Mark Greffen

Insider Reports History

Entity
Individual
Location
7303 30 St. S.E., Calgary, Alberta, Canada
Signature
/s/ Nandini Somayaji, as attorney-in-fact for Mark Greffen
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Mark Greffen:

Stock Role Class Num Shares Value Price $ Report Date Ownership
DIRTT ENVIRONMENTAL SOLUTIONS LTD Chief Technology Officer Common Shares 201K $70.3K $0.35 May 15, 2023 Direct

Insider Reports Filed by Mark Greffen

Symbol Company Period Transactions Value $ Form Type Date Filed Role
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD May 15, 2023 2 -$9.69K 4 May 17, 2023 Chief Technology Officer
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD Mar 1, 2023 6 -$20K 4 Mar 3, 2023 Chief Technology Officer
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD Nov 30, 2022 1 $3.72K 4 Dec 2, 2022 Chief Technology Officer
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD Jun 17, 2022 3 -$26.2K 4 Jun 21, 2022 Chief Technology Officer
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD Mar 1, 2022 7 -$40.2K 4 Mar 3, 2022 Chief Technology Officer
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD Sep 28, 2021 2 -$6.89K 4 Sep 30, 2021 Chief Technology Officer
DRTT DIRTT ENVIRONMENTAL SOLUTIONS LTD Jun 17, 2021 3 -$101K 4 Jun 22, 2021 Chief Technology Officer