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ISSUER PROFILE · CIK 0001631487 · CUSIP 19516R107

CollPlant Biotechnologies LtdCLGN

3 13D/G filings 2 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
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
3
1 SCHEDULE · 2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.82
as of 2026-03-31

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
2025-11-07 SCHEDULE Loewenbaum Lilian S. 9.90% 1,256,056 view →
2019-08-12 SC Sagy Ami view →
2019-06-20 SC Sagy Ami view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 62,082 1.82 -9.2%
2026-03-13 68,335 2.25 -9.9%
2026-02-27 75,852 1.00 -32.7%
2026-02-13 112,739 1.00 +2.3%
2026-01-30 110,193 3.76 +38.1%
2026-01-15 79,771 6.06 +30.6%
2025-12-31 61,080 1.23 +62.0%
2025-12-15 37,710 1.51 -58.3%

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