- Corporate Officers - R
- Richardson Nina
Insider Trading History of Richardson Nina
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Richardson Nina since 2016.
This trader's CIK number is 1610535.
At the time of last reporting, Richardson Nina was the Officer of Resideo Technologies, Inc.. (stock ticker symbol REZI).
Also see all insider trading activities at Resideo Technologies, Inc..
Note that in the past
Richardson Nina also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Resideo Technologies, Inc. (REZI) by Richardson Nina
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | REZI | 0 | $0 | 6,123 | $181,208 | 0 | $0 |
| 2024 | REZI | 0 | $0 | 5,578 | $118,978 | 0 | $0 |
| 2023 | REZI | 0 | $0 | 3,458 | $64,941 | 0 | $0 |
| 2021 | REZI | 0 | $0 | 2,120 | $62,815 | 5,578 | $0 |
| 2020 | REZI | 3,333 | $49,995 | 0 | $0 | 5,799 | $0 |
| 2019 | REZI | 4,920 | $49,790 | 0 | $0 | 5,578 | $0 |
Yearly summary of insider trading at Zayo Group Holdings, Inc. (ZAYO) by Richardson Nina
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | ZAYO | 0 | $0 | 1,278 | $45,259 | 6,281 | $0 |
| 2017 | ZAYO | 0 | $0 | 3,045 | $99,850 | 6,088 | $0 |
| 2016 | ZAYO | 0 | $0 | 3,801 | $102,132 | 7,600 | $0 |
Yearly summary of insider trading at Rackable Systems, Inc. (SGI) by Richardson Nina
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | SGI | 0 | $0 | 0 | $0 | 21,162 | $0 |
Yearly summary of insider trading at Cohu Inc (COHU) by Richardson Nina
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | COHU | 0 | $0 | 4,999 | $120,675 | 0 | $0 |
| 2023 | COHU | 0 | $0 | 2,036 | $69,346 | 0 | $0 |
| 2022 | COHU | 0 | $0 | 769 | $25,646 | 0 | $0 |
Yearly summary of insider trading at Eargo, Inc. (EAR) by Richardson Nina
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | EAR | 0 | $0 | 3,886 | $13,678 | 0 | $0 |
| 2021 | EAR | 0 | $0 | 6,500 | $77,935 | 0 | $0 |
Yearly summary of insider trading at Silicon Laboratories Inc. (SLAB) by Richardson Nina
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | SLAB | 0 | $0 | 1,412 | $229,110 | 0 | $0 |
| 2022 | SLAB | 0 | $0 | 1,824 | $257,195 | 0 | $0 |
| 2021 | SLAB | 0 | $0 | 830 | $123,188 | 0 | $0 |
| 2020 | SLAB | 0 | $0 | 775 | $67,084 | 0 | $0 |
| 2019 | SLAB | 0 | $0 | 913 | $83,457 | 0 | $0 |
| 2018 | SLAB | 0 | $0 | 1,351 | $143,543 | 0 | $0 |
| 2017 | SLAB | 0 | $0 | 1,669 | $120,752 | 0 | $0 |
Insider trading activities at 6 companies by Richardson Nina:
1. Resideo Technologies, Inc. (REZI)
2. Zayo Group Holdings, Inc. (ZAYO)
3. Rackable Systems, Inc. (SGI)
4. Cohu Inc (COHU)
5. Eargo, Inc. (EAR)
6. Silicon Laboratories Inc. (SLAB)
Table 1. Insider trading of Resideo Technologies, Inc. (REZI) by Richardson Nina
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-26 | REZI | Sale | 3,333 | 34.55 | 115,141 |
| 2025-07-07 | REZI | Sale | 2,790 | 23.68 | 66,067 |
| 2024-05-09 | REZI | Sale | 5,578 | 21.33 | 118,978 |
| 2023-03-03 | REZI | Sale | 3,458 | 18.78 | 64,941 |
| 2021-11-16 | REZI | Option Ex | 5,578 | .00 | 0 |
| 2021-07-12 | REZI | Sale | 2,120 | 29.63 | 62,815 |
| 2020-11-18 | REZI | Buy | 3,333 | 15.00 | 49,995 |
| 2020-06-12 | REZI | Option Ex | 5,799 | .00 | 0 |
| 2019-11-16 | REZI | Option Ex | 5,578 | .00 | 0 |
| 2019-11-18 | REZI | Buy | 4,920 | 10.12 | 49,790 |
Table 2. Insider trading of Zayo Group Holdings, Inc. (ZAYO) by Richardson Nina
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-09-28 | ZAYO | Option Ex | 1,813 | .00 | 0 |
| 2018-06-29 | ZAYO | Option Ex | 1,913 | .00 | 0 |
| 2018-03-31 | ZAYO | Option Ex | 1,245 | .00 | 0 |
| 2018-04-02 | ZAYO | Sale | 623 | 34.00 | 21,182 |
| 2018-01-02 | ZAYO | Sale | 655 | 36.76 | 24,077 |
| 2017-12-29 | ZAYO | Option Ex | 1,310 | .00 | 0 |
| 2017-10-02 | ZAYO | Sale | 721 | 34.47 | 24,852 |
| 2017-09-30 | ZAYO | Option Ex | 1,441 | .00 | 0 |
| 2017-07-05 | ZAYO | Sale | 747 | 30.83 | 23,030 |
| 2017-06-30 | ZAYO | Option Ex | 1,494 | .00 | 0 |
| 2017-03-31 | ZAYO | Option Ex | 1,491 | .00 | 0 |
| 2017-04-03 | ZAYO | Sale | 746 | 32.87 | 24,521 |
| 2017-01-03 | ZAYO | Sale | 831 | 33.03 | 27,447 |
| 2016-12-31 | ZAYO | Option Ex | 1,662 | .00 | 0 |
| 2016-10-03 | ZAYO | Sale | 907 | 29.49 | 26,747 |
| 2016-09-30 | ZAYO | Option Ex | 1,814 | .00 | 0 |
| 2016-07-01 | ZAYO | Sale | 1,025 | 27.86 | 28,556 |
| 2016-06-30 | ZAYO | Option Ex | 2,050 | .00 | 0 |
| 2016-04-04 | ZAYO | Sale | 939 | 24.28 | 22,798 |
| 2016-03-31 | ZAYO | Option Ex | 1,877 | .00 | 0 |
| 2015-12-31 | ZAYO | Option Ex | 1,859 | .00 | 0 |
| 2015-12-31 | ZAYO | Sale | 930 | 25.84 | 24,031 |
Table 3. Insider trading of Rackable Systems, Inc. (SGI) by Richardson Nina
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-10-24 | SGI | Option Ex | 21,162 | .00 | 0 |
Table 4. Insider trading of Cohu Inc (COHU) by Richardson Nina
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-10-10 | COHU | Sale | 4,999 | 24.14 | 120,675 |
| 2023-05-11 | COHU | Sale | 2,036 | 34.06 | 69,346 |
| 2022-11-01 | COHU | Sale | 769 | 33.35 | 25,646 |
Table 5. Insider trading of Eargo, Inc. (EAR) by Richardson Nina
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-03-14 | EAR | Sale | 3,886 | 3.52 | 13,678 |
| 2021-12-14 | EAR | Sale | 3,500 | 4.85 | 16,975 |
| 2021-09-14 | EAR | Sale | 3,000 | 20.32 | 60,960 |
Table 6. Insider trading of Silicon Laboratories Inc. (SLAB) by Richardson Nina
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-04-21 | SLAB | Sale | 500 | 166.38 | 83,190 |
| 2023-01-27 | SLAB | Sale | 912 | 160.00 | 145,920 |
| 2022-11-15 | SLAB | Sale | 1,351 | 145.00 | 195,895 |
| 2022-04-22 | SLAB | Sale | 473 | 129.60 | 61,300 |
| 2021-04-22 | SLAB | Sale | 830 | 148.42 | 123,188 |
| 2020-04-20 | SLAB | Sale | 775 | 86.56 | 67,084 |
| 2019-04-18 | SLAB | Sale | 913 | 91.41 | 83,457 |
| 2018-06-01 | SLAB | Sale | 1,351 | 106.25 | 143,543 |
| 2017-04-21 | SLAB | Sale | 1,669 | 72.35 | 120,752 |
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 Richardson Nina
(Officer of Resideo Technologies, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.