GILLIS STEVEN

10% owner at Neumora Therapeutics, Inc. · on record since Sep 29, 2023
10% owner at Boundless Bio, Inc. · on record since Mar 27, 2024
10% owner at Rapport Therapeutics, Inc. · on record since Jun 10, 2024
10% owner at Maze Therapeutics, Inc. · on record since Jan 30, 2025
10% owner at Metsera, Inc. · on record since Jan 30, 2025
10% owner at Lyell Immunopharma, Inc. · on record since Jul 29, 2025
Director at Metsera, Inc. · on record since Nov 14, 2025
Director at TAKEDA PHARMACEUTICAL CO LTD · on record since Mar 18, 2026
10% owner at Kardigan, Inc. · on record since Jun 18, 2026
Director at Trubion Pharmaceuticals, Inc · on record since Nov 17, 2009
10% owner at Verve Therapeutics, Inc. · on record since Jun 23, 2021
10% owner at Seaport Therapeutics, Inc. · on record since Apr 30, 2026
Director at CORIXA CORP · on record since Dec 18, 2003
CEO at CORIXA CORP · on record since Dec 18, 2003
Director at VBI VACCINES INC. · on record since Aug 4, 2014
10% owner at VBI VACCINES INC. · on record since Aug 4, 2014
Director at Pulmatrix, Inc. · on record since Jun 25, 2015
Director at PHASERX, INC. · on record since May 25, 2016
10% owner at · on record since May 25, 2016
Director at · on record since Mar 29, 2018
10% owner at · on record since Feb 26, 2019
Director at · on record since Oct 20, 2020
10% owner at · on record since Feb 10, 2021
10% owner at · on record since Jul 27, 2021
10% owner at · on record since Jul 20, 2021
10% owner at · on record since Oct 26, 2022
Director at · on record since Jun 24, 2026
Director at · on record since Jun 26, 2013

Insider trading activity of GILLIS STEVEN

Transactions on record: 172; since Dec 18, 2003

Open-market buys: 14; $69.6M

Open-market sells: 7; $9.3M

Companies traded: 14; last filing Jul 6, 2026

Figures computed from official regulatory filings — .

Companies where GILLIS STEVEN has traded

2 tx · Jul 6, 2026
1 tx · $10M · Aug 1, 2025
9 tx · $40M · Feb 3, 2025
12 tx · $3.2M · Apr 4, 2024
17 tx · $2M · Jul 28, 2023
9 tx · Jun 15, 2023
14 tx · $3.5M · Feb 21, 2023
23 tx · Sep 1, 2020
3 tx · $6.4M · Sep 23, 2019
3 tx · $5.4M · Feb 26, 2019
2 tx · May 30, 2017
22 tx · $9.3M · Jul 30, 2015
18 tx · $580.3K · Oct 28, 2010
37 tx · $3.5M · Jul 14, 2005

Track record of GILLIS STEVEN

Statistical track record

Free account

Open-market buys: 16

Last buy: Aug 1, 2025

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Transaction history of GILLIS STEVEN

Co-insiders of GILLIS STEVEN

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
TAKEDA PHARMACEUTICAL CO LTDListing on record	Jul 6, 2026	Award	3,800	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TAKEDA PHARMACEUTICAL CO LTDListing on record	Jul 6, 2026	AwardD (derivative)	1,319	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Prime Medicine, Inc.Listing on record	Aug 1, 2025	Buy	3,030,300	3.30 USD	$10M	conv 58Cluster	SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-15,000,000	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-19,933,333	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-15,000,000	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Buy	1,432,224	18.00 USD	$25.8M	conv 66ClusterUnusual size	SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Buy	789,998	18.00 USD	$14.2M	conv 67ClusterUnusual size	SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-2,678,571	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-2,678,571	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Other	7,523,682	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Other	16,006,949	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-164,835	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-227,920	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-201,465	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Other	589,743	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Buy	133,333	16.00 USD	$2.1M	conv 42Cluster	SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-454,212	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Buy	66,667	16.00 USD	$1.1M	conv 42Cluster	SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-424,908	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Other	1,048,433	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Other	787,545	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-366,301	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-586,080	—	n/a (No price was disclosed in the filing)		SEC
VBI Vaccines Inc/BCListing unverified	Jul 28, 2023	AwardD (derivative)	52,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
TAKEDA PHARMACEUTICAL CO LTDListing on record	Jul 6, 2026	Award	3,800	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TAKEDA PHARMACEUTICAL CO LTDListing on record	Jul 6, 2026	AwardD (derivative)	1,319	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Prime Medicine, Inc.Listing on record	Aug 1, 2025	Buy	3,030,300	3.30 USD	$10M	conv 58Cluster	SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-15,000,000	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-19,933,333	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-15,000,000	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Buy	1,432,224	18.00 USD	$25.8M	conv 66ClusterUnusual size	SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Buy	789,998	18.00 USD	$14.2M	conv 67ClusterUnusual size	SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-2,678,571	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	OtherD (derivative)	-2,678,571	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Other	7,523,682	—	n/a (No price was disclosed in the filing)		SEC
Metsera, Inc.Listing unverified	Feb 3, 2025	Other	16,006,949	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-164,835	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-227,920	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-201,465	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Other	589,743	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Buy	133,333	16.00 USD	$2.1M	conv 42Cluster	SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-454,212	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Buy	66,667	16.00 USD	$1.1M	conv 42Cluster	SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-424,908	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Other	1,048,433	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	Other	787,545	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-366,301	—	n/a (No price was disclosed in the filing)		SEC
Boundless Bio, Inc.Listing on record	Apr 4, 2024	OtherD (derivative)	-586,080	—	n/a (No price was disclosed in the filing)		SEC
VBI Vaccines Inc/BCListing unverified	Jul 28, 2023	AwardD (derivative)	52,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC