Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$2.33M
15,539 shares @ $150.03
Traded
Aug 5, 2026
Filed
Aug 7, 2026
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BillionToOne
BLLN
ServicesEducational Services
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
363 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Atay Oguzhan Chairman And CEO | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $2.33M Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $1.37M Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $35.78K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $858.56K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Exercise Aug 3, 2026 | $17.5K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $866.84K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $858.56K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Exercise Aug 3, 2026 | $56K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $5.96K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $428.89K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $105.22K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $270.26K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $428.75K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $11.41K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $11.17K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $335.69K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $11.17K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $270.53K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $23.15K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $18.28K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $37.17K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $5.82K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Exercise Aug 3, 2026 | $17.5K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $23.15K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $104.95K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Exercise Aug 3, 2026 | $17.5K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $11.42K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Exercise Aug 3, 2026 | $17.5K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Exercise Aug 3, 2026 | $56K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $74.26K Filed shares x price | SEC Form 4 View filing |
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$1.37M
9,989 shares @ $137.25
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$35.78K
269 shares @ $133.01
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$858.56K
6,250 shares @ $137.37
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$17.5K
6,250 shares @ $2.8
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$866.84K
6,354 shares @ $136.42
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$858.56K
6,250 shares @ $137.37
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$56K
20,000 shares @ $2.8
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$5.96K
44 shares @ $135.41
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$428.89K
3,125 shares @ $137.25
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$105.22K
762 shares @ $138.09
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$270.26K
1,981 shares @ $136.42
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$428.75K
3,124 shares @ $137.25
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$11.41K
82 shares @ $139.2
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$11.17K
84 shares @ $133
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$335.69K
2,431 shares @ $138.09
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$11.17K
84 shares @ $133.01
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$270.53K
1,983 shares @ $136.42
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$23.15K
173 shares @ $133.81
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$18.28K
135 shares @ $135.42
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$37.17K
267 shares @ $139.21
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$5.82K
43 shares @ $135.41
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$17.5K
6,250 shares @ $2.8
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$23.15K
173 shares @ $133.81
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$104.95K
760 shares @ $138.09
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$17.5K
6,250 shares @ $2.8
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$11.42K
82 shares @ $139.21
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$17.5K
6,250 shares @ $2.8
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$56K
20,000 shares @ $2.8
Traded
Aug 3, 2026
Filed
Aug 5, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$74.26K
555 shares @ $133.81
Traded
Aug 3, 2026
Filed
Aug 5, 2026