McIlwain Matthew S

Director at Isilon Systems, Inc. · on record since Dec 21, 2006
10% owner at Isilon Systems, Inc. · on record since Dec 21, 2006
Director at Apptio Inc · on record since Sep 28, 2016
10% owner at Apptio Inc · on record since Sep 28, 2016
Director at Nautilus Biotechnology, Inc. · on record since Jun 9, 2021
Director at SMARTSHEET INC · on record since Apr 30, 2018
10% owner at SMARTSHEET INC · on record since Apr 30, 2018

Insider trading activity of McIlwain Matthew S

Transactions on record: 208; since Dec 21, 2006

Open-market buys: 14; $4M

Open-market sells: 37; $294.7M

Companies traded: 4; last filing Jun 22, 2026

Figures computed from official regulatory filings — .

Companies where McIlwain Matthew S has traded

Nautilus Biotechnology, Inc.9 tx · $815K · Jun 22, 2026
SMARTSHEET INC129 tx · $299.6M · Jan 24, 2025
Apptio Inc44 tx · $2.1M · Jan 11, 2019
Isilon Systems, Inc.26 tx · $202.3M · Dec 21, 2010

Track record of McIlwain Matthew S

Statistical track record

Free account

Open-market buys: 14

Last buy: Mar 18, 2022

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Transaction history of McIlwain Matthew S

Co-insiders of McIlwain Matthew S

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Nautilus Biotechnology, Inc.Listing on record	Jun 22, 2026	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 25, 2025	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jan 24, 2025	OtherD (derivative)	-4,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jan 24, 2025	Other	-131,122	56.50 USD	$7.4M		SEC
SMARTSHEET INCListing unverified	Jun 18, 2024	ExerciseD (derivative)	-4,401	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 18, 2024	Exercise	4,401	—	n/a (No price was disclosed in the filing)		SEC
SMARTSHEET INCListing unverified	Jun 18, 2024	AwardD (derivative)	4,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 17, 2024	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Dec 14, 2023	Gift	-7,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 20, 2023	ExerciseD (derivative)	-5,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 20, 2023	Exercise	5,162	—	n/a (No price was disclosed in the filing)		SEC
SMARTSHEET INCListing unverified	Jun 20, 2023	AwardD (derivative)	4,401	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 16, 2023	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Feb 27, 2023	Gift	-5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 22, 2022	ExerciseD (derivative)	-2,952	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 22, 2022	Exercise	2,952	—	n/a (No price was disclosed in the filing)		SEC
SMARTSHEET INCListing unverified	Jun 22, 2022	AwardD (derivative)	5,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 16, 2022	AwardD (derivative)	86,467	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Mar 21, 2022	Buy	9,157	49.53 USD	$453.5K	conv 34Cluster	SEC
SMARTSHEET INCListing unverified	Mar 21, 2022	Buy	843	50.64 USD	$42.7K	conv 28Cluster	SEC
SMARTSHEET INCListing unverified	Dec 15, 2021	Buy	15,000	70.88 USD	$1.1M	conv 45Unusual size	SEC
SMARTSHEET INCListing unverified	Dec 14, 2021	Buy	-15,000	70.88 USD	$1.1M	conv 56Unusual size	SEC
Nautilus Biotechnology, Inc.Listing on record	Nov 17, 2021	Buy	100,000	5.30 USD	$530K	conv 62Unusual size	SEC
Nautilus Biotechnology, Inc.Listing on record	Aug 26, 2021	Buy	11,693	7.74 USD	$90.5K	conv 37Cluster	SEC
Nautilus Biotechnology, Inc.Listing on record	Aug 26, 2021	Buy	11,709	7.71 USD	$90.3K	conv 37Cluster	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Nautilus Biotechnology, Inc.Listing on record	Jun 22, 2026	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 25, 2025	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jan 24, 2025	OtherD (derivative)	-4,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jan 24, 2025	Other	-131,122	56.50 USD	$7.4M		SEC
SMARTSHEET INCListing unverified	Jun 18, 2024	ExerciseD (derivative)	-4,401	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 18, 2024	Exercise	4,401	—	n/a (No price was disclosed in the filing)		SEC
SMARTSHEET INCListing unverified	Jun 18, 2024	AwardD (derivative)	4,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 17, 2024	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Dec 14, 2023	Gift	-7,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 20, 2023	ExerciseD (derivative)	-5,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 20, 2023	Exercise	5,162	—	n/a (No price was disclosed in the filing)		SEC
SMARTSHEET INCListing unverified	Jun 20, 2023	AwardD (derivative)	4,401	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 16, 2023	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Feb 27, 2023	Gift	-5,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 22, 2022	ExerciseD (derivative)	-2,952	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Jun 22, 2022	Exercise	2,952	—	n/a (No price was disclosed in the filing)		SEC
SMARTSHEET INCListing unverified	Jun 22, 2022	AwardD (derivative)	5,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 16, 2022	AwardD (derivative)	86,467	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Mar 21, 2022	Buy	9,157	49.53 USD	$453.5K	conv 34Cluster	SEC
SMARTSHEET INCListing unverified	Mar 21, 2022	Buy	843	50.64 USD	$42.7K	conv 28Cluster	SEC
SMARTSHEET INCListing unverified	Dec 15, 2021	Buy	15,000	70.88 USD	$1.1M	conv 45Unusual size	SEC
SMARTSHEET INCListing unverified	Dec 14, 2021	Buy	-15,000	70.88 USD	$1.1M	conv 56Unusual size	SEC
Nautilus Biotechnology, Inc.Listing on record	Nov 17, 2021	Buy	100,000	5.30 USD	$530K	conv 62Unusual size	SEC
Nautilus Biotechnology, Inc.Listing on record	Aug 26, 2021	Buy	11,693	7.74 USD	$90.5K	conv 37Cluster	SEC
Nautilus Biotechnology, Inc.Listing on record	Aug 26, 2021	Buy	11,709	7.71 USD	$90.3K	conv 37Cluster	SEC