Alamar Biosciences, Inc.
ALMR- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0002104204
No open-market purchases or sales by Alamar Biosciences, Inc. insiders were filed in the last 90 days; 87 institutions reported holding it in 13F filings for Q2 2026, worth $664.3M in total; 3 superinvestors hold it, including ARK Invest and HHLR Advisors (Hillhouse).
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Alamar Biosciences, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Alamar Biosciences, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Brottem John L. | General Counsel | 29,000 | Sep 16, 2026 | 1 |
| Ragusa Robert P | Director | 5,686 | Sep 3, 2026 | 1 |
| Qiming Venture Partners VI, L.P. | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Qiming Managing Directors Fund VI, L.P. | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Qiming Venture Partners VIII-HC, L.P. | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Qiming Corporate GP VI, Ltd. | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Qiming Venture Partners VIII Investments, LLC | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Qiming GP VIII-HC, LLC | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Qiming GP VIII, LLC | 10% Owner | 1,922,329Indirect | Apr 22, 2026 | 1 |
| Naclerio Nicholas | 10% Owner | 507,076Indirect | Apr 20, 2026 | 2 |
| Illumina Innovation Fund II, L.P. | 10% Owner | 507,076Indirect | Apr 20, 2026 | 1 |
| Illumina Innovation Fund II GP, L.L.C. | 10% Owner | 507,076Indirect | Apr 20, 2026 | 1 |
| Illumina Innovation Fund III, L.P. | 10% Owner | 507,076Indirect | Apr 20, 2026 | 1 |
| Illumina Innovation Fund III GP, L.L.C. | 10% Owner | 507,076Indirect | Apr 20, 2026 | 1 |
| Witney Frank | Director | – | Apr 20, 2026 | 1 |
| McAnear Justin J. | Chief Financial Officer | 37,220 | Apr 20, 2026 | 1 |
| Chambers Rebecca | Director | – | Apr 20, 2026 | 1 |
| White Timothy Ogden | President | 491,803 | Apr 20, 2026 | 1 |
| Luo Yuling | Chief Executive Officer | 1,224,152Indirect | Apr 20, 2026 | 1 |
| Chen Shiping | Chief Operating Officer | 760,105 | Apr 20, 2026 | 1 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 20, 2026 (view filing)8:45 PM ET | Apr 20 | Same day | Naclerio Nicholas and 4 others10% Owner | PPurchase | +235.3K | $17.00 | +$4.00M | +86.6%507.1K after | Duplicate filing |
| Apr 20, 2026 (view filing)8:31 PM ET | Apr 20 | Same day | Naclerio NicholasDirector | PPurchase | +235.3K | $17.00 | +$4.00M | +86.6%507.1K after |