Summary
Latest filing:
Donald J. Herrema has 1 SEC Form 4 filing on record, dated 14 August 2026.
Trading pattern
InsiderAlpha's records for Donald J. Herrema 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.
Most active insiders across the market
Donald J. Herrema has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- David A. Duffield - $186.00M in WDAY purchases and sales in the last 90 days
- Control Empresarial de Capitales S.A. de C.V. - $177.80M in PBF purchases and sales in the last 90 days
- J.H. Whitney Equity Partners VII, LLC - $169.58M in AVAH purchases and sales in the last 90 days
- Vyacheslav Kim - $158.37M in KSPI purchases and sales in the last 90 days
- John B. Hess - $157.37M in CVX purchases and sales in the last 90 days
- William D. Mosley - $150.90M in STX purchases and sales in the last 90 days
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Frequently asked questions
Who is Donald J. Herrema?
Donald J. Herrema is a corporate insider. InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Donald J. Herrema last file a Form 4?
The only primary Form 4 on record is dated 14 August 2026.
Learn more
No Form 4 transactions on record for Donald J. Herrema yet.
Filings appear here automatically as they arrive from SEC EDGAR.