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Home/Companies/BillionToOne, Inc.

BillionToOne, Inc.

419 insider trades tracked

BLLN
Insider trades
419
Bought (open market)
$3.2M
Sold (open market)
$47.4M
Unique insiders
15

12-month activity

Monthly insider buy vs sell totals for BillionToOne, Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
December 2025$0$00
January 2026$0$01
February 2026$0$00
March 2026$0$00
April 2026$0$00
May 2026$0$019
June 2026$0$7.2M60
July 2026$0$12.1M57
August 2026$0$9.8M41
September 2026$0$11.8M51
October 2026$0$6.5M35
November 2026$0$00

Recent insider trades

Most recent Form 4 filings for BillionToOne, Inc..

  • Atay Oguzhansold2,667 shares ofBLLNat $118$315KOct 28 · filed Oct 30Details
  • Atay Oguzhansold8,333 shares ofBLLNat $118$983KOct 28 · filed Oct 30Details
  • Atay Oguzhanexercised8,333 shares ofBLLNat $2.8$23KOct 28 · filed

Insiders at this company

Executives and directors who have filed Form 4s.

  • Atay Oguzhan108 trades
  • KOLLURI KRISHNA KITTU50 trades
  • Bremner Thomas S50 trades
  • Tsao David49 trades
  • Lynch Thomas P.33 trades
  • NeoTribe Ventures I, L.P.25 trades
  • Ileri Firat22 trades
  • Johnson Nancy JoAnn18 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Oct 30
Details
  • Atay Oguzhansold133 shares ofBLLNat $102.777$14KOct 15 · filed Oct 16Details
  • Atay Oguzhansold980 shares ofBLLNat $101.787$100KOct 15 · filed Oct 16Details
  • Atay Oguzhansold1,276 shares ofBLLNat $100.603$128KOct 15 · filed Oct 16Details
  • Atay Oguzhansold1,861 shares ofBLLNat $99.844$186KOct 15 · filed Oct 16Details
  • Atay Oguzhansold900 shares ofBLLNat $98.433$89KOct 15 · filed Oct 16Details
  • Atay Oguzhanexercised5,150 shares ofBLLNat $2.8$14KOct 15 · filed Oct 16Details
  • Atay Oguzhansold2,667 shares ofBLLNat $98$261KOct 14 · filed Oct 16Details
  • Atay Oguzhansold100 shares ofBLLNat $99$10KOct 14 · filed Oct 16Details
  • Atay Oguzhansold3,083 shares ofBLLNat $98.32$303KOct 14 · filed Oct 16Details
  • Atay Oguzhanexercised3,183 shares ofBLLNat $2.8$9KOct 14 · filed Oct 16Details
  • Lynch Thomas P.exercised2,000 shares ofBLLNat $8.65$17KOct 13 · filed Oct 19Details
  • Atay Oguzhansold2,667 shares ofBLLNat $97.61$260KOct 12 · filed Oct 14Details
  • Atay Oguzhansold1,521 shares ofBLLNat $96.392$147KOct 12 · filed Oct 14Details
  • Atay Oguzhansold3,869 shares ofBLLNat $94.613$366KOct 12 · filed Oct 14Details
  • Atay Oguzhansold6,763 shares ofBLLNat $93.647$633KOct 12 · filed Oct 14Details
  • Atay Oguzhansold2,553 shares ofBLLNat $93.046$238KOct 12 · filed Oct 14Details
  • Atay Oguzhansold1,961 shares ofBLLNat $91.571$180KOct 12 · filed Oct 14Details
  • Atay Oguzhanexercised16,667 shares ofBLLNat $2.8$47KOct 12 · filed Oct 14Details
  • Lynch Thomas P.exercised8,000 shares ofBLLNat $8.65$69KOct 8 · filed Oct 13Details
  • Tsao Davidsold100 shares ofBLLNat $110.09$11KOct 5 · filed Oct 7Details
  • Tsao Davidsold1,829 shares ofBLLNat $109.145$200KOct 5 · filed Oct 7Details
  • Tsao Davidsold4,916 shares ofBLLNat $108.534$534KOct 5 · filed Oct 7Details
  • Tsao Davidsold2,200 shares ofBLLNat $107.471$236KOct 5 · filed Oct 7Details
  • Tsao Davidsold400 shares ofBLLNat $106.104$42KOct 5 · filed Oct 7Details
  • Tsao Davidsold555 shares ofBLLNat $105.559$59KOct 5 · filed Oct 7Details
  • Tsao Davidsold20 shares ofBLLNat $110.08$2KOct 5 · filed Oct 7Details
  • Tsao Davidsold2,921 shares ofBLLNat $109.003$318KOct 5 · filed Oct 7Details
  • View all trades for BLLN →
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