Form 4 for BLLN BillionToOne, Inc.
Accepted 2026-06-10 20:36:25 ET · period of report 2026-06-08 · accession 0002070849-26-000036 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-06-10 20:36 | 2026-06-08+ | BLLN | Johnson Nancy JoAnn | See Remarks | S - Sale | $100.18 | -14.0K | 21.9K | -39% | -$1.40M |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-06-08 | S | D | 2,918 | $99.09 | 32,982 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F2) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.900 to $99.690 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 2 | Common | Class A Common Stock | 2026-06-08 | S | D | 300 | $100.05 | 32,682 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F3) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.960 to $100.220 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 3 | Common | Class A Common Stock | 2026-06-08 | S | D | 200 | $100.98 | 32,482 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F4) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.980 to $100.990 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 4 | Common | Class A Common Stock | 2026-06-09 | S | D | 4,666 | $99.27 | 27,816 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F5) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.900 to $99.870 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 5 | Common | Class A Common Stock | 2026-06-09 | S | D | 2,700 | $101.38 | 25,116 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F6) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.990 to $101.710 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 6 | Common | Class A Common Stock | 2026-06-09 | S | D | 1,816 | $102.34 | 23,300 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F7) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.990 to $102.570 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 7 | Common | Class A Common Stock | 2026-06-09 | S | D | 1,400 | $100.31 | 21,900 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. (F8) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.990 to $100.720 per share, inclusive. The holder undertakes to provide, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |