Horn R. David's most recent trade in Seer Inc - Ordinary Shares - Class A was a trade of 6,797 Class A Common Stock done at an average price of $2.0 . Disclosure was reported to the exchange on Nov. 19, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Seer Inc (Class A) | David R. Horn | PRESIDENT & CFO | Sale of securities on an exchange or to another person at price $ 1.97 per share. | 19 Nov 2025 | 6,797 | 436,802 | - | 2.0 | 13,400 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | PRESIDENT & CFO | Sale of securities on an exchange or to another person at price $ 2.04 per share. | 20 Aug 2025 | 6,827 | 436,802 | - | 2.0 | 13,955 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | PRESIDENT & CFO | Sale of securities on an exchange or to another person at price $ 2.08 per share. | 20 May 2025 | 6,760 | 443,629 | - | 2.1 | 14,028 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | PRESIDENT & CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 2.30 per share. | 18 Feb 2025 | 26,572 | 450,389 | - | 2.3 | 61,116 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | PRESIDENT & CFO | Sale of securities on an exchange or to another person at price $ 2.24 per share. | 04 Feb 2025 | 3,550 | 476,961 | - | 2.2 | 7,940 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 566,460 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 566,460 | 566,460 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 140,662 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 140,662 | 140,662 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 140,000 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 140,000 | 140,000 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 135,100 | 135,100 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 135,100 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 124,000 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 124,000 | 124,000 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 34,125 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 34,125 | 34,125 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 87 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 87 | 87 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Oct 2024 | 20 | 0 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | President & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Oct 2024 | 20 | 20 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | Horn R. David | PRESIDENT & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Feb 2024 | 165,038 | 493,195 | - | 0 | Class A Common Stock | |
| Seer Inc (Class A) | R. David Horn | PRESIDENT & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Feb 2024 | 142,557 | 142,557 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | PRESIDENT & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Feb 2024 | 140,000 | 140,000 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | Horn R. David | PRESIDENT & CFO | Sale of securities on an exchange or to another person at price $ 1.58 per share. | 06 Feb 2024 | 12,684 | 480,511 | - | 1.6 | 20,024 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | President and CFO | Sale of securities on an exchange or to another person at price $ 1.67 per share. | 05 Feb 2024 | 3,608 | 328,157 | - | 1.7 | 6,015 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 4.13 per share. | 21 Feb 2023 | 5,951 | 331,765 | - | 4.1 | 24,606 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2023 | 140,000 | 140,000 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2023 | 70,000 | 337,716 | - | 0 | Class A Common Stock | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 5.40 per share. | 07 Feb 2023 | 3,124 | 267,716 | - | 5.4 | 16,861 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 5.12 per share. | 17 Jan 2023 | 2,602 | 270,840 | - | 5.1 | 13,320 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 6.57 per share. | 07 Dec 2022 | 18,884 | 273,442 | - | 6.6 | 124,070 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Feb 2022 | 124,000 | 124,000 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Feb 2022 | 62,000 | 291,158 | - | 0 | Class A Common Stock | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 22.81 per share. | 03 Jan 2022 | 2,308 | 232,102 | - | 22.8 | 52,645 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Dec 2021 | 28,818 | 140,682 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 3.47 per share. | 06 Dec 2021 | 28,818 | 234,410 | - | 3.5 | 99,998 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 20.26 per share. | 06 Dec 2021 | 26,273 | 205,592 | - | 20.3 | 532,183 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Nov 2021 | 10,000 | 566,547 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.70 per share. | 01 Nov 2021 | 10,000 | 240,966 | - | 2.7 | 27,000 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 37.46 per share. | 01 Nov 2021 | 6,112 | 234,854 | - | 37.5 | 228,929 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 38.28 per share. | 01 Nov 2021 | 3,888 | 230,966 | - | 38.3 | 148,828 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Oct 2021 | 10,000 | 576,547 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.70 per share. | 01 Oct 2021 | 10,000 | 240,966 | - | 2.7 | 27,000 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 34.27 per share. | 01 Oct 2021 | 5,036 | 230,966 | - | 34.3 | 172,580 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 33.42 per share. | 01 Oct 2021 | 4,964 | 236,002 | - | 33.4 | 165,885 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.70 per share. | 01 Sep 2021 | 10,000 | 240,966 | - | 2.7 | 27,000 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Sep 2021 | 10,000 | 586,547 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 39.54 per share. | 01 Sep 2021 | 9,299 | 231,667 | - | 39.5 | 367,722 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 39.99 per share. | 01 Sep 2021 | 701 | 230,966 | - | 40.0 | 28,030 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 Aug 2021 | 10,000 | 596,547 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.70 per share. | 02 Aug 2021 | 10,000 | 240,966 | - | 2.7 | 27,000 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 31.11 per share. | 02 Aug 2021 | 7,903 | 233,063 | - | 31.1 | 245,847 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 31.52 per share. | 02 Aug 2021 | 2,097 | 230,966 | - | 31.5 | 66,091 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 30.10 per share. | 02 Jun 2021 | 10,000 | 230,966 | - | 30.1 | 300,951 | Class A Common Stock |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 Jun 2021 | 10,000 | 616,547 | - | - | Employee Stock Option (right to buy) | |
| Seer Inc (Class A) | David R. Horn | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 2.70 per share. | 02 Jun 2021 | 10,000 | 240,966 | - | 2.7 | 27,000 | Class A Common Stock |