Insider Transactions Reported by 28 Insiders of Galecto, Inc.

Symbol: GLTO on Nasdaq
Location: Boston, MA

Quick Takeaways

GLTO - Galecto, Inc. has 28 insiders with reported activity on this page.
Net insider value flow over the last year: -$27,172.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: ; sell value: $27,172.
Net share flow: -2,232.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$27,172.

Buys

Shares: 0

Insiders: 0

Sells

$27,172

Shares: 2,232

Insiders: 3

Net

-$27,172

Shares: -2,232

Insiders: -3

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	1,090	$0	$23,308	-$23,308
6-9	0	$0	$0	$0
9-12	1,142	$0	$3,864	-$3,864

Galecto, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Fairmount Funds Management LLC	Director, 10%+ Owner	$190,117,660			Mixed	23 Mar 2026
Jennifer Jarrett	President and Chief Executive Officer, Director	$11,505,000			Median	30 Mar 2026
L. Becker Hewes	Chief Medical Officer	$7,676,887			Mixed	05 Jan 2026
Sherwin Sattarzadeh	Chief Operating Officer	$6,499,436			Mixed	05 Jan 2026
Julianne Bruno	Director	$2,990,038			Mixed	23 Mar 2026
ORBIMED ADVISORS LLC	10%+ Owner	$1,132,781			Filing P/S	15 Aug 2023
Schambye Hans T.	Chief Executive Officer, Director	$104,121	-$17,450	-14%	Mixed	02 Jan 2026
Jonathan Freve	Chief Financial Officer	$75,000			Mixed	03 Jan 2024
Garrett Winslow	General Counsel	$54,726	-$6,333	-10%	Mixed	23 Mar 2026
Lori Firmani	Chief Financial Officer	$28,186	-$3,389	-11%	Mixed	02 Jan 2026
Fairmount Healthcare Co-Invest V L.P.	Director, 10%+ Owner				Mixed	23 Mar 2026
Tomas Kiselak	10%+ Owner				Mixed	23 Mar 2026
Peter Evan Harwin	Director, 10%+ Owner				Mixed	23 Mar 2026
Cameron Turtle	Director				Mixed	23 Mar 2026
Michael Landsittel	Director				Mixed	23 Mar 2026
Fairmount Healthcare Fund II L.P.	Director, 10%+ Owner				Mixed	23 Mar 2026
Christopher W. Cain	Director				Mixed	23 Mar 2026
David Shapiro	Director				Mixed	18 Jun 2025
Amy B. Wechsler	Director				Mixed	18 Jun 2025
Jayson Donald Alexander Dallas	Director				Mixed	18 Jun 2025
Amit Munshi	Director				Mixed	18 Jun 2025
Carl Goldfischer	Director				Mixed	18 Jun 2025
Anne Prener	Director				Mixed	18 Jun 2025
Chau Q. Khuong	Director				Mixed	14 Jun 2023
Anders Pedersen	Chief Operating Officer				Mixed	04 Jan 2023
Bertil Lindmark	Chief Medical Officer				Mixed	04 Jan 2023
Stephanie Oestreich	Chief Business Officer				Mixed	04 Jan 2023
Matthew Kronmiller	EVP Strategy and CBO				Mixed	03 Jan 2025

Top shareholders of Galecto, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Fairmount Funds Management LLC	3/4/5 13D/G	Director, 10%+ Owner	20% from 13D/G	8,752,035 mixed-class rows	$190,117,660	—	23 Mar 2026	3/4/5 13D/G
Venrock Healthcare Capital Partners III, L.P.	13D/G	—	6%	3,603,595	$78,630,443	$0	09 Feb 2026	13D/G
Jennifer Jarrett	3/4/5	President and Chief Executive Officer, Director	— mixed-class rows	2,000,000 mixed-class rows	$11,505,000	—	30 Mar 2026	3/4/5
L. Becker Hewes	3/4/5	Chief Medical Officer	— mixed-class rows	793,232 mixed-class rows	$7,676,887	—	05 Jan 2026	3/4/5
FMR LLC	13D/G 13F	Company	15%	238,878	$6,650,364	$0	28 Nov 2025	13D/G 13F
Ikarian Capital, LLC	13F 13D/G	Company	0.6% from 13D/G	285,710	$6,574,187	—	31 Dec 2025	13F 13D/G
Sherwin Sattarzadeh	3/4/5	Chief Operating Officer	— mixed-class rows	634,585 mixed-class rows	$6,499,436	—	05 Jan 2026	3/4/5
Paragon Therapeutics, Inc.	13D/G	—	7.5%	120,473	$3,494,922	$0	10 Nov 2025	13D/G
Paramora Holding LLC	13D/G	—	7.5%	120,473	$3,494,922	$0	10 Nov 2025	13D/G
Julianne Bruno	3/4/5	Director	— mixed-class rows	174,345 mixed-class rows	$2,990,038	—	23 Mar 2026	3/4/5
Jain Global LLC	13F 13D/G	Company	7.5% from 13D/G	120,566	$2,774,224	—	31 Dec 2025	13F 13D/G
Remedium Capital Partners, LLC	13F	Company	0.2%	120,473	$2,772,000	—	31 Dec 2025	13F
Point72 Asset Management, L.P.	13F 13D/G	Company	6.3% from 13D/G	109,000	$2,508,090	—	31 Dec 2025	13F 13D/G
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.16%	95,798	$2,204,312	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	0.12%	74,917	$1,723,840	—	31 Dec 2025	13F
ORBIMED ADVISORS LLC	3/4/5	10%+ Owner	— class O/S missing	1,510,375	$1,132,781	—	15 Aug 2023	3/4/5
VANGUARD GROUP INC	13F	Company	0.03%	18,247	$419,863	—	31 Dec 2025	13F
Sigma Planning Corp	13F	Company	0.02%	14,500	$333,645	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.02%	11,573	$266,345	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	0.01%	7,520	$173,035	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0.01%	6,389	$147,011	—	31 Dec 2025	13F
Schambye Hans T.	3/4/5	Chief Executive Officer, Director	— mixed-class rows	23,722 mixed-class rows	$104,121	-$17,450	02 Jan 2026	3/4/5
Jonathan Freve	3/4/5	Chief Financial Officer	— mixed-class rows	215,000 mixed-class rows	$75,000	—	03 Jan 2024	3/4/5
Garrett Winslow	3/4/5	General Counsel	— mixed-class rows	253,174 mixed-class rows	$54,726	-$6,333	23 Mar 2026	3/4/5
JANUS HENDERSON GROUP PLC	13F	Company	0%	1,739	$40,014	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	1,228	$28,256	—	31 Dec 2025	13F
Lori Firmani	3/4/5	Chief Financial Officer	— mixed-class rows	6,657 mixed-class rows	$28,186	-$3,389	02 Jan 2026	3/4/5
CITIGROUP INC	13F	Company	0%	1,127	$25,932	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	176	$4,050	—	31 Dec 2025	13F
SHP Wealth Management	13F	Company	0%	25	$575	—	31 Dec 2025	13F
SBI Securities Co., Ltd.	13F	Company	0%	14	$322	—	31 Dec 2025	13F
Anders Pedersen	3/4/5	Chief Operating Officer	— class O/S missing	115,000	—	—	04 Jan 2023	3/4/5
Bertil Lindmark	3/4/5	Chief Medical Officer	— class O/S missing	115,000	—	—	04 Jan 2023	3/4/5
Stephanie Oestreich	3/4/5	Chief Business Officer	— class O/S missing	80,000	—	—	04 Jan 2023	3/4/5
Cameron Turtle	3/4/5	Director	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Christopher W. Cain	3/4/5	Director	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Fairmount Healthcare Co-Invest V L.P.	3/4/5	Director, 10%+ Owner	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Fairmount Healthcare Fund II L.P.	3/4/5	Director, 10%+ Owner	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Michael Landsittel	3/4/5	Director	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Peter Evan Harwin	3/4/5	Director, 10%+ Owner	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Tomas Kiselak	3/4/5	10%+ Owner	— class O/S missing	37,313	—	—	23 Mar 2026	3/4/5
Chau Q. Khuong	3/4/5	Director	— class O/S missing	18,000	—	—	14 Jun 2023	3/4/5
Matthew Kronmiller	3/4/5	EVP Strategy and CBO	— class O/S missing	6,000	—	—	03 Jan 2025	3/4/5
Carl Goldfischer	3/4/5	Director	— class O/S missing	1,440	—	—	18 Jun 2025	3/4/5
Amit Munshi	3/4/5	Director	— class O/S missing	720	—	—	18 Jun 2025	3/4/5
Amy B. Wechsler	3/4/5	Director	— class O/S missing	720	—	—	18 Jun 2025	3/4/5
Anne Prener	3/4/5	Director	— class O/S missing	720	—	—	18 Jun 2025	3/4/5
David Shapiro	3/4/5	Director	— class O/S missing	720	—	—	18 Jun 2025	3/4/5
Jayson Donald Alexander Dallas	3/4/5	Director	— class O/S missing	720	—	—	18 Jun 2025	3/4/5

Recent Insider Transactions by Companies or Individuals for Galecto, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Jennifer Jarrett	DMRA	Common Stock	Award				500,000	500,000	30 Mar 2026	Direct
Jennifer Jarrett	DMRA	Stock Option (right to buy)	Award				1,500,000	1,500,000	30 Mar 2026	Direct
Garrett Winslow	DMRA	Stock Option (right to buy)	Award				250,000	250,000	23 Mar 2026	Direct
Cameron Turtle	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	Direct
Michael Landsittel	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	Direct
Fairmount Funds Management LLC	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	By: Peter Harwin
Fairmount Funds Management LLC	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	By: Peter Harwin
Fairmount Funds Management LLC	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	By: Peter Harwin
Fairmount Funds Management LLC	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	By: Peter Harwin
Fairmount Funds Management LLC	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	By: Peter Harwin
Christopher W. Cain	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	Direct
Julianne Bruno	DMRA	Stock Option (right to buy)	Award				37,313	37,313	23 Mar 2026	Direct
Julianne Bruno	GLTO	Common Stock	Options Exercise	1606.1%			129,000	137,032	09 Feb 2026	Direct
Julianne Bruno	GLTO	Series C Preferred Stock	Options Exercise	-100%			-129	0	09 Feb 2026	Direct
Fairmount Funds Management LLC	GLTO	Common Stock	Options Exercise				2,904,000	2,904,000	09 Feb 2026	By Fairmount Healthcare Co-Invest V L.P.
Fairmount Funds Management LLC	GLTO	Common Stock	Options Exercise				5,809,000	5,809,000	09 Feb 2026	By Fairmount Healthcare Fund II L.P.
Fairmount Funds Management LLC	GLTO	Series C Preferred Stock	Options Exercise	-83.5%			-2,904	574	09 Feb 2026	By Fairmount Healthcare Co-Invest V L.P.
Fairmount Funds Management LLC	GLTO	Series C Preferred Stock	Options Exercise	-83.5%			-5,809	1,148	09 Feb 2026	By Fairmount Healthcare Fund II L.P.
Sherwin Sattarzadeh	GLTO	Common Stock	Award				190,376	190,376	05 Jan 2026	Direct
Sherwin Sattarzadeh	GLTO	Stock Option (right to buy)	Award				444,209	444,209	05 Jan 2026	Direct
L. Becker Hewes	GLTO	Common Stock	Award				264,629	264,629	05 Jan 2026	Direct
L. Becker Hewes	GLTO	Stock Option (right to buy)	Award				528,603	528,603	05 Jan 2026	Direct
Schambye Hans T.	GLTO	Common Stock	Sale	-13%	$14,966	$21.38	-700	4,682	02 Jan 2026	Direct
Schambye Hans T.	GLTO	Common Stock	Options Exercise	33.8%			1,360	5,382	02 Jan 2026	Direct
Schambye Hans T.	GLTO	Restricted Stock Units	Options Exercise	-34%			-1,360	2,640	02 Jan 2026	Direct
Garrett Winslow	GLTO	Common Stock	Sale	-12.1%	$5,452	$21.38	-255	1,854	02 Jan 2026	Direct
Garrett Winslow	GLTO	Common Stock	Options Exercise	47.6%			680	2,109	02 Jan 2026	Direct
Garrett Winslow	GLTO	Restricted Stock Units	Options Exercise	-34%			-680	1,320	02 Jan 2026	Direct
Lori Firmani	GLTO	Common Stock	Sale	-12.7%	$2,890	$21.41	-135	931	02 Jan 2026	Direct
Lori Firmani	GLTO	Common Stock	Options Exercise	54%			374	1,066	02 Jan 2026	Direct
Lori Firmani	GLTO	Restricted Stock Units	Options Exercise	-34%			-374	726	02 Jan 2026	Direct
Schambye Hans T.	GLTO	Common Stock	Sale	-15.4%	$2,484	$3.38	-735	4,022	03 Jul 2025	Direct
Schambye Hans T.	GLTO	Common Stock	Options Exercise	40%			1,360	4,757	03 Jul 2025	Direct
Schambye Hans T.	GLTO	Restricted Stock Units	Options Exercise	-25.4%			-1,360	4,000	03 Jul 2025	Direct
Garrett Winslow	GLTO	Common Stock	Sale	-15.4%	$881	$3.39	-260	1,429	03 Jul 2025	Direct
Garrett Winslow	GLTO	Common Stock	Options Exercise	67.4%			680	1,689	03 Jul 2025	Direct
Garrett Winslow	GLTO	Restricted Stock Units	Options Exercise	-25.4%			-680	2,000	03 Jul 2025	Direct
Lori Firmani	GLTO	Common Stock	Sale	-17.5%	$498	$3.39	-147	692	03 Jul 2025	Direct
Lori Firmani	GLTO	Common Stock	Options Exercise	80.4%			374	839	03 Jul 2025	Direct
Lori Firmani	GLTO	Restricted Stock Units	Options Exercise	-25.4%			-374	1,100	03 Jul 2025	Direct
Jayson Donald Alexander Dallas	GLTO	Stock Option (right to buy)	Award				720	720	18 Jun 2025	Direct
Amit Munshi	GLTO	Stock Option (right to buy)	Award				720	720	18 Jun 2025	Direct
David Shapiro	GLTO	Stock Option (right to buy)	Award				720	720	18 Jun 2025	Direct
Anne Prener	GLTO	Stock Option (right to buy)	Award				720	720	18 Jun 2025	Direct
Amy B. Wechsler	GLTO	Stock Option (right to buy)	Award				720	720	18 Jun 2025	Direct
Carl Goldfischer	GLTO	Stock Option (right to buy)	Award				1,440	1,440	18 Jun 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.