- Corporate Officers - V
- Valentine Keith
Insider Trading History of Valentine Keith
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Valentine Keith since 2015.
This trader's CIK number is 1289408.
At the time of last reporting, Valentine Keith was the Officer of Alphatec Holdings, Inc.. (stock ticker symbol ATEC).
Also see all insider trading activities at Alphatec Holdings, Inc..
Note that in the past
Valentine Keith also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Nuvasive Inc (NUVA) by Valentine Keith
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | NUVA | 0 | $0 | 6,970 | $327,276 | 65,577 | $2,553,568 |
Yearly summary of insider trading at Seaspine Holdings Corp (SPNE) by Valentine Keith
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | SPNE | 0 | $0 | 0 | $0 | 46,168 | $0 |
| 2021 | SPNE | 0 | $0 | 0 | $0 | 47,399 | $0 |
| 2020 | SPNE | 0 | $0 | 0 | $0 | 71,155 | $0 |
| 2019 | SPNE | 20,000 | $222,399 | 0 | $0 | 63,366 | $0 |
| 2018 | SPNE | 0 | $0 | 0 | $0 | 35,938 | $0 |
| 2017 | SPNE | 0 | $0 | 0 | $0 | 40,038 | $0 |
| 2016 | SPNE | 35,000 | $276,550 | 0 | $0 | 0 | $0 |
| 2015 | SPNE | 65,100 | $997,887 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Alphatec Holdings, Inc. (ATEC) by Valentine Keith
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | ATEC | 135,000 | $996,191 | 0 | $0 | 0 | $0 |
| 2024 | ATEC | 39,000 | $255,450 | 0 | $0 | 0 | $0 |
Insider trading activities at 3 companies by Valentine Keith:
1. Nuvasive Inc (NUVA)
2. Seaspine Holdings Corp (SPNE)
3. Alphatec Holdings, Inc. (ATEC)
Table 1. Insider trading of Nuvasive Inc (NUVA) by Valentine Keith
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-01-27 | NUVA | Option Ex | 65,577 | 38.94 | 2,553,568 |
| 2015-01-28 | NUVA | Sale | 6,970 | 46.95 | 327,276 |
Table 2. Insider trading of Seaspine Holdings Corp (SPNE) by Valentine Keith
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-01-28 | SPNE | Option Ex | 26,196 | .00 | 0 |
| 2022-01-01 | SPNE | Option Ex | 19,972 | .00 | 0 |
| 2021-01-01 | SPNE | Option Ex | 47,399 | .00 | 0 |
| 2020-01-01 | SPNE | Option Ex | 71,155 | .00 | 0 |
| 2019-12-13 | SPNE | Buy | 20,000 | 11.12 | 222,399 |
| 2019-01-01 | SPNE | Option Ex | 63,366 | .00 | 0 |
| 2018-01-01 | SPNE | Option Ex | 35,938 | .00 | 0 |
| 2017-03-10 | SPNE | Option Ex | 40,038 | .00 | 0 |
| 2016-11-18 | SPNE | Buy | 25,000 | 7.00 | 175,000 |
| 2016-05-23 | SPNE | Buy | 5,000 | 10.06 | 50,300 |
| 2016-05-20 | SPNE | Buy | 5,000 | 10.25 | 51,250 |
| 2015-08-20 | SPNE | Buy | 12,225 | 15.38 | 188,020 |
| 2015-08-19 | SPNE | Buy | 17,661 | 15.31 | 270,389 |
| 2015-08-18 | SPNE | Buy | 35,214 | 15.32 | 539,478 |
Table 3. Insider trading of Alphatec Holdings, Inc. (ATEC) by Valentine Keith
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-05-08 | ATEC | Buy | 43,847 | 7.54 | 330,606 |
| 2026-05-11 | ATEC | Buy | 35,000 | 7.00 | 245,000 |
| 2026-05-07 | ATEC | Buy | 56,153 | 7.49 | 420,585 |
| 2024-08-02 | ATEC | Buy | 39,000 | 6.55 | 255,450 |
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 Valentine Keith
(Officer of Alphatec Holdings, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.