- Corporate Officers - R
- Richstone Ellen B
Insider Trading History of Richstone Ellen B
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Richstone Ellen B since 2017.
This trader's CIK number is 1281526.
At the time of last reporting, Richstone Ellen B was the Officer of Superior Industries International Inc. (stock ticker symbol SUP).
Also see all insider trading activities at Superior Industries International Inc.
Note that in the past
RICHSTONE ELLEN B also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Superior Industries International Inc (SUP) by Richstone Ellen B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | SUP | 0 | $0 | 0 | $0 | 37,338 | $0 |
| 2024 | SUP | 0 | $0 | 0 | $0 | 33,207 | $0 |
| 2023 | SUP | 0 | $0 | 0 | $0 | 30,303 | $0 |
| 2022 | SUP | 0 | $0 | 0 | $0 | 15,577 | $0 |
| 2021 | SUP | 0 | $0 | 0 | $0 | 20,000 | $0 |
| 2020 | SUP | 0 | $0 | 0 | $0 | 16,779 | $0 |
| 2019 | SUP | 18,000 | $51,210 | 0 | $0 | 6,873 | $0 |
| 2018 | SUP | 10,000 | $79,100 | 0 | $0 | 4,259 | $0 |
Yearly summary of insider trading at Emagin Corp (EMAN) by Richstone Ellen B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | EMAN | 0 | $0 | 0 | $0 | 11,114 | $0 |
| 2018 | EMAN | 18,519 | $25,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Bioamber Inc. (BIOA) by Richstone Ellen B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | BIOA | 13,333 | $0 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Orion Energy Systems, Inc. (OESX) by Richstone Ellen B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | OESX | 46,874 | $40,740 | 0 | $0 | 0 | $0 |
| 2024 | OESX | 20,000 | $22,900 | 0 | $0 | 0 | $0 |
| 2023 | OESX | 55,000 | $72,912 | 0 | $0 | 0 | $0 |
| 2018 | OESX | 33,500 | $29,766 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Cognition Therapeutics Inc (CGTX) by Richstone Ellen B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | CGTX | 10,000 | $26,549 | 0 | $0 | 0 | $0 |
Insider trading activities at 5 companies by Richstone Ellen B:
1. Superior Industries International Inc (SUP)
2. Emagin Corp (EMAN)
3. Bioamber Inc. (BIOA)
4. Orion Energy Systems, Inc. (OESX)
5. Cognition Therapeutics Inc (CGTX)
Table 1. Insider trading of Superior Industries International Inc (SUP) by Richstone Ellen B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-22 | SUP | Option Ex | 37,338 | .00 | 0 |
| 2024-05-19 | SUP | Option Ex | 33,207 | .00 | 0 |
| 2023-04-28 | SUP | Option Ex | 30,303 | .00 | 0 |
| 2022-05-25 | SUP | Option Ex | 15,577 | .00 | 0 |
| 2021-06-22 | SUP | Option Ex | 20,000 | .00 | 0 |
| 2020-04-23 | SUP | Option Ex | 16,779 | .00 | 0 |
| 2019-08-12 | SUP | Buy | 18,000 | 2.85 | 51,210 |
| 2019-04-19 | SUP | Option Ex | 6,873 | .00 | 0 |
| 2018-11-20 | SUP | Buy | 10,000 | 7.91 | 79,100 |
| 2018-07-26 | SUP | Option Ex | 1,229 | .00 | 0 |
| 2018-04-25 | SUP | Option Ex | 3,030 | .00 | 0 |
Table 2. Insider trading of Emagin Corp (EMAN) by Richstone Ellen B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-10-18 | EMAN | Option Ex | 5,557 | .00 | 0 |
| 2023-06-09 | EMAN | Option Ex | 5,557 | .00 | 0 |
| 2018-02-15 | EMAN | Buy | 18,519 | 1.35 | 25,000 |
Table 3. Insider trading of Bioamber Inc. (BIOA) by Richstone Ellen B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-08-15 | BIOA | Buy | 13,333 | .00 | 0 |
Table 4. Insider trading of Orion Energy Systems, Inc. (OESX) by Richstone Ellen B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-02-21 | OESX | Buy | 20,000 | .91 | 18,220 |
| 2025-02-19 | OESX | Buy | 13,000 | .84 | 10,881 |
| 2025-02-20 | OESX | Buy | 874 | .88 | 771 |
| 2025-02-18 | OESX | Buy | 13,000 | .84 | 10,868 |
| 2024-06-14 | OESX | Buy | 20,000 | 1.15 | 22,900 |
| 2023-11-29 | OESX | Buy | 30,000 | .93 | 27,900 |
| 2023-06-12 | OESX | Buy | 8,185 | 1.85 | 15,166 |
| 2023-06-09 | OESX | Buy | 16,815 | 1.77 | 29,846 |
| 2018-06-12 | OESX | Buy | 10,000 | .96 | 9,650 |
| 2018-02-26 | OESX | Buy | 23,500 | .86 | 20,116 |
Table 5. Insider trading of Cognition Therapeutics Inc (CGTX) by Richstone Ellen B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-11-29 | CGTX | Buy | 10,000 | 2.65 | 26,549 |
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 Richstone Ellen B
(Officer of Superior Industries International Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.