Summary
Updated Aug 31, 2026
Sophia D. Langlois has 4 SEC Form 4 filings on record going back to 2025, most recently on 18 July 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Sophia D. Langlois has reported, most recent first.
- Keenova Therapeutics plcF - Tax withholding / forfeiture
1.3K shares @ --
- Keenova Therapeutics plcM - Option exercise
2.7K shares @ --
Trading Pattern
InsiderAlpha's records for Sophia D. Langlois go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
Sophia D. Langlois has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- BBRC INTERNATIONAL PTE LTD - $212.35M of VSXY open-market activity in the last 90 days
- Peter A. Feld - $192.29M of QRVO open-market activity in the last 90 days
- Nathan Blecharczyk - $190.48M of ABNB open-market activity in the last 90 days
- John Oyler - $189.61M of ONC open-market activity in the last 90 days
- WBR Holdings LLC - $177.14M of WBI open-market activity in the last 90 days
- David N. Capobianco - $177.14M of WBI open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Sophia D. Langlois?
Sophia D. Langlois is a corporate insider, tracked as Director. InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Sophia D. Langlois last file a Form 4?
The most recent primary Form 4 on record is dated 18 July 2026, one of 4 filings going back to 2025.
Where can I see all of Sophia D. Langlois's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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