InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
33%
T+90 mean return
+22.3%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Williams Shawn D., Director. Officer active across 3 companies, notably KIRBY CORP. In total, 12 filings have been published. History available since 2 August 2021. The latest transaction was disclosed on 5 May 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations12 total
1,923 shares0Common Stock, par value $0.10 per shareSEC:0000950170-25-064370:0
15,485.558 sharesCommon StockSEC:0000950170-24-130181:0
39,091 shares0Common StockSEC:0001562180-24-004503:0
1,828 shares0Common Stock, par value $0.10 per shareSEC:0000950170-24-051140:0
8,130.081 shares0Common StockSEC:0000101778-24-000051:0
24,022 shares0Common StockSEC:0001562180-23-004512:0
2,767 shares0Common Stock, par value $0.10 per shareSEC:0001209191-23-027132:0
7,108.698 shares0Common StockSEC:0000101778-23-000065:0
31,216 shares0Common StockSEC:0001562180-22-004549:0
3,113 shares0Common Stock, par value $0.10 per shareSEC:0001209191-22-026868:0
2,653 shares0Common Stock, par value $0.10 per shareSEC:0001209191-21-049191:0
2,653 shares0Common Stock, par value $0.10 per shareSEC:0001209191-21-049191
12 of 12 declarations
About Williams Shawn D.
Shawn D. Williams is a Director at KIRBY CORP and TETRA TECHNOLOGIES INC. In this role, he participates in governance and oversight of the activities of both companies. His expertise contributes to guiding strategic decisions and ensuring compliance with regulations.
