Dudediligence.

BioLife Solutions, Inc

BLFSNASDAQ · Electromedical & Electrotherapeutic Apparatus
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$56.8M

15 notices · 2,239,508 sh

Oct 2025 to Oct 2026

Reported ·

$56.6M

49 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

33 of 49 reported sales carry the 10b5-1 box. Together they are 4.59% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-05-21: Casdin Partners Master Fund, L.P., Form 1442026-05-20: Casdin Partners Master Fund, L.P, Form 1442026-05-19: Casdin Partners Master Fund, L.P., Form 1442026-03-23: KAREN FOSTER, Form 1442026-03-09: KAREN FOSTER, Form 1442026-03-05: KAREN FOSTER, Form 1442025-12-15: SARAH AEBERSOLD, Form 1442025-12-04: TROY WICHTERMAN, Form 1442025-11-13: RODERICK DE GREEF, Form 1442025-11-12: RODERICK DE GREEF, Form 1442025-11-11: RODERICK DE GREEF, Form 1442025-11-12: DuRoss Amy, Form 1442025-10-22: DE GREEF RODERICK, Form 1442025-10-16: GOSWAMI JOYDEEP, Form 1442025-10-15: Casdin Partners Master Fund, L.P., Form 1442025-10-09: Foster Karen A., sold2025-10-09: Aebersold Sarah, sold2025-10-09: Mathew Aby J., sold2025-10-09: Berard Todd, sold2025-10-09: Wichterman Troy, sold2025-10-15: Casdin Partners GP, LLC, sold2025-10-16: GOSWAMI JOYDEEP, sold2025-10-20: Werner Sean, sold2025-10-22: DE GREEF RODERICK, sold2025-10-24: GOSWAMI JOYDEEP, sold2025-11-11: DE GREEF RODERICK, sold2025-11-19: DuRoss Amy, sold2025-11-25: Mathew Aby J., sold2025-11-25: Werner Sean, sold2025-11-25: Foster Karen A., sold2025-11-25: Aebersold Sarah, sold2025-11-25: Wichterman Troy, sold2025-11-25: Berard Todd, sold2025-11-25: DuRoss Amy, sold2025-12-04: Wichterman Troy, sold2025-12-09: Foster Karen A., sold2025-12-09: Berard Todd, sold2025-12-09: Aebersold Sarah, sold2025-12-09: Wichterman Troy, sold2025-12-09: Mathew Aby J., sold2025-12-15: DuRoss Amy, sold2026-01-06: Berard Todd, sold2026-01-06: Mathew Aby J., sold2026-01-06: Aebersold Sarah, sold2026-01-06: Foster Karen A., sold2026-01-06: Wichterman Troy, sold2026-03-03: Berard Todd, sold2026-03-03: Aebersold Sarah, sold2026-03-03: Wichterman Troy, sold2026-03-03: Mathew Aby J., sold2026-03-03: Foster Karen A., sold2026-03-03: Werner Sean, sold2026-03-05: Foster Karen A., sold2026-03-23: Foster Karen A., sold2026-05-19: Casdin Partners GP, LLC, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-05-21Casdin Partners Master Fund, L.P., 10% Shareholder$15.6M
650,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-05-20Casdin Partners Master Fund, L.P, 10% Shareholder$6,000,000
250,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-05-19Casdin Partners Master Fund, L.P., 10% Shareholder$6,690,000
300,000 shno plan date144 ↗
Form 4, 2026-05-21: sold 1,200,000 at $23.44 Form 4 ↗
2026-03-23KAREN FOSTER, Chief Quality and Operations$48,576
2,577 shplan 2025-12-04144 ↗
Form 4, 2026-03-31: sold 2,577 at $19.17 Form 4 ↗
2026-03-09KAREN FOSTER, Chief Quality and Operations$9,930
500 shplan 2025-12-04no Form 4 on file144 ↗
2026-03-05KAREN FOSTER, Chief Quality and Operations$2,003,398
96,923 shplan 2025-12-04144 ↗
Form 4, 2026-03-05: sold 418 at $20.74 Form 4 ↗
2025-12-15SARAH AEBERSOLD, Chief Human Resources Officer$17,390
713 shplan 2024-12-11144 ↗
Form 4, 2026-01-08: sold 241 at $25.59 Form 4 ↗
2025-12-04TROY WICHTERMAN, Chief Financial Officer$771,504
30,000 sh10b5-1 plan144 ↗
Form 4, 2025-12-05: sold 30,000 at $25.72 Form 4 ↗
2025-11-13RODERICK DE GREEF, President and CEO$789,297
31,165 shno plan dateno Form 4 on file144 ↗
2025-11-12RODERICK DE GREEF, President and CEO$864,995
33,418 shno plan dateno Form 4 on file144 ↗
2025-11-12DuRoss Amy, Director$316,560
12,000 shno plan date144 ↗
Form 4, 2025-11-21: sold 6,000 at $24.76 Form 4 ↗
2025-11-11RODERICK DE GREEF, President and CEO$926,091
35,417 shno plan date144 ↗
Form 4, 2025-11-13: sold 100,000 at $25.80 Form 4 ↗
2025-10-22DE GREEF RODERICK, President and CEO$1,031,807
37,795 sh10b5-1 plan144 ↗
Form 4, 2025-10-24: sold 37,795 at $27.30 Form 4 ↗
2025-10-16GOSWAMI JOYDEEP, Director$278,910
9,000 shplan 2024-12-13144 ↗
Form 4, 2025-10-20: sold 1,334 Form 4 ↗
2025-10-15Casdin Partners Master Fund, L.P., 10% Shareholder$21.4M
750,000 shno plan date144 ↗
Form 4, 2025-10-17: sold 750,000 at $28.55 Form 4 ↗