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ISSUER PROFILE · CIK 0001847367 · CUSIP 022307102

Alumis Inc.ALMS

4 13D/G filings 3 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 4 activist filings on this issuer

Median 30d
+33.5%
avg +16.9%
Median 60d
+47.6%
avg +48.0%
Median 90d
+17.3%
avg +5.0%
Median 180d
-36.3%
avg -36.3%

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 · 3 SCHEDULE
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
12.97
as of 2026-05-29

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2026-04-03 SCHEDULE 13D/A Foresite Capital Fund VI LP 12.70% 4,247,670 view →
2026-01-13 SCHEDULE Samsara BioCapital, L.P. 5.40% 6,345,219 view →
2026-01-12 SCHEDULE Foresite Capital Fund VI LP 14.10% 16,189,804 view →
2025-02-10 SCHEDULE AyurMaya Capital Management Company, LP 22.50% 10,645,966 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 11,072,158 12.97 -2.5%
2026-05-15 11,359,303 14.08 +0.6%
2026-04-30 11,287,439 9.01 -7.6%
2026-04-15 12,210,305 9.79 +8.7%
2026-03-31 11,230,693 5.50 +25.3%
2026-03-13 8,963,277 7.44 +12.7%
2026-02-27 7,953,241 6.01 -12.2%
2026-02-13 9,054,577 7.63 +4.4%
2026-01-30 8,670,302 4.44 -0.0%
2026-01-15 8,672,088 1.00 +93.0%
2025-12-31 4,492,125 4.72 +15.9%
2025-12-15 3,874,655 2.66 +9.6%

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