Ethan Nadelmann - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Ethan Nadelmann has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $5K.
Profile
Ethan Nadelmann is a corporate insider at Green Thumb Industries Inc. (GTII). Nadelmann has reported 6 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- Green Thumb Industries Inc.
Trading Pattern
InsiderAlpha's records for Ethan Nadelmann go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $5K (1 buy totaling $5K). The largest single buy on record is $5K of GTII in 2024. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Ethan Nadelmann 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.
- Insider at Green Thumb Industries Inc. (GTII) - 6 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-03 | GTII | Green Thumb Industries Inc. | A - Grant or award | 5.3K | $0.00 | |
| 2026-03-03 | GTII | Green Thumb Industries Inc. | A - Grant or award | 6.6K | $0.00 | |
| 2025-12-03 | GTII | Green Thumb Industries Inc. | A - Grant or award | 6.5K | $0.00 | |
| 2025-09-01 | GTII | Green Thumb Industries Inc. | A - Grant or award | 5.0K | $0.00 | |
| 2024-12-27 | GTII | Green Thumb Industries Inc. | P - Open-market purchase | 632 | $7.91 | $5K |
| 2024-12-03 | GTII | Green Thumb Industries Inc. | A - Grant or award | 4.7K | $0.00 |
Companies - Last 90 Days
- Green Thumb Industries Inc. (GTII) - 1 filing, last 2026-06-03
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Ethan Nadelmann has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Benjamin Kovler - $3.01M of GTII open-market activity in the last 12 months
- Anthony Georgiadis - $2.76M of GTII open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Fairmount Funds Management LLC
- Scott Farquhar
- Tilman J. Fertitta
- James E. Flynn
- Framework Ventures IV L.P.
- Angeliki Frangou
- Spencer Frazier
- Paul J. Fribourg
Frequently Asked Questions
Who is Ethan Nadelmann?
Ethan Nadelmann is a corporate insider at Green Thumb Industries Inc. (GTII). Nadelmann has reported 6 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Ethan Nadelmann submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Ethan Nadelmann been buying or selling stock?
Recorded transactions: 1 open-market purchase ($5K) and 0 open-market sales across all tracked filings.
Where can I see all of Ethan Nadelmann'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 Ethan Nadelmann profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.