- Corporate Officers - H
- Higashi Emiko
Insider Trading History of Higashi Emiko
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Higashi Emiko since 2016.
This trader's CIK number is 1318086.
At the time of last reporting, Higashi Emiko was the Officer of Rambus Inc. (stock ticker symbol RMBS).
Also see all insider trading activities at Rambus Inc.
Note that in the past
Higashi Emiko also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Rambus Inc (RMBS) by Higashi Emiko
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | RMBS | 0 | $0 | 2,186 | $166,906 | 0 | $0 |
| 2023 | RMBS | 0 | $0 | 8,000 | $480,000 | 0 | $0 |
Yearly summary of insider trading at Kla Corp (KLAC) by Higashi Emiko
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | KLAC | 0 | $0 | 0 | $0 | 2,324 | $0 |
| 2019 | KLAC | 0 | $0 | 2,141 | $251,417 | 4,144 | $0 |
| 2018 | KLAC | 0 | $0 | 5,150 | $593,681 | 3,804 | $0 |
| 2017 | KLAC | 0 | $0 | 1,000 | $105,630 | 4,282 | $0 |
Yearly summary of insider trading at Invensense Inc (INVN) by Higashi Emiko
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | INVN | 0 | $0 | 0 | $0 | 20,450 | $0 |
| 2016 | INVN | 0 | $0 | 0 | $0 | 2,255 | $0 |
Insider trading activities at 3 companies by Higashi Emiko:
1. Rambus Inc (RMBS)
2. Kla Corp (KLAC)
3. Invensense Inc (INVN)
Table 1. Insider trading of Rambus Inc (RMBS) by Higashi Emiko
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-13 | RMBS | Sale | 1,075 | 77.75 | 83,581 |
| 2025-08-04 | RMBS | Sale | 1,111 | 75.00 | 83,325 |
| 2023-11-08 | RMBS | Sale | 8,000 | 60.00 | 480,000 |
Table 2. Insider trading of Kla Corp (KLAC) by Higashi Emiko
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-11-04 | KLAC | Option Ex | 2,324 | .00 | 0 |
| 2019-11-05 | KLAC | Option Ex | 4,144 | .00 | 0 |
| 2019-03-12 | KLAC | Sale | 2,141 | 117.43 | 251,417 |
| 2018-11-01 | KLAC | Option Ex | 3,804 | .00 | 0 |
| 2018-02-01 | KLAC | Sale | 500 | 109.27 | 54,635 |
| 2018-01-25 | KLAC | Sale | 1,775 | 120.00 | 213,000 |
| 2018-01-18 | KLAC | Sale | 2,375 | 115.00 | 273,125 |
| 2018-01-02 | KLAC | Sale | 500 | 105.84 | 52,921 |
| 2017-12-01 | KLAC | Sale | 500 | 101.26 | 50,630 |
| 2017-11-01 | KLAC | Option Ex | 2,141 | .00 | 0 |
| 2017-11-02 | KLAC | Option Ex | 2,141 | .00 | 0 |
| 2017-11-01 | KLAC | Sale | 500 | 110.00 | 55,000 |
Table 3. Insider trading of Invensense Inc (INVN) by Higashi Emiko
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-02-07 | INVN | Option Ex | 20,450 | .00 | 0 |
| 2016-02-01 | INVN | Option Ex | 2,255 | .00 | 0 |
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 Higashi Emiko
(Officer of Rambus Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.