13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0001754068 · CUSIP 482929106

KALARIS THERAPEUTICS, INC.KLRS

2 13D/G filings 2 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
-17.2%
avg -17.2%
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
2
1 SCHEDULE 13D/A · 1 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.46
as of 2026-10-15

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2026-05-22 SCHEDULE 13D/A Samsara BioCapital, L.P. 54.20% 10,657,028 view →
2022-08-05 SC ElevateBio, LLC — — view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 306,400 3.46 -7.7%
2026-09-30 331,876 4.56 +4.3%
2026-09-15 318,361 5.22 -8.0%
2026-08-31 345,990 7.05 -12.0%
2026-08-14 393,339 6.16 -4.5%
2026-07-31 411,651 1.00 -20.9%
2026-07-15 520,187 11.65 +3.5%
2026-06-30 502,578 5.37 -34.1%
2026-06-15 762,669 10.90 -4.8%
2026-05-29 801,523 10.29 -0.3%
2026-05-15 804,374 7.89 -0.2%
2026-04-30 805,754 8.86 -4.4%

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