As of the latest Form 4 filed May 18, 2026.
What Kirby Corporation insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 49 most recent filings for KEX.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-18 | 2026-05-15 | Woodruff William Matthew VP of Public and Govt Affairs | SSale | −678.00 | $147.37 | $99.9K | No | Form 4 ↗ |
| 2026-05-18 | 2026-05-15 | O'Neil Christian G. President and COO | SSale | −11.3K | $145.93 | $1.65M | No | Form 4 ↗ |
| 2026-05-18 | 2026-05-15 | Husted Amy D. Exec VP General Counsel & Sec | SSale | −4.00K | $145.43 | $582K | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | Williams Shawn D. Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | Waterman William M. Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | Embree Tracy A Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | Dio Susan Leslie Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | DAVIS BARRY E Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | Beder Tanya S Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | ALARIO RICHARD J Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | Ainsworth Anne-Marie Director | AAward | +1.39K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-06 | 2026-05-04 | DRAGG RONALD A Vice President and Controller | SSale | −1.73K | $145.01 | $250K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-24 | Grzebinski David W CEO | SSale | −34.2K | $130.05 | $4.44M | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-24 | Grzebinski David W, CEO | MExercise | +34.2K | $73.29 | $2.50M | No | Form 4 ↗ |
| 2026-02-11 | 2026-02-10 | MILLER SCOTT P VP - CIO | SSale | −3.96K | $120.68 | $478K | No | Form 4 ↗ |
| 2026-02-11 | 2026-02-09 | Woodruff William Matthew VP of Public and Govt Affairs | SSale | −2.00K | $121.88 | $244K | No | Form 4 ↗ |
| 2026-02-06 | 2026-02-04 | DRAGG RONALD A Vice President and Controller | SSale | −5.43K | $122.00 | $662K | No | Form 4 ↗ |
| 2026-02-06 | 2026-02-04 | DRAGG RONALD A, Vice President and Controller | MExercise | +2.79K | $73.29 | $204K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Woodruff William Matthew VP of Public and Govt Affairs | FTax | −475.00 | $120.68 | $57.3K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Woodruff William Matthew, VP of Public and Govt Affairs | MExercise | +1.11K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | O'Neil Christian G. President and COO | FTax | −4.01K | $120.68 | $484K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | O'Neil Christian G., President and COO | MExercise | +10.2K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Niemietz Kurt A. VP IR & Treasurer | FTax | −693.00 | $120.68 | $83.6K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Niemietz Kurt A., VP IR & Treasurer | MExercise | +1.66K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | MILLER SCOTT P VP - CIO | FTax | −1.31K | $120.68 | $158K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | MILLER SCOTT P, VP - CIO | MExercise | +5.38K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Kumar Raj Exec VP and CFO | FTax | −2.21K | $120.68 | $266K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Kumar Raj, Exec VP and CFO | MExercise | +5.46K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Husted Amy D. Exec VP General Counsel & Sec | FTax | −2.88K | $120.68 | $348K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Husted Amy D., Exec VP General Counsel & Sec | MExercise | +7.32K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Grzebinski David W CEO | FTax | −8.84K | $120.68 | $1.07M | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Grzebinski David W, CEO | MExercise | +22.5K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | DRAGG RONALD A Vice President and Controller | FTax | −696.00 | $120.68 | $84.0K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | DRAGG RONALD A, Vice President and Controller | MExercise | +2.79K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Woodruff William Matthew VP of Public and Govt Affairs | FTax | −167.00 | $128.70 | $21.5K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Woodruff William Matthew, VP of Public and Govt Affairs | MExercise | +394.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | O'Neil Christian G. President and COO | FTax | −1.10K | $128.70 | $141K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | O'Neil Christian G., President and COO | MExercise | +2.66K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Niemietz Kurt A. VP IR & Treasurer | FTax | −220.00 | $128.70 | $28.3K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Niemietz Kurt A., VP IR & Treasurer | MExercise | +493.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | MILLER SCOTT P VP - CIO | FTax | −549.00 | $128.70 | $70.7K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | MILLER SCOTT P, VP - CIO | MExercise | +2.01K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Husted Amy D. Exec VP General Counsel & Sec | FTax | −1.14K | $128.70 | $147K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Husted Amy D., Exec VP General Counsel & Sec | MExercise | +2.76K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Grzebinski David W CEO | FTax | −3.24K | $128.70 | $418K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | Grzebinski David W, CEO | MExercise | +8.15K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | DRAGG RONALD A Vice President and Controller | FTax | −263.00 | $128.70 | $33.8K | No | Form 4 ↗ |
| 2026-01-27 | 2026-01-24 | DRAGG RONALD A, Vice President and Controller | MExercise | +887.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2024-05-02 | 2024-05-01 | Woodruff William Matthew VP of Public and Govt Affairs | SSale | −3.75K | $109.25 | $410K | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also KEX’s full analysis or the market-wide insider trading feed. The tabs above jump to KEX’s other SEC data.
Source: SEC Form 4 filings for KEX, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.