Christopher Bunka - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Christopher Bunka is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $25K.
Profile
Christopher Bunka is Director at Lexaria Bioscience Corp. (LEXX). Bunka has reported 3 insider filings with the SEC since 2025. The most recent filing was in March 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Lexaria Bioscience Corp.
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Christopher Bunka go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $13K (2 buys totaling $25K). The largest single buy on record is $14K of LEXX in 2025. 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.
Career & Filing History
Every role Christopher Bunka has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at Lexaria Bioscience Corp. (LEXX) - 3 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-18 | LEXX | Lexaria Bioscience Corp. | G - Bona-fide gift | 100.0K | $0.00 | |
| 2025-07-30 | LEXX | Lexaria Bioscience Corp. | P - Open-market purchase | 11.9K | $0.91 | $11K |
| 2025-07-30 | LEXX | Lexaria Bioscience Corp. | P - Open-market purchase | 15.6K | $0.92 | $14K |
Most Active Insiders Right Now
Christopher Bunka has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Jonathan H. Cohen
- Ryan Cohen
- Charles K. Cohn
- Coliseum Capital Management, LLC
- Column Group IV GP, LP
- Connect Midstream, LLC
- CONSTELLATION SOFTWARE INC
- Lisa A. Conte
Frequently Asked Questions
Who is Christopher Bunka?
Christopher Bunka is Director at Lexaria Bioscience Corp. (LEXX). Bunka has reported 3 insider filings with the SEC since 2025. The most recent filing was in March 2026.…
Has Christopher Bunka been buying or selling stock?
Recorded transactions: 2 open-market purchases ($25K) and 0 open-market sales across all tracked filings.
Where can I see all of Christopher Bunka'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.
Learn More
Open the live Christopher Bunka profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.