BillionToOne, Inc.

BLLN

CIK 0002070849 · last filing Jul 8, 2026

Insider signal

trades dated in the last 90 days · non-derivative only

26,250 bought / 40,967 sold

net −14,717 sh · −$4.93M

buys: 2
sells: 30
insiders active: 3

Filing tape

Filed Wed, Jul 8, 2026

Atay Oguzhan — Chairman and CEO · Director
−12,500 sh · $4.66M
- Exercised20,000Class A Common Stock@ $2.80→ 20,000 held
- Exercised6,250Class A Common Stock@ $2.80→ 26,250 held
- Sold1,320Class A Common Stock@ $118.49→ 24,930 held
- Sold3,639Class A Common Stock@ $119.37→ 21,291 held
- Sold1,828Class A Common Stock@ $120.66→ 19,463 held
- Sold1,115Class A Common Stock@ $121.84→ 18,348 held
- Sold6,223Class A Common Stock@ $123.07→ 12,125 held
- Sold5,253Class A Common Stock@ $123.81→ 6,872 held
- Sold622Class A Common Stock@ $124.61→ 6,250 held
- Sold412Class A Common Stock@ $118.49→ 5,838 held
- Sold1,138Class A Common Stock@ $119.36→ 4,700 held
- Sold570Class A Common Stock@ $120.66→ 4,130 held
- Sold349Class A Common Stock@ $121.84→ 3,781 held
- Sold1,945Class A Common Stock@ $123.07→ 1,836 held
- Sold1,642Class A Common Stock@ $123.81→ 194 held
- Sold194Class A Common Stock@ $124.61→ 0 held
- Sold1,034Class A Common Stock@ $118.81→ 186,466 held
- Sold591Class A Common Stock@ $119.67→ 185,875 held
- Sold444Class A Common Stock@ $120.69→ 185,431 held
- Sold587Class A Common Stock@ $122.08→ 184,844 held
- Sold2,323Class A Common Stock@ $123.25→ 182,521 held
- Sold1,221Class A Common Stock@ $124.04→ 181,300 held
- Sold50Class A Common Stock@ $124.74→ 181,250 held
- Sold1,034Class A Common Stock@ $118.81→ 180,216 held
- Sold591Class A Common Stock@ $119.67→ 179,625 held
- Sold444Class A Common Stock@ $120.69→ 179,181 held
- Sold586Class A Common Stock@ $122.08→ 178,595 held
- Sold2,324Class A Common Stock@ $123.25→ 176,271 held
- Sold1,221Class A Common Stock@ $124.04→ 175,050 held
- Sold50Class A Common Stock@ $124.74→ 175,000 held
- Exercised20,000Stock Option (right to buy)@ $2.80→ 593,750 held
- Exercised6,250Stock Option (right to buy)@ $2.80→ 587,500 held

Filed Mon, Jul 6, 2026

Johnson Nancy JoAnn — See Remarks
−801 sh · $100.1K
- Sold801Class A Common Stock@ $124.91→ 21,099 held

Filed Wed, Jul 1, 2026

ten Bosch John Roderick — SVP of Laboratory Operations
−1,416 sh · $169.9K
- Sold1,416Class A Common Stock@ $120.00→ 33,552 held

Insiders on this tape

Atay OguzhanChairman and CEO · Director
Johnson Nancy JoAnnSee Remarks
ten Bosch John RoderickSVP of Laboratory Operations

Informational data only — not investment advice.

The institutional holdings shown here are aggregated from third-party public regulatory filings (such as SEC Form 13F). These filings are reported with a delay (generally up to 45 days after each quarter-end), are backward-looking, and may exclude short positions, non-U.S. holdings, cash, and other assets. The data may contain errors, omissions, misclassifications, or gaps, and may not reflect a manager's current positions.

All figures are provided on an "as is" basis for general information only. Nothing on this page is financial, investment, or trading advice, a recommendation, or an endorsement of any security, manager, or strategy. Do not rely on it. Independently verify any figure against the original filings and consult a qualified professional before making any financial decision. Your use is subject to our Terms of Service.