Casdin Partners Master Fund, L.P.

BioLife Solutions, Inc. ยท 10% Owner

Casdin Partners Master Fund, L.P. is listed in public filings as 10 percent owner. This Casdin Partners Master Fund, L.P. insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include BioLife Solutions, Inc. (BLFS), and Standard BioTools Inc. (LAB). Investors use Casdin Partners Master Fund, L.P.'s insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
BioLife Solutions, Inc.BLFS$113M4.8M sharesSellMay 21, 2026$15.4M650k shares$23.70--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
BioLife Solutions, Inc.BLFS$128M5.4M sharesSellMay 20, 2026$5.9M250k shares$23.70--
BioLife Solutions, Inc.BLFS$128M5.7M sharesSellMay 19, 2026$6.8M300k shares$22.65--
Standard BioTools Inc.LAB$104M72.1M sharesBuyDec 4, 2025$217.0K150k shares$1.45--
Standard BioTools Inc.LAB$104M72M sharesBuyDec 3, 2025$108.0K75k shares$1.44--
Standard BioTools Inc.LAB$102M71.9M sharesBuyDec 2, 2025$177.5K125k shares$1.42--
Standard BioTools Inc.LAB$93M71.8M sharesBuyNov 25, 2025$9.8M7.6M shares$1.30--
Standard BioTools Inc.LAB$92M64.2M sharesBuyNov 24, 2025$214.9K150k shares$1.43--
Standard BioTools Inc.LAB$83M64.1M sharesBuyNov 20, 2025$586.3K450k shares$1.30--
Standard BioTools Inc.LAB$82M63.6M sharesBuyNov 19, 2025$448.9K350k shares$1.28--
Standard BioTools Inc.LAB$78M63.3M sharesBuyNov 18, 2025$339.4K275k shares$1.23--
Standard BioTools Inc.LAB$77M63M sharesBuyNov 17, 2025$275.6K225k shares$1.22--
Standard BioTools Inc.LAB$78M62.8M sharesBuyNov 14, 2025$309.8K250k shares$1.24--
Standard BioTools Inc.LAB$75M62.5M sharesBuyNov 13, 2025$541.4K450k shares$1.20--
Standard BioTools Inc.LAB$74M62.1M sharesBuyNov 12, 2025$445.8K375k shares$1.19--
Standard BioTools Inc.LAB$74M61.7M sharesBuyNov 11, 2025$358.8K300k shares$1.20--
Standard BioTools Inc.LAB$72M61.4M sharesBuyNov 10, 2025$321.9K275k shares$1.17--
Standard BioTools Inc.LAB$69M61.1M sharesBuyNov 7, 2025$252.8K225k shares$1.12--
BioLife Solutions, Inc.BLFS$170M6M sharesSellOct 15, 2025$21.4M750k shares$28.55--
Standard BioTools Inc.LAB$78M60.9M sharesBuySep 9, 2025$128.9K100k shares$1.29--
Standard BioTools Inc.LAB$78M60.8M sharesBuySep 4, 2025$319.4K250k shares$1.28--
Standard BioTools Inc.LAB$77M60.5M sharesBuySep 3, 2025$316.4K250k shares$1.27--
Standard BioTools Inc.LAB$76M60.3M sharesBuyAug 26, 2025$157.9K125k shares$1.26--
Standard BioTools Inc.LAB$75M60.2M sharesBuyAug 25, 2025$248.2K200k shares$1.24--
Standard BioTools Inc.LAB$76M60M sharesBuyAug 22, 2025$252.7K200k shares$1.26--
BioLife Solutions, Inc.BLFS$164M6.7M sharesSellAug 15, 2025$12.2M500k shares$24.40--
Standard BioTools Inc.LAB$73M59.8M sharesBuyAug 15, 2025$183.2K150k shares$1.22--
Standard BioTools Inc.LAB$72M59.6M sharesBuyAug 14, 2025$161.5K133.2k shares$1.21--
Standard BioTools Inc.LAB$78M59.5M sharesBuyAug 13, 2025$98.3K75k shares$1.31--
BioLife Solutions, Inc.BLFS$163M7.2M sharesSellAug 11, 2025$11.3M500k shares$22.60--
BioLife Solutions, Inc.BLFS$183M7.7M sharesSellJun 10, 2025$23.8M1M shares$23.80--
BioLife Solutions, Inc.BLFS$81M8.7M sharesOtherApr 7, 2025$260.3K28k shares$9.30--
Standard BioTools Inc.LAB$63M58.8M sharesBuyFeb 28, 2025$5.1M4.8M shares$1.07--
Standard BioTools Inc.LAB$0545k sharesOtherFeb 28, 2025$580.4K545k shares$1.07--
Standard BioTools Inc.LAB$3.0M2.8M sharesGrant / ExerciseFeb 28, 2025$62.0K58.2k shares$1.07--
Standard BioTools Inc.LAB$118M54M sharesBuyAug 27, 2024$546.8K250k shares$2.19--
Standard BioTools Inc.LAB$116M53.8M sharesBuyAug 26, 2024$322.5K150k shares$2.15--
Standard BioTools Inc.LAB$114M53.6M sharesBuyAug 23, 2024$621.0K292.1k shares$2.13--
Standard BioTools Inc.LAB$104M53.3M sharesBuyAug 22, 2024$602.8K307.9k shares$1.96--
Standard BioTools Inc.LAB$101M53M sharesBuyAug 21, 2024$952.0K500k shares$1.90--
Standard BioTools Inc.LAB$98M52.5M sharesBuyAug 20, 2024$936.7K500k shares$1.87--
Standard BioTools Inc.LAB$96M52M sharesBuyAug 19, 2024$463.2K250k shares$1.85--
Standard BioTools Inc.LAB$83M51.8M sharesBuyAug 14, 2024$1.9M1.2M shares$1.59--
Standard BioTools Inc.LAB$82M50.6M sharesBuyAug 13, 2024$890.6K550k shares$1.62--
Standard BioTools Inc.LAB$82M50M sharesBuyAug 12, 2024$820.6K500k shares$1.64--
Standard BioTools Inc.LAB$80M49.5M sharesBuyAug 9, 2024$848.5K525.4k shares$1.61--
Standard BioTools Inc.LAB$80M49M sharesBuyAug 8, 2024$932.6K569.6k shares$1.64--
Standard BioTools Inc.LAB$76M48.4M sharesBuyAug 7, 2024$786.2K500k shares$1.57--
Standard BioTools Inc.LAB$76M47.9M sharesBuyAug 5, 2024$316.8K200k shares$1.58--
Standard BioTools Inc.LAB$78M47.7M sharesBuyAug 2, 2024$1.6M1M shares$1.63--
Standard BioTools Inc.LAB$01.2M sharesOtherJun 18, 2024$2.5M1.2M shares$2.05--
Standard BioTools Inc.LAB$96M46.7M sharesOtherJun 18, 2024$1.3M655k shares$2.05--
Standard BioTools Inc.LAB$1.1M545k sharesOtherJun 18, 2024$1.1M545k shares$2.05--