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ISSUER PROFILE · CIK 0001094038 · CUSIP 57055L206

Marker Therapeutics, Inc.MRKR

6 13D/G filings 3 distinct filers 0 insider transactions (365d)

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

Median 30d
0.0%
avg 0.0%
Median 60d
0.0%
avg 0.0%
Median 90d
0.0%
avg 0.0%
Median 180d
0.0%
avg 0.0%

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

Cross-Reference Snapshot

Activist filings
6
1 SCHEDULE · 5 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.12
as of 2026-10-15

13D/G Filings Timeline · 6 total

FiledFormFilerStakeSharesIntent
2025-08-18 SCHEDULE New Enterprise Associates 16, L.P. 12.60% 1,625,678 view →
2021-03-26 SC New Enterprise Associates 16, L.P. — — view →
2021-03-24 SC Leen Ann M. — — view →
2020-11-13 SC Eastern Capital LTD — — view →
2020-02-20 SC Eastern Capital LTD — — view →
2018-05-16 SC Eastern Capital LTD — — view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 109,110 1.12 -35.4%
2026-09-30 168,895 2.53 -25.5%
2026-09-15 226,620 3.34 +62.8%
2026-08-31 139,192 1.42 -30.5%
2026-08-14 200,212 3.84 +29.7%
2026-07-31 154,349 3.64 -4.1%
2026-07-15 160,940 2.03 +38.0%
2026-06-30 116,653 2.21 -46.4%
2026-06-15 217,647 3.47 +6.5%
2026-05-29 204,416 3.07 -16.6%
2026-05-15 244,966 3.78 +62.7%
2026-04-30 150,562 1.90 -21.0%

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