Joel Lewis - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Joel Lewis is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $759K.
Profile
Joel Lewis is a corporate insider at GALECTIN THERAPEUTICS INC (GALT). Lewis has reported 13 insider filings with the SEC since 2024. The most recent filing was in January 2026.
| Role | President and CEO |
|---|---|
| Notability | 20/100 |
Board memberships
- GALECTIN THERAPEUTICS INC
Trading Pattern
InsiderAlpha's records for Joel Lewis go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. 29 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Joel Lewis has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- President and CEO at GALECTIN THERAPEUTICS INC (GALT) - 11 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-01-06 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 37.7K | $3.58 | $135K |
| 2026-01-06 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 27.7K | $3.91 | $108K |
| 2026-01-06 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 18.6K | $4.20 | $78K |
| 2026-01-06 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 84.0K | $0.00 | |
| 2025-12-19 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 7.8K | $7.06 | $55K |
| 2025-12-19 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 7.8K | $2.86 | $22K |
| 2025-11-19 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 6.8K | $6.15 | $42K |
| 2025-11-19 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 6.8K | $2.39 | $16K |
| 2025-11-19 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 15.7K | $6.04 | $95K |
| 2025-11-19 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 15.7K | $2.39 | $37K |
| 2025-11-12 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 1.9K | $6.03 | $11K |
| 2025-11-12 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 1.9K | $2.39 | $4K |
| 2025-11-07 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 200 | $6.00 | $1K |
| 2025-11-07 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 200 | $2.39 | $478 |
| 2025-11-05 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 14.4K | $6.07 | $88K |
| 2025-11-05 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 14.4K | $2.39 | $34K |
| 2025-11-05 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale [10b5-1] | 1.3K | $6.01 | $8K |
| 2025-11-05 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise [10b5-1] | 1.3K | $2.39 | $3K |
| 2025-09-12 | GALT | GALECTIN THERAPEUTICS INC | S - Open-market sale | 14.0K | $6.36 | $89K |
| 2025-09-12 | GALT | GALECTIN THERAPEUTICS INC | M - Option exercise | 14.0K | $2.39 | $33K |
Most Active Insiders Right Now
Joel Lewis has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
Frequently Asked Questions
Who is Joel Lewis?
Joel Lewis is a corporate insider at GALECTIN THERAPEUTICS INC (GALT). Lewis has reported 13 insider filings with the SEC since 2024. The most recent filing was in January 2026.…
Has Joel Lewis been buying or selling stock?
Recorded transactions: 0 open-market purchases and 12 open-market sales ($759K) across all tracked filings.
Where can I see all of Joel Lewis's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Joel Lewis profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.