Insiders who reported open-market trades in the last 12 months at the companies Stephen Tadlock files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Scott Bender - $35.39M in WHD purchases and sales in the last 12 months
Joel Bender - $35.39M in WHD purchases and sales in the last 12 months
Steven Bender - $1.69M in WHD purchases and sales in the last 12 months
Michael Y. McGovern - $679K in WHD purchases and sales in the last 12 months
John A. Odonnell - $661K in WHD purchases and sales in the last 12 months
Alan Semple - $578K in WHD purchases and sales in the last 12 months
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Stephen Tadlock is a corporate insider, tracked as EVP/CEO Cactus Intl of Cactus, Inc. (WHD). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Stephen Tadlock submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Stephen Tadlock been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($4.51M) across all tracked filings.
Stephen Tadlock is EVP/CEO Cactus Intl of Cactus, Inc. (WHD). 5 SEC Form 4 filings on record going back to 2024, most recently on 5 August 2026. Most recent open-market trade: sold $2.45M of WHD on 5 August 2026. Lifetime open-market sales: $4.51M.
Recent transactions
12
The latest 12 SEC Form 4 transactions reported by Stephen Tadlock.
InsiderAlpha's records for Stephen Tadlock go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.