13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0001631487 · CUSIP 19516R107

CollPlant Biotechnologies LtdCLGN

4 13D/G filings 2 distinct filers 0 insider transactions (365d)

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

Median 30d
-6.4%
avg -6.4%
Median 60d
-33.9%
avg -33.9%
Median 90d
-26.1%
avg -26.1%
Median 180d
-81.7%
avg -81.7%

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

Cross-Reference Snapshot

Activist filings
4
1 SCHEDULE 13D/A · 1 SCHEDULE · 2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-07-15

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2026-07-27 SCHEDULE 13D/A Loewenbaum Lilian S. 10.20% 186,289 view →
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
2026-07-15 16,240 1.00 -51.8%
2026-06-30 33,721 1.00 +59.5%
2026-06-15 21,144 1.00 -50.2%
2026-05-29 42,484 1.10 -49.6%
2026-05-15 84,316 2.19 +4.8%
2026-04-30 80,466 1.00 +22.5%
2026-04-15 65,694 1.00 +5.8%
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%

Alert me when any activist files on CollPlant Biotechnologies Ltd

Free. We email you when criteria match. One-click unsubscribe in every email.

Track every activist who touches this name.

Custom alerts · full feed · daily intelligence · API. From $49/mo.

See pricing →