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Who

Christopher Bunka

Director

Company insider

Files Form 4 as: Chief Executive Officer, Lexaria Bioscience; President, Enertopia.

Every Form 4 they filed

In numbers

Trades disclosed
778
Buys
377
Sells
0
Bought
$2.5M
Sold
$0
Companies
2
Companies where not an officer
0
First trade
9 Nov 2006
Last trade
17 Mar 2026
Last filed
18 Mar 2026

Companies traded

Where they are an officer
LEXX Lexaria BioscienceDirector, Officer, 10% owner · Biotechnology · last 17 Mar 2026339 buys · 0 sells
EnertopiaDirector, Officer, 10% owner · last 17 Dec 201438 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
02Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
17 Mar 2026filed 18 Mar 2026LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Code G—100,000 at $0.00filing
17 Mar 2026filed 18 Mar 2026LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Code G—100,000 at $0.00filing
30 Jul 2025filed 30 Jul 2025LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$11K11,900 at $0.91filing
29 Jul 2025filed 30 Jul 2025LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$14K15,600 at $0.92filing
15 May 2025filed 16 May 2025LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—11,000 at $0.00filing
7 Jan 2025filed 10 Jan 2025LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Code A—100,000 at $0.00filing
26 Apr 2024filed 10 May 2024LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—49,500 at $0.00filing
26 Oct 2023filed 30 Oct 2023LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
13 Oct 2022filed 18 Oct 2022LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$35K16,600 at $2.10filing
13 Oct 2022filed 13 Oct 2022LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Code A$35K16,600 at $2.10filing
12 Oct 2022filed 18 Oct 2022LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$44K21,900 at $1.99filing
12 Oct 2022filed 13 Oct 2022LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Code A$44K21,900 at $1.99filing
29 Aug 2022filed 29 Aug 2022LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
1 Sep 2021filed 2 Sep 2021LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
8 Jun 2021filed 9 Jun 2021LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—23,334 at $0.00filing
7 May 2021filed 9 Jun 2021LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code J—23,334 at $0.00filing
26 Apr 2021filed 27 Apr 2021LEXX Lexaria Bioscienceoption or derivative · BiotechnologySEC FORM 4 Code A—26,000 at $0.00filing
10 Nov 2020filed 10 Nov 2020LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$2,00010,000 at $0.20filing
10 Nov 2020filed 10 Nov 2020LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$1,2006,000 at $0.20filing
10 Nov 2020filed 10 Nov 2020LEXX Lexaria BioscienceBiotechnologySEC FORM 4 Bought$4,84525,500 at $0.19filing

The newest 500 lines are listed; the numbers count every line.

News

No headline names them, or the companies they trade most, lately.

Sectors

Health Care339
Not placed38

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.