Updated Jul 16, 2026
SLACK HENRY R is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $1.04M.

Henry R. Slack is a director at Alico, Inc., a Florida-based agribusiness company focused on citrus production and land management. He has been involved in the company's governance through SEC filings, although specific details about his career and achievements are limited.
| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-08-25 | ALCO | ALICO, INC. | S — Open-market sale | 3.5K | $34.29 | $122K |
| 2025-08-25 | ALCO | ALICO, INC. | S — Open-market sale | 2.9K | $34.56 | $101K |
| 2025-08-15 | ALCO | ALICO, INC. | S — Open-market sale | 24.8K | $32.83 | $814K |
Henry R. Slack is a director at Alico, Inc., a Florida-based agribusiness company focused on citrus production and land management. He has been involved in the company's governance through SEC filings, although specific details about his career and achievements are limited.…
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($1.04M) across all tracked 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.
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