Allene M. Diaz

CIK: 0001773314

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (22.7%)

Position reduction

Option Exercises (M)5 (22.7%)

Derivative conversions

Awards (A)5 (22.7%)

Compensation grants

Other (G, F, J, C, D, …)7 (31.8%)

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

Companies & Roles (2)

IONS

IONIS PHARMACEUTICALS INC

Director

MRSN

Mersana Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (22 total)

IONS
IONIS PHARMACEUTICALS INC
Jul 7, 2026
Exercise(M)
Direct
10.1K shares at avg. $47.11$476K
IONS
IONIS PHARMACEUTICALS INC
Jul 7, 2026
Sale(S)
Direct
10.1K shares at avg. $85.42$864K
IONS
IONIS PHARMACEUTICALS INC
Jul 1, 2026
Award(A)
Non-Qualified Stock Option (right to buy)
Direct
5.4K shares-
IONS
IONIS PHARMACEUTICALS INC
Jul 1, 2026
Award(A)
Restricted Stock Unit
Direct
2.3K shares-
IONS
IONIS PHARMACEUTICALS INC
Mar 3, 2026
Sale(S)
Direct
14.6K shares at avg. $79.88$1.2M
IONS
IONIS PHARMACEUTICALS INC
Mar 3, 2026
Sale(S)
Direct
1K shares at avg. $80.80$81K
IONS
IONIS PHARMACEUTICALS INC
Mar 3, 2026
Sale(S)
Direct
39.3K shares at avg. $79.11$3.1M
IONS
IONIS PHARMACEUTICALS INC
Mar 3, 2026
Exercise(M)
Direct
12K shares at avg. $38.06$457K
IONS
IONIS PHARMACEUTICALS INC
Mar 3, 2026
Exercise(M)
Direct
18K shares at avg. $40.05$721K
IONS
IONIS PHARMACEUTICALS INC
Mar 3, 2026
Exercise(M)
Direct
10.3K shares at avg. $41.08$424K
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Disposition(D)
Stock Option (right to buy)
Direct
1.8K shares-
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Disposition(D)
Stock Option (right to buy)
Direct
2.2K shares-
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Tender Offer(U)
Direct
578 shares-
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Disposition(D)
Stock Option (right to buy)
Direct
416 shares-
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Disposition(D)
Stock Option (right to buy)
Direct
734 shares-
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Disposition(D)
Stock Option (right to buy)
Direct
2.5K shares-
MRSN
Mersana Therapeutics, Inc.
Jan 6, 2026
Disposition(D)
Stock Option (right to buy)
Direct
1.6K shares-
IONS
IONIS PHARMACEUTICALS INC
Aug 22, 2025
Sale(S)
Direct
1.4K shares at avg. $42.53$61K
IONS
IONIS PHARMACEUTICALS INC
Jul 15, 2025
Exercise(M)
Direct
4.1K shares-
IONS
IONIS PHARMACEUTICALS INC
Jul 1, 2025
Award(A)
Non-Qualified Stock Option (right to buy)
Direct
11.5K shares-
IONS
IONIS PHARMACEUTICALS INC
Jul 1, 2025
Award(A)
Restricted Stock Unit
Direct
5.2K shares-
MRSN
Mersana Therapeutics, Inc.
Jun 12, 2025
Award(A)
Stock Option (right to buy)
Direct
61.5K shares-

		Type	Shares	Price		Ownership
Jul 7, 2026	IONS IONIS PHARMACEUTICALS INC	Exercise(M)	10,111	$47.11	$476,329	Direct
Jul 7, 2026	IONS IONIS PHARMACEUTICALS INC	Sale(S)	10,111	$85.42	$863,637	Direct
Jul 1, 2026	IONS IONIS PHARMACEUTICALS INC	Award(A) Non-Qualified Stock Option (right to buy)	5,369	-	-	Direct
Jul 1, 2026	IONS IONIS PHARMACEUTICALS INC	Award(A) Restricted Stock Unit	2,301	-	-	Direct
Mar 3, 2026	IONS IONIS PHARMACEUTICALS INC	Sale(S)	14,608	$79.88	$1,166,814	Direct
Mar 3, 2026	IONS IONIS PHARMACEUTICALS INC	Sale(S)	1,005	$80.80	$81,203	Direct
Mar 3, 2026	IONS IONIS PHARMACEUTICALS INC	Sale(S)	39,265	$79.11	$3,106,411	Direct
Mar 3, 2026	IONS IONIS PHARMACEUTICALS INC	Exercise(M)	12,000	$38.06	$456,720	Direct
Mar 3, 2026	IONS IONIS PHARMACEUTICALS INC	Exercise(M)	18,000	$40.05	$720,900	Direct
Mar 3, 2026	IONS IONIS PHARMACEUTICALS INC	Exercise(M)	10,321	$41.08	$423,987	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	1,800	-	-	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	2,200	-	-	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Tender Offer(U)	578	-	$0	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	416	-	-	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	734	-	-	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	2,460	-	-	Direct
Jan 6, 2026	MRSN Mersana Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	1,571	-	-	Direct
Aug 22, 2025	IONS IONIS PHARMACEUTICALS INC	Sale(S)	1,427	$42.53	$60,687	Direct
Jul 15, 2025	IONS IONIS PHARMACEUTICALS INC	Exercise(M)	4,079	-	-	Direct
Jul 1, 2025	IONS IONIS PHARMACEUTICALS INC	Award(A) Non-Qualified Stock Option (right to buy)	11,518	-	-	Direct
Jul 1, 2025	IONS IONIS PHARMACEUTICALS INC	Award(A) Restricted Stock Unit	5,220	-	-	Direct
Jun 12, 2025	MRSN Mersana Therapeutics, Inc.	Award(A) Stock Option (right to buy)	61,500	-	-	Direct

1-22 of 22 transactions

About Diaz Allene M.

Diaz Allene M. (SEC CIK 0001773314) files insider reports with the SEC as Director of IONIS PHARMACEUTICALS INC (IONS) and Director of Mersana Therapeutics, Inc. (MRSN).

Signal8 holds 8 ownership filings by Diaz Allene M., all Form 4s, filed between Jun 13, 2025 and Jul 9, 2026. Those filings report 22 transactions, from Jun 12, 2025 to Jul 7, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Diaz Allene M.'s filings is in CARLSBAD, CA.

Recent filings by Diaz Allene M.

Jul 7, 2026: Option exercise of IONS shares (Form 4, code M).
Jul 7, 2026: Open-market sale of IONS shares (Form 4, code S).
Jul 1, 2026: Grants or awards of IONS derivative securities (2 lines, Form 4, code A).
Mar 3, 2026: Open-market sales of IONS shares (3 lines, Form 4, code S).
Mar 3, 2026: Option exercises of IONS shares (3 lines, Form 4, code M).

Other insiders filing for IONIS PHARMACEUTICALS INC (IONS)

Devers Shannon L., EVP, Chief Human Resources Ofc
Swayze Eric, EVP Research
BENNETT C FRANK, EVP, Chief Scientific Officer
O'NEIL PATRICK R., EVP CLO & General Counsel
Monia Brett P, Chief Executive Officer
Birchler Brian, EVP, Corp and Development Ops

How to read Form 4 transaction codes