The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Horn David R. since 2021.
This trader's CIK number is 1834217.
At the time of last reporting, Horn David R. was the PRESIDENT & CFO of Seer, Inc.. (stock ticker symbol SEER).
Also see all insider trading activities at Seer, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | SEER | 0 | $0 | 17,137 | $35,922 | 0 | $0 |
| 2024 | SEER | 0 | $0 | 16,292 | $26,042 | 0 | $0 |
| 2023 | SEER | 0 | $0 | 11,677 | $54,786 | 0 | $0 |
| 2022 | SEER | 0 | $0 | 24,136 | $227,937 | 0 | $0 |
| 2021 | SEER | 0 | $0 | 86,273 | $2,576,935 | 88,818 | $261,998 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-20 | SEER | Sale | 6,827 | 2.04 | 13,954 |
| 2025-05-20 | SEER | Sale | 6,760 | 2.08 | 14,027 |
| 2025-02-04 | SEER | Sale | 3,550 | 2.24 | 7,941 |
| 2024-02-22 | SEER | Sale | 12,684 | 1.58 | 20,028 |
| 2024-02-05 | SEER | Sale | 3,608 | 1.67 | 6,014 |
| 2023-02-21 | SEER | Sale | 5,951 | 4.13 | 24,607 |
| 2023-02-07 | SEER | Sale | 3,124 | 5.40 | 16,860 |
| 2023-01-17 | SEER | Sale | 2,602 | 5.12 | 13,319 |
| 2022-12-08 | SEER | Sale | 18,884 | 6.57 | 124,067 |
| 2022-02-02 | SEER | Sale | 2,944 | 17.40 | 51,225 |
| 2022-01-03 | SEER | Sale | 2,308 | 22.81 | 52,645 |
| 2021-12-07 | SEER | Option Ex | 28,818 | 3.47 | 99,998 |
| 2021-12-06 | SEER | Sale | 26,273 | 20.26 | 532,185 |
| 2021-11-01 | SEER | Sale | 10,000 | 37.87 | 378,670 |
| 2021-11-01 | SEER | Option Ex | 10,000 | 2.70 | 27,000 |
| 2021-10-01 | SEER | Option Ex | 10,000 | 2.70 | 27,000 |
| 2021-10-01 | SEER | Sale | 10,000 | 33.84 | 338,440 |
| 2021-09-01 | SEER | Option Ex | 10,000 | 2.70 | 27,000 |
| 2021-09-01 | SEER | Sale | 10,000 | 39.77 | 397,650 |
| 2021-08-02 | SEER | Sale | 10,000 | 31.31 | 313,130 |
| 2021-08-02 | SEER | Option Ex | 10,000 | 2.70 | 27,000 |
| 2021-07-01 | SEER | Option Ex | 10,000 | 2.70 | 27,000 |
| 2021-07-01 | SEER | Sale | 10,000 | 31.59 | 315,910 |
| 2021-06-02 | SEER | Sale | 10,000 | 30.09 | 300,950 |
| 2021-06-02 | SEER | Option Ex | 10,000 | 2.70 | 27,000 |
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 Horn David R. (PRESIDENT & CFO of Seer, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.