Atay Oguzhan Insider Trading Activity
Atay Oguzhan has been net-selling over the last 12 months with 0 purchases and 28 sales across 1 company.
BLLN is the most-traded position with 28 trades. The largest single transaction was a sale of BLLN for $2.3M on Aug 5, 2026.
Performance Scorecard
Forward stock performance after each transaction by Atay Oguzhan. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -16.4% | 15% | 27 |
| 90 days | — | — | — | — |
| 120 days | — | — | — | — |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersBLLN · BillionToOne, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Aug 5, 2026 | BLLN | Sell | 15,539 | $150.03 | $2.3M | −100.0% | CEO | |
Jul 9, 2026 | BLLN | Sell | 7,489 | $125.43 | $939K | −59.9% | CEO | |
Jul 9, 2026 | BLLN | Sell | 2,002 | $126.48 | $253K | −40.0% | CEO | |
Jul 9, 2026 | BLLN | Sell | 2,657 | $127.44 | $339K | −88.3% | CEO | |
Jul 9, 2026 | BLLN | Sell | 352 | $128.23 | $45K | −100.0% | CEO | |
Jul 6, 2026 | BLLN | Sell | 5,253 | $123.81 | $650K | −43.3% | CEO | |
Jul 6, 2026 | BLLN | Sell | 622 | $124.61 | $78K | −9.1% | CEO | |
Jul 6, 2026 | BLLN | Sell | 412 | $118.49 | $49K | −6.6% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,138 | $119.36 | $136K | −19.5% | CEO | |
Jul 6, 2026 | BLLN | Sell | 570 | $120.66 | $69K | −12.1% | CEO | |
Jul 6, 2026 | BLLN | Sell | 349 | $121.84 | $43K | −8.5% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,945 | $123.07 | $239K | −51.4% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,642 | $123.81 | $203K | −89.4% | CEO | |
Jul 6, 2026 | BLLN | Sell | 194 | $124.61 | $24K | −100.0% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,320 | $118.49 | $156K | −5.0% | CEO | |
Jul 6, 2026 | BLLN | Sell | 591 | $119.67 | $71K | −0.3% | CEO | |
Jul 6, 2026 | BLLN | Sell | 444 | $120.69 | $54K | −0.2% | CEO | |
Jul 6, 2026 | BLLN | Sell | 587 | $122.08 | $72K | −0.3% | CEO | |
Jul 6, 2026 | BLLN | Sell | 2,323 | $123.25 | $286K | −1.3% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,221 | $124.04 | $151K | −0.7% | CEO | |
Jul 6, 2026 | BLLN | Sell | 50 | $124.74 | $6K | −0.0% | CEO | |
Jul 6, 2026 | BLLN | Sell | 586 | $122.08 | $72K | −0.3% | CEO | |
Jul 6, 2026 | BLLN | Sell | 2,324 | $123.25 | $286K | −1.3% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,034 | $118.81 | $123K | −0.6% | CEO | |
Jul 6, 2026 | BLLN | Sell | 3,639 | $119.36 | $434K | −14.6% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,828 | $120.66 | $221K | −8.6% | CEO | |
Jul 6, 2026 | BLLN | Sell | 1,115 | $121.84 | $136K | −5.7% | CEO | |
Jul 6, 2026 | BLLN | Sell | 6,223 | $123.07 | $766K | −33.9% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| BLLN | BillionToOne, Inc. | 28 | $8.2M |
Other insiders at BillionToOne, Inc.
2 other tracked filers at BLLN.