tiprankstipranks
TipRanksTop Financial ExpertsInsidersDavid Wallace Cornhill

David Wallace Cornhill Insider Profile

4 Followers
David Wallace Cornhill, Director at AltaGas, holds 1.63M shares in AltaGas (Ticker: ATGFF), holds 0.00 shares in Imperial Oil (Ticker: IMO), holds 105.00K shares in AltaGas Canada Inc (Ticker: TSE:ACI). Most recently, David Wallace Cornhill Bought ― shares of AltaGas on Nov 11, 2025 for an estimated value of $594.75K.
See the Hottest Stocks Based on Insider Trading >
tipranks
David Wallace Cornhill

David Wallace Cornhill
AltaGas (ATGFF)
Director

Ranked #5,931 out of 108,921 Corporate Insiders

Profitable Transactions

67%
12 out of 18 Profitable Transactions

Average Return

+20.40%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$62M
100.00%
0.00%
A breakdown of David Wallace Cornhill's holdings
See the Top Stocks by Insiders

Insider Roles

AltaGas
(ATGFF)
Director
Imperial Oil
(IMO)
Director
Roles that David Wallace Cornhill holds in companies
See the Top Corporate Insiders

Most Profitable Insider Trade

Stock:
AltaGas Canada Inc
(ACI)
Rating:Informative Buy
Date:Oct 31, 2018 - Oct 31, 2019
Return:+145.80%
The most profitable trade made by David Wallace Cornhill
See the Latest Stocks Traded by Insiders

David Wallace Cornhill's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
ATGFF
AltaGas
Nov 11, 2025
Director
Informative Buy
594.75K
$61.54M
ACI
AltaGas Canada Inc
Oct 31, 2018
―
Informative Buy
1.52M
C$3.52M
IMO
Imperial Oil
Oct 03, 2025
Director
Informative Sell
1.57M
$0.00
AXY
Alterra Power
Jan 25, 2017
―
Uninformative Sell
3.10K
C$339.65K
PDPYF
Painted Pony Petroleum
Apr 06, 2017
―
Informative Buy
582.40K
$89.66K
List of latest transactions for each holding click on a transaction to see David Wallace Cornhill's performance on stock
See All Insider Trading from Today

You May Also Like

Meet our Smart Portfolio. See what top analysts say about your stocks.Get a breakdown of the different strategies based on detected insider trading activity.Find the best performing Analyst in each sector. Follow them so you never miss a recommendation.

David Wallace Cornhill insider profile FAQ

What is the percentage of profitable transactions made by David Wallace Cornhill?
The percentage of profitable transactions made by David Wallace Cornhill is 67%.
    What is the average return per transaction made by David Wallace Cornhill?
    The average return per transaction made by David Wallace Cornhill is 20.40%.
      What stocks does David Wallace Cornhill hold?
      David Wallace Cornhill holds: ATGFF, TSE:ACI, IMO, TSE:AXY, PDPYF stocks.
        What was David Wallace Cornhill’s latest transaction?
        David Wallace Cornhill latest transaction was an Informative Buy of $594.75K.
          What was David Wallace Cornhill's most profitable transaction?
          David Wallace Cornhill’s most profitable transaction was an Informative Buy of TSE:ACI stock on October 31, 2018. The return on the trade was 145.80%.
            What is David Wallace Cornhill's role in AltaGas?
            David Wallace Cornhill's role in AltaGas is Director.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.