PRME Insider Transactions
292 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
PRME insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Alphabet Inc. | TenPercentOwner | 2025-08-01 | Purchase | 1,500,000.0 | $3.3 |
| GV 2021, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 1,500,000.0 | $3.3 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2025-08-01 | Purchase | 1,500,000.0 | $3.3 |
| GV 2021 GP, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 1,500,000.0 | $3.3 |
| NELSEN ROBERT | Director,TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Fund XII, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Partners XII, LLC | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Partners XII, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| CRANDELL KEITH | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| GILLIS STEVEN | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| Burow Kristina | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Fund X, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Fund X Overage, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Partners X Overage, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Partners X, LLC | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| ARCH Venture Partners X, L.P. | TenPercentOwner | 2025-08-01 | Purchase | 3,030,300.0 | $3.3 |
| Liu David R. | TenPercentOwner | 2025-06-30 | Purchase | 21,000.0 | $2.52 |
| Liu David R. | TenPercentOwner | 2025-06-23 | Purchase | 21,000.0 | $2.16 |
| Liu David R. | TenPercentOwner | 2025-06-16 | Purchase | 21,000.0 | $1.49 |
| Liu David R. | TenPercentOwner | 2025-06-11 | Purchase | 21,000.0 | $1.6 |
| LEE ANN L. | Chief Technical Officer | 2025-05-21 | Purchase | 100,000.0 | $1.13 |
| Reine Allan | Chief Executive Officer | 2025-05-21 | Purchase | 125,000.0 | $1.18 |
| Brudnick Richard | Chief Business Officer | 2025-05-20 | Purchase | 20,000.0 | $1.19 |
| NELSEN ROBERT | Director,TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Fund XII, L.P. | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Partners XII, LLC | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Partners XII, L.P. | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| CRANDELL KEITH | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| GILLIS STEVEN | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| Burow Kristina | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Fund X, L.P. | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Fund X Overage, L.P. | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Partners X Overage, L.P. | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Partners X, LLC | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| ARCH Venture Partners X, L.P. | TenPercentOwner | 2024-02-15 | Purchase | 3,200,000.0 | $6.25 |
| Alphabet Inc. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-21 | Sale | 19,003.0 | $14.97 |
| Alphabet Inc. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-20 | Sale | 37,405.0 | $15.06 |
| Alphabet Inc. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-16 | Sale | 6,532.0 | $15.02 |
| Alphabet Inc. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-15 | Sale | 66,659.0 | $14.92 |
| Alphabet Inc. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-14 | Sale | 28,960.0 | $14.87 |
| Alphabet Inc. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-13 | Sale | 28,100.0 | $15.13 |
| Alphabet Inc. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-12 | Sale | 16,031.0 | $14.98 |
| Alphabet Inc. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-09 | Sale | 15,672.0 | $14.48 |
| Alphabet Inc. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| GV 2019 GP, L.P. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| GV 2019, L.P. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| GV 2021, L.P. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| GV 2021 GP, L.L.C. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| GV 2021 GP, L.P. | TenPercentOwner | 2023-06-08 | Sale | 5,000.0 | $15.74 |
| Alphabet Inc. | TenPercentOwner | 2023-06-07 | Sale | 15,000.0 | $16.92 |
| GV 2019 GP, L.L.C. | TenPercentOwner | 2023-06-07 | Sale | 15,000.0 | $16.92 |