Tsao David
Chief Technology Officer
Sale
Calculated transaction value
$416.63K
3,333 shares @ $125
Traded
Sep 24, 2026
Filed
Sep 28, 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 |
|---|---|---|---|---|---|
| Tsao David Chief Technology Officer | Sep 28, 2026 4-day lag | Sale Sep 24, 2026 | $416.63K Filed shares x price | SEC Form 4 View filing | |
| Ten Bosch John Roderick SVP Of Laboratory Operations | Sep 28, 2026 4-day lag | Sale Sep 24, 2026 | $169.92K Filed shares x price | SEC Form 4 View filing | |
| Ten Bosch John Roderick SVP Of Laboratory Operations | Sep 23, 2026 2-day lag | Sale Sep 21, 2026 | $150.96K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $49.99K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Sale Sep 17, 2026 | $2.14M Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $179.76K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $49.99K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $80.48K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $80.48K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $179.76K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $167.67K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Exercise Sep 17, 2026 | $167.67K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Sale Sep 17, 2026 | $322.1K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Sale Sep 17, 2026 | $644.11K Filed shares x price | SEC Form 4 View filing | |
| Lynch Thomas P. See Remarks | Sep 21, 2026 4-day lag | Sale Sep 17, 2026 | $768.56K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Exercise Sep 14, 2026 | $23.33K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Exercise Sep 14, 2026 | $23.33K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $261.27K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $165.71K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $731.79K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $440.39K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $149.35K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $261.27K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $254.57K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Exercise Sep 14, 2026 | $46.66K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $318.99K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Exercise Sep 14, 2026 | $46.66K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $244.55K Filed shares x price | SEC Form 4 View filing | |
| Atay Oguzhan Chairman And CEO | Sep 16, 2026 2-day lag | Sale Sep 14, 2026 | $202.56K Filed shares x price | SEC Form 4 View filing | |
| Sakakibara Shan Riku Chief Product Officer | Sep 14, 2026 4-day lag | Gift Sep 10, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Ten Bosch John Roderick
SVP Of Laboratory Operations
Sale
Calculated transaction value
$169.92K
1,416 shares @ $120
Traded
Sep 24, 2026
Filed
Sep 28, 2026
Ten Bosch John Roderick
SVP Of Laboratory Operations
Sale
Calculated transaction value
$150.96K
1,416 shares @ $106.61
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$49.99K
2,920 shares @ $17.12
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Sale
Calculated transaction value
$2.14M
19,384 shares @ $110.36
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$179.76K
5,840 shares @ $30.78
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$49.99K
2,920 shares @ $17.12
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$80.48K
6,968 shares @ $11.55
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$80.48K
6,968 shares @ $11.55
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$179.76K
5,840 shares @ $30.78
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$167.67K
19,384 shares @ $8.65
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Exercise
Calculated transaction value
$167.67K
19,384 shares @ $8.65
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Sale
Calculated transaction value
$322.1K
2,920 shares @ $110.31
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Sale
Calculated transaction value
$644.11K
5,840 shares @ $110.29
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Lynch Thomas P.
See Remarks
Sale
Calculated transaction value
$768.56K
6,968 shares @ $110.3
Traded
Sep 17, 2026
Filed
Sep 21, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$23.33K
8,333 shares @ $2.8
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$23.33K
8,333 shares @ $2.8
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$261.27K
2,666 shares @ $98
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$165.71K
1,680 shares @ $98.64
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$731.79K
7,214 shares @ $101.44
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$440.39K
4,465 shares @ $98.63
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$149.35K
1,500 shares @ $99.57
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$261.27K
2,666 shares @ $98
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$254.57K
2,531 shares @ $100.58
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$46.66K
16,666 shares @ $2.8
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$318.99K
3,143 shares @ $101.49
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Exercise
Calculated transaction value
$46.66K
16,666 shares @ $2.8
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$244.55K
2,456 shares @ $99.57
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Atay Oguzhan
Chairman And CEO
Sale
Calculated transaction value
$202.56K
2,010 shares @ $100.78
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Sakakibara Shan Riku
Chief Product Officer
Gift
Calculated transaction value
$0
3,500 shares @ $0
Traded
Sep 10, 2026
Filed
Sep 14, 2026