Standard Biotools's top three insider shareholders as of June 18, 2026 are Eli Casdin (Director, 21.54Mn shares), Partners Lp Caligan (TenPercentOwner, 8.47Mn shares), Partners Lp Caligan (TenPercentOwner, 7.80Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Vikram Jog | Chief Financial Officer | 217,622 | 0 | 23 Feb, 2023 |
| Fenel M Eloi | - | 236,183 | 0 | 24 Jun, 2025 |
| Kathy L Hibbs | - | 137,720 | 0 | 24 Jun, 2025 |
| Nicolas Barthelemy | - | 0 | 204,077 | 04 Apr, 2022 |
| Gerhard F Burbach | - | 96,827 | 0 | 17 Jun, 2022 |
| Martin D Madaus | - | 104,111 | 0 | 20 Oct, 2023 |
| Laura Clague | - | 104,791 | 0 | 16 Jun, 2023 |
| Jeffrey G. Black | Svp Chief Financial Officer | 421,608 | 0 | 05 Sep, 2024 |
| Frank Witney | - | 210,862 | 0 | 24 Jun, 2025 |
| Eli Casdin | - | 0 | 21,538,744 | 09 Jan, 2024 |
| Partners Master Fund, L.P. Casdin | - | 0 | 1,200,000 | 19 May, 2023 |
| Michael Egholm | President Ceo | 6,695,582 | 0 | 08 Apr, 2026 |
| Thomas D. Carey | - | 245,340 | 0 | 02 Mar, 2026 |
| Nicholas Khadder | Svp, Gen. Counsel Secretary | 100,480 | 0 | 03 Jun, 2022 |
| Carlos V Paya | - | 126,844 | 0 | 16 Jun, 2023 |
| Stephen Christopher Linthwaite | President Ceo | 328,473 | 0 | 24 Feb, 2022 |
| Troy Cox | - | 376,586 | 0 | 02 Mar, 2026 |
| Partners Lp Caligan | - | 0 | 8,467,920 | 03 Jul, 2023 |
| Bradley Allen Kreger | Svp, Global Operations | 119,157 | 0 | 23 May, 2022 |
| Colin Mccracken | Chief Commercial Officer | 65,103 | 0 | 24 Feb, 2022 |
| Bill Colston | - | 59,288 | 0 | 17 Jun, 2022 |
| Sean Mackay | Svp Chief Business Officer | 1,032,281 | 0 | 08 Apr, 2026 |
| Hanjoon Alex Kim | Chief Financial Officer | 2,779,401 | 0 | 08 Apr, 2026 |
| Jeremy Steven Davis | Svp Chief Commercial Officer | 14,657 | 0 | 23 Feb, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 20 Mar, 2026 | Hanjoon Alex Kim | Common Stock | A | 323,173 | $0.00 | 2,730,519 | D | A |
| 20 Mar, 2026 | Sean Mackay | Common Stock | A | 272,107 | $0.00 | 1,032,281 | D | A |
| 20 Mar, 2026 | Michael Egholm | Common Stock | A | 1,042,373 | $0.00 | 6,594,083 | D | A |
| 06 Apr, 2026 | Hanjoon Alex Kim | Common Stock | A | 70,183 | $0.00 | 2,800,702 | D | M |
| 20 Mar, 2026 | Sean Mackay | Stock Option (Right to buy) | A | 612,240 | $0.00 | 612,240 | D | A |
| 06 Apr, 2026 | Michael Egholm | Common Stock | A | 196,513 | $0.00 | 6,790,596 | D | M |
| 06 Apr, 2026 | Michael Egholm | Common Stock | D | 95,014 | $0.91 | 6,695,582 | D | F |
| 06 Apr, 2026 | Hanjoon Alex Kim | Common Stock | D | 21,301 | $0.91 | 2,779,401 | D | F |
| 20 Mar, 2026 | Michael Egholm | Stock Option (Right to buy) | A | 2,345,340 | $0.00 | 2,345,340 | D | A |
| 20 Mar, 2026 | Hanjoon Alex Kim | Stock Option (Right to buy) | A | 727,140 | $0.00 | 727,140 | D | A |
| 06 Apr, 2026 | Hanjoon Alex Kim | Restricted Stock Units | D | 70,183 | $0.00 | 0 | D | M |
| 06 Apr, 2026 | Michael Egholm | Restricted Stock Units | D | 196,513 | $0.00 | 0 | D | M |
| 26 Feb, 2026 | Eli Casdin | Common Stock | A | 52,991 | $1.17 | 2,954,053 | D | A |
| 26 Feb, 2026 | Troy Cox | Common Stock | A | 57,264 | $1.17 | 376,586 | D | A |
| 26 Feb, 2026 | Thomas D. Carey | Common Stock | A | 51,282 | $1.17 | 245,340 | D | A |
| 23 Feb, 2026 | Sean Mackay | Common Stock | D | 19,661 | $1.15 | 760,174 | D | F |
| 23 Feb, 2026 | Michael Egholm | Common Stock | D | 66,127 | $1.15 | 5,551,710 | D | F |
| 23 Feb, 2026 | Hanjoon Alex Kim | Common Stock | D | 12,740 | $1.15 | 2,407,346 | D | F |
| 20 Nov, 2025 | Hanjoon Alex Kim | Common Stock | D | 12,739 | $1.28 | 2,415,086 | D | F |
| 20 Nov, 2025 | Sean Mackay | Common Stock | D | 19,661 | $1.28 | 779,835 | D | F |