Summary
Latest filing:
William H. Weideman is Director of OLIN Corp (OLN). 1 SEC Form 4 filing on record, dated 5 May 2026.
Trading pattern
InsiderAlpha's records for William H. Weideman go back to 2026: 1 primary Form 4 filing, an average of 1.0 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.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William H. Weideman 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.
- Todd A. Slater - $2.07M in OLN purchases and sales in the last 12 months
- Deon Carter - $154K in OLN purchases and sales in the last 12 months
- R. Nichole Sumner - $107K in OLN purchases and sales in the last 12 months
- Teresa M. Vermillion - $94K in OLN purchases and sales in the last 12 months
- Angela M. Castle - $58K in OLN purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is William H. Weideman?
William H. Weideman is a corporate insider, tracked as Director of OLIN Corp (OLN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William H. Weideman last file a Form 4?
The only primary Form 4 on record is dated 5 May 2026.