Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Atay Oguzhan
Over the trailing 90 days, Atay Oguzhan (Director at BillionToOne, Inc.) traded $10.5M of stock (net selling $10.1M) in BLLN, per 55 SEC Form 4 transactions.
- Role
- Director
- Companies
- BLLN
- Window
- Trailing 90 days · 55 transactions · CIK 2088549
- Net activity
- −$10.1M ($182K bought · $10.3M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| BLLN | BillionToOne, Inc. | 55 | $182K | $10.3M | −$10.1M |
Transactions (55)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-09 | BLLN | Sell | 352 | $45K | Open market or private sale |
| 2026-07-09 | BLLN | Sell | 12.5K | $35K | Exercise or conversion of derivative security |
| 2026-07-09 | BLLN | Sell | 2.7K | $339K | Open market or private sale |
| 2026-07-09 | BLLN | Buy | 12.5K | $35K | Exercise or conversion of derivative security |
| 2026-07-09 | BLLN | Sell | 7.5K | $939K | Open market or private sale |
| 2026-07-09 | BLLN | Sell | 2.0K | $253K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 50 | $6K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 50 | $6K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.2K | $151K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 2.3K | $286K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 586 | $72K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 444 | $54K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 591 | $71K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.0K | $123K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.2K | $151K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 2.3K | $286K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 587 | $72K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 444 | $54K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 591 | $71K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.0K | $123K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 194 | $24K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.6K | $203K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.9K | $239K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 349 | $43K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 570 | $69K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.1K | $136K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 412 | $49K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 622 | $78K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 5.3K | $650K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 6.2K | $766K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.1K | $136K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.8K | $221K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 3.6K | $434K | Open market or private sale |
| 2026-07-06 | BLLN | Sell | 1.3K | $156K | Open market or private sale |
| 2026-07-06 | BLLN | Buy | 6.2K | $18K | Exercise or conversion of derivative security |
| 2026-07-06 | BLLN | Buy | 20.0K | $56K | Exercise or conversion of derivative security |
| 2026-07-06 | BLLN | Sell | 6.2K | $18K | Exercise or conversion of derivative security |
| 2026-07-06 | BLLN | Sell | 20.0K | $56K | Exercise or conversion of derivative security |
| 2026-06-09 | BLLN | Sell | 10.0K | $0 | Gift (bona fide) |
| 2026-06-08 | BLLN | Sell | 6.2K | $625K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 3.6K | $357K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 4.1K | $399K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 4.4K | $424K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 1.9K | $177K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 5.5K | $518K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 79 | $8K | Open market or private sale |
| 2026-06-08 | BLLN | Buy | 6.2K | $18K | Exercise or conversion of derivative security |
| 2026-06-08 | BLLN | Buy | 20.0K | $56K | Exercise or conversion of derivative security |
| 2026-06-08 | BLLN | Sell | 6.2K | $625K | Open market or private sale |
| 2026-06-08 | BLLN | Sell | 10.0K | $0 | Conversion of derivative security |
| 2026-06-08 | BLLN | Sell | 6.2K | $18K | Exercise or conversion of derivative security |
| 2026-06-08 | BLLN | Sell | 20.0K | $56K | Exercise or conversion of derivative security |
| 2026-06-08 | BLLN | Sell | 6.2K | $603K | Open market or private sale |
| 2026-06-08 | BLLN | Buy | 10.0K | $0 | Conversion of derivative security |
| 2026-06-08 | BLLN | Sell | 556 | $56K | Open market or private sale |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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