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BIOLIFE SOLUTIONS INC

BLFS Net selling

CIK 0000834365 #2114 in the set updated 17 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$56.61M

$1.45M on a plan · $0.00 straight out of an exercise

Sold at will

$55.16M

16 of 49 sales

Net

−$56.61M

−$55.16M against sales at will

By person

14 insiders · 49 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Casdin Partners Master Fund, L.P. entity

10% owner

—

$49.54M (4)

−$49.54M

4,757,165

9.73%

$112.74M

−45.2%

DE GREEF RODERICK

President and CEO

—

$3.61M (4)

−$3.61M

730,971

1.49%

$17.32M

+58.3%

Foster Karen A.

Chief Quality and Operations

—

$2.07M (8)

−$2.07M

108,758

0.2224%

$2.58M

−31.0%

Wichterman Troy

Chief Financial Officer

—

$873.50K (6)

−$873.50K

212,223

0.4339%

$5.03M

+70.6%

DuRoss Amy

Director

—

$305.75K (6)

−$305.75K

26,857

0.0549%

$636.51K

−8.8%

Mathew Aby J.

EVP & Chief Scientific Officer

—

$65.18K (5) scheduled

−$65.18K

387,833

0.7930%

$9.19M

+22.1%

GOSWAMI JOYDEEP

Director

—

$48.30K (2) scheduled

−$48.30K

53,156

0.1087%

$1.26M

+29.3%

Aebersold Sarah

Chief Human Resources Officer

—

$44.95K (6) scheduled

−$44.95K

92,429

0.1890%

$2.19M

+38.9%

Berard Todd

Chief Marketing Officer

—

$42.41K (5) scheduled

−$42.41K

162,293

0.3318%

$3.85M

+37.4%

Werner Sean

Chief Technology Officer

—

$12.89K (3) scheduled

−$12.89K

47,556

0.0972%

$1.13M

+834.5%

Ellingson Rachel

Director

—

57,995

0.1186%

$1.37M

+35.0%

MOORE TIMOTHY L.

Director

—

44,943

0.0919%

$1.07M

+50.3%

Hunt Anthony

Director

—

15,046

0.0308%

$356.59K

—

Coste Catherine

Director

—

13,871

0.0284%

$328.74K

—

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 79

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 2

Sales on a Rule 10b5-1 plan 33

Sales straight out of an exercise 0

Sales at will 16

Transactions with no price 1

Shares from compensation/vesting 1,093,299

History held since 1 Sep 2016