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ISSUER PROFILE · CIK 0000834365 · CUSIP 09062W204

BioLife Solutions, Inc.

10 13D/G filings 4 distinct filers 26 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
+11.1%
avg +11.1%
Median 60d
+20.5%
avg +20.5%
Median 90d
+17.5%
avg +17.5%
Median 180d
+1.2%
avg +1.2%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
10
2 SCHEDULE 13G · 1 SCHEDULE 13D/A · 1 SCHEDULE · 6 SC
Distinct filers
4
multi-activist cluster
Insiders (365d)
26
10 buys · 11 sales
Latest short DTC
—
no FINRA match

13D/G Filings Timeline · 10 total

FiledFormFilerStakeSharesIntent
2026-09-24 SCHEDULE 13G GLAZER CAPITAL, LLC — — view →
2026-06-04 SCHEDULE 13G Casdin 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 →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
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

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