Senior insider sale

Chief Executive Officer at GALECTIN THERAPEUTICS INC — senior position signals high conviction

$3.23M

670.21K shares

What this filing means

SHLEVIN HAROLD H. plans to sell 670.21K shares of GALECTIN THERAPEUTICS INC valued at approximately $3.23M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

SHLEVIN HAROLD H.

Filed: 1/6/2026ACC: 0001628280-26-000797

InsiderSHLEVIN HAROLD H.CIK 1557082

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IssuerGALECTIN THERAPEUTICS INCCIK 1133416

Officer· Chief Executive Officer

Since Jan 2019

670.21K

Shares to sell

$3.23M

Approx. market value

441.50K

Acquired (3 months)

Planned

5 completed

Securities Acquired — Last 3 Months10

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STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

1/23/2025

60K

PURCHASE

CASH

12/30/2024

6.50K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

1/24/2024

25K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

1/26/2023

20K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

3/25/2021

55K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

1/9/2020

35K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

1/16/2019

70K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

6/8/2018

35K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

5/18/2018

45K

STOCK OPTION EXCERCISE

CASH UPON EXCERCISE

1/15/2018

90K

Total acquired441.50K

Acquisition Date	Type	Amount Acquired	Gift
1/23/2025	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	60K	—
12/30/2024	PURCHASE CASH	6.50K	—
1/24/2024	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	25K	—
1/26/2023	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	20K	—
3/25/2021	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	55K	—
1/9/2020	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	35K	—
1/16/2019	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	70K	—
6/8/2018	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	35K	—
5/18/2018	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	45K	—
1/15/2018	STOCK OPTION EXCERCISE CASH UPON EXCERCISE	90K	—
Total		441.50K

Planned & Completed Dispositions6

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Completed

—Completed

Units to sell

24.71K

Market value

$172.2K

12/17/2025

—Completed

Units to sell

8.42K

Market value

$52.5K

12/15/2025

—Completed

Units to sell

19.79K

Market value

$123.0K

12/12/2025

—Completed

Units to sell

16.79K

Market value

$104.2K

12/9/2025

—Completed

Units to sell

159K

Market value

$943.4K

12/8/2025

Planned — Approximate Date

NASQPlanned

Units to sell

441.50K

Market value

$1.84M

1/2/2026

Total

Units

670.21K

Value

$3.23M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
12/17/2025	24.71K	$172.2K	—	Completed
12/15/2025	8.42K	$52.5K	—	Completed
12/12/2025	19.79K	$123.0K	—	Completed
12/9/2025	16.79K	$104.2K	—	Completed
12/8/2025	159K	$943.4K	—	Completed
Planned — Approximate Date
1/2/2026	441.50K	$1.84M	NASQ	Planned
Total	670.21K	$3.23M