Matthew S. McIlwain

CIK: 0001381752

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)1 (33.3%)

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

Companies & Roles (2)

NAUT

Nautilus Biotechnology, Inc.

Director

SMAR

SMARTSHEET INC

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

NAUT
Nautilus Biotechnology, Inc.
Jun 18, 2026
Award(A)
Stock Option (Right to Buy)
Direct
45K shares-
NAUT
Nautilus Biotechnology, Inc.
Jun 23, 2025
Award(A)
Stock Option (Right to Buy)
Direct
45K shares-
SMAR
SMARTSHEET INC
Jan 22, 2025
Disposition(D)
Direct
131.1K shares at avg. $56.50$7.4M

		Type	Shares	Price		Ownership
Jun 18, 2026	NAUT Nautilus Biotechnology, Inc.	Award(A) Stock Option (Right to Buy)	45,000	-	-	Direct
Jun 23, 2025	NAUT Nautilus Biotechnology, Inc.	Award(A) Stock Option (Right to Buy)	45,000	-	-	Direct
Jan 22, 2025	SMAR SMARTSHEET INC	Disposition(D)	131,122	$56.50	$7,408,393	Direct

1-3 of 3 transactions

About McIlwain Matthew S

McIlwain Matthew S (SEC CIK 0001381752) files insider reports with the SEC as Director of Nautilus Biotechnology, Inc. (NAUT) and Director of SMARTSHEET INC (SMAR).

Signal8 holds 3 ownership filings by McIlwain Matthew S, all Form 4s, filed between Jan 24, 2025 and Jun 22, 2026. Those filings report 3 transactions, from Jan 22, 2025 to Jun 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on McIlwain Matthew S's filings is in SEATTLE, WA.

Recent filings by McIlwain Matthew S

Jun 18, 2026: Grant or award of NAUT derivative securities (Form 4, code A).
Jun 23, 2025: Grant or award of NAUT derivative securities (Form 4, code A).
Jan 22, 2025: Disposition to issuer transaction of SMAR shares (Form 4, code D).

Other insiders filing for Nautilus Biotechnology, Inc. (NAUT)

Posard Matthew L., Director
NAZEM FARZAD, Director
Akinsanya Karen, Director
Epperly Melissa B,, Director
AH Equity Partners Bio II, L.L.C., 10% Owner
Patel Sujal M, CEO, President, and Secretary

How to read Form 4 transaction codes