Mark Worthington

CIK: 0001861464

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (27.8%)

Position reduction

Option Exercises (M)4 (22.2%)

Derivative conversions

Awards (A)9 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

LONA

LeonaBio, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

LONA
LeonaBio, Inc.
Apr 9, 2026
Award(A)
Stock Option (Right to Buy)
Direct
300K shares-
LONA
LeonaBio, Inc.
Mar 4, 2026
Sale(S)
Direct
1.3K shares at avg. $5.37$7K
LONA
LeonaBio, Inc.
Mar 3, 2026
Exercise(M)
Direct
5.7K shares-
ATHA
Athira Pharma, Inc.
Jan 2, 2026
Sale(S)
Direct
876 shares at avg. $6.88$6K
ATHA
Athira Pharma, Inc.
Dec 31, 2025
Exercise(M)
Direct
3.7K shares-
ATHA
Athira Pharma, Inc.
Dec 24, 2025
Award(A)
Stock Option (Right to Buy)
Direct
34.4K shares-
ATHA
Athira Pharma, Inc.
Jul 1, 2025
Sale(S)
Direct
8.5K shares at avg. $0.29$3K
ATHA
Athira Pharma, Inc.
Jun 30, 2025
Exercise(M)
Direct
36.7K shares-
ATHA
Athira Pharma, Inc.
Mar 3, 2025
Award(A)
Restricted Stock Units
Direct
57.3K shares-
ATHA
Athira Pharma, Inc.
Mar 3, 2025
Award(A)
Stock Option (Right to Buy)
Direct
85.9K shares-
ATHA
Athira Pharma, Inc.
Jan 2, 2025
Sale(S)
Direct
8.5K shares at avg. $0.56$5K
ATHA
Athira Pharma, Inc.
Dec 31, 2024
Exercise(M)
Direct
36.7K shares-
ATHA
Athira Pharma, Inc.
Nov 18, 2024
Award(A)
Direct
3.7K shares at avg. $0.55$2K
ATHA
Athira Pharma, Inc.
Oct 1, 2024
Award(A)
Stock Option (Right to Buy)
Direct
110K shares-
ATHA
Athira Pharma, Inc.
Oct 1, 2024
Award(A)
Restricted Stock Units
Direct
110K shares-
ATHA
Athira Pharma, Inc.
Sep 5, 2024
Sale(S)
Direct
2.5K shares at avg. $0.57$1K
ATHA
Athira Pharma, Inc.
Sep 3, 2024
Award(A)
Direct
10K shares-
ATHA
Athira Pharma, Inc.
May 20, 2024
Award(A)
Direct
10K shares at avg. $1.34$13K

		Type	Shares	Price		Ownership
Apr 9, 2026	LONA LeonaBio, Inc.	Award(A) Stock Option (Right to Buy)	300,000	-	-	Direct
Mar 4, 2026	LONA LeonaBio, Inc.	Sale(S)	1,328	$5.37	$7,131	Direct
Mar 3, 2026	LONA LeonaBio, Inc.	Exercise(M)	5,726	-	$0	Direct
Jan 2, 2026	ATHA Athira Pharma, Inc.	Sale(S)	876	$6.88	$6,027	Direct
Dec 31, 2025	ATHA Athira Pharma, Inc.	Exercise(M)	3,667	-	$0	Direct
Dec 24, 2025	ATHA Athira Pharma, Inc.	Award(A) Stock Option (Right to Buy)	34,358	-	-	Direct
Jul 1, 2025	ATHA Athira Pharma, Inc.	Sale(S)	8,526	$0.29	$2,502	Direct
Jun 30, 2025	ATHA Athira Pharma, Inc.	Exercise(M)	36,666	-	-	Direct
Mar 3, 2025	ATHA Athira Pharma, Inc.	Award(A) Restricted Stock Units	57,263	-	-	Direct
Mar 3, 2025	ATHA Athira Pharma, Inc.	Award(A) Stock Option (Right to Buy)	85,895	-	-	Direct
Jan 2, 2025	ATHA Athira Pharma, Inc.	Sale(S)	8,510	$0.56	$4,782	Direct
Dec 31, 2024	ATHA Athira Pharma, Inc.	Exercise(M)	36,667	-	$0	Direct
Nov 18, 2024	ATHA Athira Pharma, Inc.	Award(A)	3,651	$0.55	$2,008	Direct
Oct 1, 2024	ATHA Athira Pharma, Inc.	Award(A) Stock Option (Right to Buy)	110,000	-	-	Direct
Oct 1, 2024	ATHA Athira Pharma, Inc.	Award(A) Restricted Stock Units	110,000	-	-	Direct
Sep 5, 2024	ATHA Athira Pharma, Inc.	Sale(S)	2,525	$0.57	$1,429	Direct
Sep 3, 2024	ATHA Athira Pharma, Inc.	Award(A)	10,000	-	$0	Direct
May 20, 2024	ATHA Athira Pharma, Inc.	Award(A)	10,000	$1.34	$13,400	Direct

1-18 of 18 transactions

About Worthington Mark

Worthington Mark (SEC CIK 0001861464) files insider reports with the SEC as GENERAL COUNSEL and CCO of LeonaBio, Inc. (LONA).

Signal8 holds 9 ownership filings by Worthington Mark, all Form 4s, filed between Sep 5, 2024 and Apr 13, 2026. Those filings report 18 transactions, from May 20, 2024 to Apr 9, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Worthington Mark's filings is in BOTHELL, WA.

Recent filings by Worthington Mark

Apr 9, 2026: Grant or award of LONA derivative securities (Form 4, code A).
Mar 4, 2026: Open-market sale of LONA shares (Form 4, code S).
Mar 3, 2026: Option exercise of LONA shares (Form 4, code M).
Jan 2, 2026: Open-market sale of ATHA shares (Form 4, code S).
Dec 31, 2025: Option exercise of ATHA shares (Form 4, code M).

Other insiders filing for LeonaBio, Inc. (LONA)

How to read Form 4 transaction codes