SEC Form 4Coverage since Jun 8, 2026
$BLLN insider trading
Over the last 12 months, BillionToOne insiders reported no purchases and 20 sales totaling $30.7M across SEC Form 4 filings. 100% of the activity was filed under pre-arranged 10b5-1 trading plans.
- Bought · 12m
- — 0 events
- Sold · 12m
- $30.7M 20 events
- Events · 12m
- 20 Form 4 filings, grouped
- Insiders · 12m
- 5 distinct reporters
- 10b5-1 share
- 100% pre-arranged plans
Side
Price · $BLLN · 12Mvia TradingView
Top insiders · 12m
Atay OguzhanChairman and CEO6× · $14.8M
Sakakibara Shan RikuChief Product Officer4× · $3.2M
Johnson Nancy JoAnnSee Remarks3× · $3.3M
ten Bosch John RoderickSVP of Laboratory Operations2× · $703K
Atay OguzhanSee Remarks2× · $3.8M
All insider trades
20 events
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Aug 5, 2026 | Atay OguzhanChairman and CEO · O·D | ▼ Sale | 15,539 | $150.03 | $2.3M | -100% | plan |
| Aug 3, 2026 | Atay OguzhanChairman and CEO · O·D | ▼ Sale | 12,500 | $137.37 | $1.7M | -7.1% | plan · 2 tranches · indirect |
| Aug 3, 2026 | Atay OguzhanChairman and CEO · O·D | ▼ Sale | 32,500 | $136.95 | $4.5M | -100% | plan · 21 tranches |
| Jul 31, 2026 | Sakakibara Shan RikuChief Product Officer · O | ▼ Sale | 4,000 | $140.21 | $561K | -2% | plan |
| Jul 16, 2026 | Johnson Nancy JoAnnSee Remarks · O | ▼ Sale | 14,199 | $128.29 | $1.8M | -67.3% | plan · 4 tranches |
| Jul 13, 2026 | ten Bosch John RoderickSVP of Laboratory Operations · O | ▼ Sale | 4,251 | $125.46 | $533K | -12.7% | plan · 3 tranches |
| Jul 13, 2026 | Tsao DavidChief Technology Officer · O·D | ▼ Sale | 20,000 | $124.88 | $2.5M | -95.2% | plan · 10 tranches |
| Jul 9, 2026 | Sakakibara Shan RikuChief Product Officer · O | ▼ Sale | 8,000 | $125 | $1.0M | -3.8% | plan · 5 tranches |
| Jul 9, 2026 | Atay OguzhanChairman and CEO · O·D | ▼ Sale | 12,500 | $126.1 | $1.6M | -100% | plan · 4 tranches |
| Jul 6, 2026 | Atay OguzhanChairman and CEO · O·D | ▼ Sale | 12,500 | $122.05 | $1.5M | -6.7% | plan · 14 tranches · indirect |
| Jul 6, 2026 | Atay OguzhanChairman and CEO · O·D | ▼ Sale | 26,250 | $122.05 | $3.2M | -100% | plan · 14 tranches |
| Jul 1, 2026 | Johnson Nancy JoAnnSee Remarks · O | ▼ Sale | 801 | $124.91 | $100K | -3.7% | plan |
| Jun 29, 2026 | ten Bosch John RoderickSVP of Laboratory Operations · O | ▼ Sale | 1,416 | $120 | $170K | -4% | plan |
| Jun 24, 2026 | Sakakibara Shan RikuChief Product Officer · O | ▼ Sale | 8,000 | $110 | $880K | -3.7% | plan · 2 tranches |
| Jun 15, 2026 | ten Bosch John RoderickSee Remarks · O | ▼ Sale | 2,832 | $101.47 | $287K | -7.5% | plan · 2 tranches |
| Jun 15, 2026 | Tsao DavidChief Technology Officer · O·D | ▼ Sale | 20,000 | $102.27 | $2.0M | -95.2% | plan · 11 tranches |
| Jun 9, 2026 | Johnson Nancy JoAnnSee Remarks · O | ▼ Sale | 14,000 | $100.18 | $1.4M | -39% | plan · 7 tranches |
| Jun 8, 2026 | Sakakibara Shan RikuChief Product Officer · O | ▼ Sale | 8,000 | $98.22 | $786K | -3.6% | plan · 2 tranches |
| Jun 8, 2026 | Atay OguzhanSee Remarks · O·D | ▼ Sale | 12,500 | $98.22 | $1.2M | -6.2% | plan · 2 tranches · indirect |
| Jun 8, 2026 | Atay OguzhanSee Remarks · O·D | ▼ Sale | 26,250 | $97.66 | $2.6M | -100% | plan · 8 tranches |
About Form 4
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $BLLN feed.