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ISSUER PROFILE · CIK 0000834365 · CUSIP 09062W204

BIOLIFE SOLUTIONS INCBLFS

9 13D/G filings 3 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

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

Cross-Reference Snapshot

Activist filings
9
1 SCHEDULE 13G · 1 SCHEDULE 13D/A · 1 SCHEDULE · 6 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
4.30
as of 2026-05-29

13D/G Filings Timeline · 9 total

FiledFormFilerStakeSharesIntent
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 GIRSCHWEILER THOMAS view →
2021-07-21 SC VILLIGER WALTER 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 →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 3,975,144 4.30 +5.3%
2026-05-15 3,775,495 10.72 +4.1%
2026-04-30 3,627,907 9.15 +9.0%
2026-04-15 3,329,098 10.49 -7.5%
2026-03-31 3,599,500 8.94 +16.0%
2026-03-13 3,101,825 4.85 +3.5%
2026-02-27 2,996,816 7.69 -6.7%
2026-02-13 3,213,301 7.18 +10.0%
2026-01-30 2,921,620 9.76 +3.2%
2026-01-15 2,830,919 9.31 -5.4%
2025-12-31 2,991,987 8.76 +7.6%
2025-12-15 2,780,414 10.00 -4.8%

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