Updated Jul 16, 2026
Grzebinski David W is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $7.60M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-26 | KEX | KIRBY CORP | S — Open-market sale | 34.2K | $130.05 | $4.44M |
| 2026-02-26 | KEX | KIRBY CORP | M — Option exercise | 34.2K | $73.29 | $2.50M |
| 2026-02-06 | KEX | KIRBY CORP | F — Tax withholding / forfeiture | 8.8K | $120.68 | $1.07M |
| 2026-02-06 | KEX | KIRBY CORP | M — Option exercise | 22.5K | $0.00 | |
| 2026-01-27 | KEX | KIRBY CORP | F — Tax withholding / forfeiture | 3.2K | $128.70 | $418K |
| 2026-01-27 | KEX | KIRBY CORP | M — Option exercise | 8.2K | $0.00 | |
| 2025-11-24 | KEX | KIRBY CORP | S — Open-market sale | 29.5K | $107.41 | $3.16M |
| 2025-11-24 | KEX | KIRBY CORP | M — Option exercise | 29.5K | $73.93 | $2.18M |
| 2024-11-15 | KEX | KIRBY CORP | G — Bona-fide gift | 1.0K | $0.00 |
Grzebinski David W is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($7.60M) 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.
Open the live Grzebinski David W profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.