CSTL

CASTLE BIOSCIENCES INC

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

MDXG
MIMEDX GROUP, INC.
Jun 10, 2026
Award(A)
Direct
50.9K shares at avg. $3.64$185K
CSTL
CASTLE BIOSCIENCES INC
May 28, 2026
Award(A)
Restricted Stock Units
Direct
11.8K shares-
CSTL
CASTLE BIOSCIENCES INC
May 22, 2026
Exercise(M)
Direct
13.7K shares-
MDXG
MIMEDX GROUP, INC.
Jun 18, 2025
Award(A)
Direct
28.6K shares at avg. $6.47$185K
CSTL
CASTLE BIOSCIENCES INC
May 22, 2025
Award(A)
Restricted Stock Units
Direct
13.7K shares-
CSTL
CASTLE BIOSCIENCES INC
May 21, 2025
Exercise(M)
Direct
8.7K shares-

		Type	Shares	Price		Ownership
Jun 10, 2026	MDXG MIMEDX GROUP, INC.	Award(A)	50,913	$3.64	$185,323	Direct
May 28, 2026	CSTL CASTLE BIOSCIENCES INC	Award(A) Restricted Stock Units	11,766	-	-	Direct
May 22, 2026	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	13,667	-	$0	Direct
Jun 18, 2025	MDXG MIMEDX GROUP, INC.	Award(A)	28,609	$6.47	$185,100	Direct
May 22, 2025	CSTL CASTLE BIOSCIENCES INC	Award(A) Restricted Stock Units	13,667	-	-	Direct
May 21, 2025	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	8,673	-	-	Direct

1-6 of 6 transactions

About Olson Tiffany

Olson Tiffany (SEC CIK 0001442172) files insider reports with the SEC as Director of MIMEDX GROUP, INC. (MDXG) and Director of CASTLE BIOSCIENCES INC (CSTL).

Signal8 holds 5 ownership filings by Olson Tiffany, all Form 4s, filed between May 23, 2025 and Jun 12, 2026. Those filings report 6 transactions, from May 21, 2025 to Jun 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Olson Tiffany's filings is in FRIENDSWOOD, TX.

Recent filings by Olson Tiffany

Jun 10, 2026: Grant or award of MDXG shares (Form 4, code A).
May 28, 2026: Grant or award of CSTL derivative securities (Form 4, code A).
May 22, 2026: Option exercise of CSTL shares (Form 4, code M).
Jun 18, 2025: Grant or award of MDXG shares (Form 4, code A).
May 22, 2025: Grant or award of CSTL derivative securities (Form 4, code A).

Other insiders filing for MIMEDX GROUP, INC. (MDXG)

DOUG RICE, Chief Financial Officer
Maersk-Moller Kimberly, Chief Commercial Officer
BIERMAN JAMES L, Director
PUHY DOROTHY E, Director
Newton Todd, Director
HAWKINS WILLIAM A, Director

How to read Form 4 transaction codes