- Corporate Officers - D
- Duncan Ronald A
Insider Trading History of Duncan Ronald A
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Duncan Ronald A since 2015.
This trader's CIK number is 905853.
At the time of last reporting, Duncan Ronald A was the President and CEO of Gci Liberty, Inc.. (stock ticker symbol GLIBK).
Also see all insider trading activities at Gci Liberty, Inc..
Note that in the past
DUNCAN RONALD A also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Gci Liberty, Inc. (GLIBA) by Duncan Ronald A
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | GLIBA | 0 | $0 | 334,395 | $20,603,695 | 0 | $0 |
| 2019 | GLIBA | 0 | $0 | 100,500 | $6,258,650 | 4,654 | $0 |
| 2016 | GLIBA | 513,116 | $23,730 | 511,716 | $0 | 0 | $0 |
| 2015 | GLIBA | 0 | $0 | 0 | $0 | 150,000 | $798,000 |
Yearly summary of insider trading at Gci Liberty, Inc. (GLIBK) by Duncan Ronald A
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | GLIBK | 0 | $0 | 0 | $0 | 39,162 | $1,065,206 |
Insider trading activities at 2 companies by Duncan Ronald A:
1. Gci Liberty, Inc. (GLIBA)
2. Gci Liberty, Inc. (GLIBK)
Table 1. Insider trading of Gci Liberty, Inc. (GLIBA) by Duncan Ronald A
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-08-24 | GLIBA | Sale | 57,635 | 81.10 | 4,674,083 |
| 2020-08-25 | GLIBA | Sale | 21,096 | 81.24 | 1,713,754 |
| 2020-08-19 | GLIBA | Sale | 11,489 | 81.25 | 933,492 |
| 2020-05-14 | GLIBA | Sale | 64,363 | 61.03 | 3,927,880 |
| 2020-05-15 | GLIBA | Sale | 5,171 | 60.66 | 313,662 |
| 2020-03-23 | GLIBA | Sale | 24,641 | 42.29 | 1,042,117 |
| 2020-03-19 | GLIBA | Sale | 79,331 | 44.15 | 3,502,622 |
| 2020-03-20 | GLIBA | Sale | 20,669 | 43.72 | 903,586 |
| 2020-03-04 | GLIBA | Sale | 50,000 | 71.85 | 3,592,499 |
| 2019-09-11 | GLIBA | Sale | 50,000 | 63.76 | 3,188,200 |
| 2019-05-17 | GLIBA | Sale | 50,500 | 60.80 | 3,070,450 |
| 2019-03-08 | GLIBA | Option Ex | 4,654 | .00 | 0 |
| 2016-11-29 | GNCMA | Buy | 1,400 | 16.95 | 23,730 |
| 2016-03-07 | GNCMA | Buy | 511,716 | .00 | 0 |
| 2016-03-07 | GNCMA | Sale | 511,716 | .00 | 0 |
| 2015-11-10 | GNCMA | Option Ex | 150,000 | 5.32 | 798,000 |
Table 2. Insider trading of Gci Liberty, Inc. (GLIBK) by Duncan Ronald A
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-12-09 | GLIBK | Option Ex | 39,162 | 27.20 | 1,065,206 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Duncan Ronald A
(President and CEO of Gci Liberty, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.