Douglas Glenn Manner - Net Worth and Insider Trading
Douglas Glenn Manner Net Worth
The estimated net worth of Douglas Glenn Manner is at least $2 Million dollars as of 2025-05-19. Douglas Glenn Manner is the Director, Senior Officer of Sintana Energy Inc and owns about 3,925,000 shares of Sintana Energy Inc (TSXV:SEI) stock worth over $2 Million. Details can be seen in Douglas Glenn Manner's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Douglas Glenn Manner has not made any transactions after 2025-03-04 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Douglas Glenn Manner
Douglas Glenn Manner Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Douglas Glenn Manner owns 1 companies in total, including Sintana Energy Inc (TSXV:SEI) .
Click here to see the complete history of Douglas Glenn Manner’s form 4 insider trades.
Insider Ownership Summary of Douglas Glenn Manner
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
TSXV:SEI | Sintana Energy Inc | 2025-03-04 | Director & Senior Officer |
Douglas Glenn Manner Latest Holdings Summary
Douglas Glenn Manner currently owns a total of 1 stock. Douglas Glenn Manner owns 3,925,000 shares of Sintana Energy Inc (TSXV:SEI) as of March 4, 2025, with a value of $2 Million.
Latest Holdings of Douglas Glenn Manner
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
TSXV:SEI | Sintana Energy Inc | 2025-03-04 | 3,925,000 | 0.59 | 2,315,750 |
Holding Weightings of Douglas Glenn Manner
Douglas Glenn Manner Form 4 Trading Tracker
According to the SEC Form 4 filings, Douglas Glenn Manner has made a total of 7 transactions in Sintana Energy Inc (TSXV:SEI) over the past 5 years, including 0 buys and 7 sells. The most-recent trade in Sintana Energy Inc is the sale of 72,500 shares on March 4, 2025, which brought Douglas Glenn Manner around $50,750.
Insider Trading History of Douglas Glenn Manner
- 1
Douglas Glenn Manner Trading Performance
Douglas Glenn Manner Ownership Network
Ownership Network List of Douglas Glenn Manner
Ownership Network Relation of Douglas Glenn Manner

Douglas Glenn Manner Owned Company Details
What does Sintana Energy Inc do?
Who are the key executives at Sintana Energy Inc?
Douglas Glenn Manner is the Director & Senior Officer of Sintana Energy Inc. Other key executives at Sintana Energy Inc include Director & Director or Senior Officer of 10% Security Holder & Senior Officer Robert Bose , Senior Officer David Lewis Cherry , and Director & Senior Officer Keith Dean Spickelmier .
Sintana Energy Inc (TSXV:SEI) Insider Trades Summary
Over the past 18 months, Douglas Glenn Manner made 7 insider transaction in Sintana Energy Inc (TSXV:SEI) with a net sale of 1,103,525. Other recent insider transactions involving Sintana Energy Inc (TSXV:SEI) include a net sale of 683,333 shares made by David Lewis Cherry , a net sale of 698,260 shares made by Keith Dean Spickelmier , and a net sale of 522,666 shares made by Robert Bose .
In summary, during the past 3 months, insiders sold 586,166 shares of Sintana Energy Inc (TSXV:SEI) in total and bought 0 shares, with a net sale of 586,166 shares. During the past 18 months, 3,257,784 shares of Sintana Energy Inc (TSXV:SEI) were sold and 0 shares were bought by its insiders, resulting in a net sale of 3,257,784 shares.
Sintana Energy Inc (TSXV:SEI)'s detailed insider trading history can be found in Insider Trading Tracker table.
Sintana Energy Inc Insider Transactions
Douglas Glenn Manner Mailing Address
Above is the net worth, insider trading, and ownership report for Douglas Glenn Manner. Currently GuruFocus does not have mailing address information for Douglas Glenn Manner.