| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
10% Owner | Director, 10% Owner | Director
5 companies
Casdin Partners Master Fund, L.P. serves as a Director, 10% Owner at LAB and has filed Form 4s across 5 companies. Across recent SEC filings that breaks down to 69 buys and 9 sells. Those positions are worth an estimated $278.6M at current prices.
Historically, Casdin Partners Master Fund, L.P.'s trades have earned a middling insider score of 53/100 across 68 rated trades. Over a 12-month horizon, 29.3% of those trades were profitable, with an average 12-month return of -21.4%.
The biggest single holding is BLFS (~$112.7M) as 10% Owner. Net of sales, the recent Form 4 record there shows accumulation of 2,197,166 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 15, 2025 | BLFS Biolife Solutions Inc | 10% Owner | Sell | 500,000 | $24.40 | $12,200,000.00 | -6.9% | +3.3% | +44.1% | |
| Aug 15, 2025 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 358,220 | $1.24 | $443,032.57 | +0.6% | -2.4% | -42.3% | |
| Aug 11, 2025 | BLFS Biolife Solutions Inc | 10% Owner | Sell | 500,000 | $22.60 | $11,300,000.00 | -6.5% | +17.5% | +55.7% | |
| Jun 10, 2025 | BLFS Biolife Solutions Inc | 10% Owner | Sell | 1,000,000 | $23.80 | $23,800,000.00 | -11.5% | +9.7% | +11.5% | |
| Feb 28, 2025 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 4,820,959 | $1.07 | $5,134,321.34 | +8.9% | -0.5% | +7.0% | |
| Aug 27, 2024 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 250,000 | $2.19 | $546,750.00 | +0.5% | -25.7% | -41.3% | |
| Aug 26, 2024 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 750,000 | $2.06 | $1,546,237.01 | +1.4% | -25.3% | -40.6% | |
| Aug 21, 2024 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 1,250,000 | $1.88 | $2,351,875.00 | +2.4% | -22.2% | -38.1% | |
| Aug 14, 2024 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 1,200,000 | $1.59 | $1,913,520.00 | +2.4% | +32.3% | -21.3% | |
| Aug 13, 2024 | LAB Standard Biotools Inc. | Director, 10% Owner | Buy | 1,575,408 | $1.62 | $2,559,641.38 | +3.2% | +36.8% | -19.6% |