SCHEDULE 13G Filed 2026-06-04 Event — SEC 0000919574-26-003837 →

Casdin Capital, LLC → BIOLIFE SOLUTIONS INC BLFS

Stake: — Shares: — Class: Common Stock, par value $0.001 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 13/100 · Filer 90d Win Rate: 33% · Hist. 90d Edge: +5.5%

Filer track record (5 filings): 33% 90d win rate, +5.5% 90d edge
Moderate short days-to-cover (4.3 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

26 transactions

10 buys · 11 sales · 0 awards/exercises

Issuer Cluster

10 13D/G filings on this issuer

9 other filings besides this one

Filer Track Record

12 filings by this filer

11 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 4.33

3,999,252 shares short · +3.0% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-06	Wichterman Troy	officer	Award	76,204	—	—
2026-10-06	Wichterman Troy	officer	Award	62,300	—	—
2026-10-06	Wichterman Troy	officer	F	95,933	$38.61	$3.70M
2026-10-06	Wichterman Troy	officer	Disposition	256,000	—	—
2026-10-06	GOSWAMI JOYDEEP	director	Disposition	53,156	—	—
2026-10-06	Ellingson Rachel	director	Disposition	57,995	—	—
2026-10-06	DuRoss Amy	director	Disposition	26,857	—	—
2026-10-06	Coste Catherine	director	Disposition	13,871	—	—
2026-10-06	DE GREEF RODERICK	director, officer	Award	225,670	—	—
2026-10-06	DE GREEF RODERICK	director, officer	Award	237,460	—	—
2026-10-06	DE GREEF RODERICK	director, officer	F	364,872	$38.61	$14.09M
2026-10-06	DE GREEF RODERICK	director, officer	Disposition	826,454	—	—
2026-10-06	Hunt Anthony	director	Disposition	15,046	—	—
2026-10-06	MOORE TIMOTHY L.	director	Disposition	44,943	—	—
2026-10-06	Mathew Aby J.	officer	Award	45,838	—	—
2026-10-06	Mathew Aby J.	officer	Award	40,192	—	—
2026-10-06	Mathew Aby J.	officer	F	70,000	$38.61	$2.70M
2026-10-06	Mathew Aby J.	officer	Disposition	404,608	—	—
2026-10-06	Berard Todd	officer	Award	38,198	—	—
2026-10-06	Berard Todd	officer	Award	40,192	—	—
2026-10-06	Berard Todd	officer	F	46,170	$38.61	$1.78M
2026-10-06	Berard Todd	officer	Disposition	194,786	—	—
2026-10-06	Werner Sean	officer	Award	45,838	—	—
2026-10-06	Werner Sean	officer	Award	48,232	—	—
2026-10-06	Werner Sean	officer	F	71,226	$38.61	$2.75M

Showing 25 of 26

Other 13D/G Filings on BIOLIFE SOLUTIONS INC

Filed	Form	Filer	Stake	Shares
2026-09-24	SCHEDULE 13G	GLAZER CAPITAL, LLC	—	—	view →
2026-05-22	SCHEDULE 13D/A	Casdin Capital, LLC	9.70%	4,757,165	view →
2025-08-13	SCHEDULE	Casdin Capital, LLC	15.00%	7,207,165	view →
2021-07-21	SC	VILLIGER WALTER	—	—	view →
2021-07-21	SC	GIRSCHWEILER THOMAS	—	—	view →
2020-07-24	SC	GIRSCHWEILER THOMAS	—	—	view →
2020-07-24	SC	VILLIGER WALTER	—	—	view →
2019-06-03	SC	VILLIGER WALTER	—	—	view →
2018-05-02	SC	GIRSCHWEILER THOMAS	—	—	view →

Other Filings by Casdin Capital, LLC

Filed	Form	Issuer	Stake	Shares
2026-06-09	SCHEDULE 13D/A	Standard BioTools Inc. LAB	23.90%	88,783,856	view →
2026-05-22	SCHEDULE 13D/A	BIOLIFE SOLUTIONS INC BLFS	9.70%	4,757,165	view →
2025-08-13	SCHEDULE	BIOLIFE SOLUTIONS INC BLFS	15.00%	7,207,165	view →
2025-03-07	SCHEDULE	Tenaya Therapeutics, Inc. TNYA	4.30%	6,732,971	view →
2025-03-04	SCHEDULE	STANDARD BIOTOOLS INC. LAB	21.60%	80,864,315	view →
2024-01-09	SC	STANDARD BIOTOOLS INC. LAB	—	—	view →
2023-03-20	SC	Absci Corp ABSI	—	—	view →
2022-11-28	SC	Tenaya Therapeutics, Inc. TNYA	—	—	view →
2022-10-11	SC	Century Therapeutics, Inc. IPSC	—	—	view →
2020-05-18	SC	GenMark Diagnostics, Inc.	—	—	view →
2020-02-07	SC	GenMark Diagnostics, Inc.	—	—	view →

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