ISSUER PROFILE · CIK 0002104204 · CUSIP 010911105

Alamar Biosciences, Inc.ALMR

2 13D/G filings 2 distinct filers 86 insider transactions (365d)

1 UNCLEAR1 STRATEGIC

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d

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avg —

Median 60d

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Median 90d

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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

2 SCHEDULE 13D

Distinct filers

multi-activist cluster

Insiders (365d)

12 buys · 0 sales

Latest short DTC

6.78

as of 2026-05-29

13D/G Filings Timeline · 2 total

Filed	Form	Filer	Stake	Shares	Intent
2026-04-23	SCHEDULE 13D	Sands Capital Life Sciences Pulse Fund II, L.P.	6.30%	4,230,926	UNCLEAR	view →
2026-04-23	SCHEDULE 13D	Illumina Innovation Fund II, L.P.	9.60%	5,856,536	STRATEGIC	view →

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	C	185,163	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	4,588,364	—	—
2026-04-20	Chambers Rebecca	director	J	140,612	$7.60	$1.07M
2026-04-20	Witney Frank	director	J	49,627	$0.59	$29K
2026-04-20	White Timothy Ogden	officer	J	454,583	—	—
2026-04-20	Chen Shiping	director, officer	C	320,511	—	—
2026-04-20	Luo Yuling	director, officer	C	1,386,746	—	—
2026-04-20	McAnear Justin J.	officer	Award	37,220	—	—
2026-04-20	Naclerio Nicholas	director	C	4,588,364	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	922,152	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	J	5,510,516	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	346,020	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	271,782	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	Buy	235,294	$17.00	$4.00M
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	3,194,377	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	2,862,507	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	2,094,266	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	5,037,783	—	—
2026-04-20	Illumina Innovation Fund II GP, L.L.C.	10%+	C	—	—	—
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	C	6,881,410	—	—
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	C	1,605,645	—	—
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	C	1,922,329	—	—
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	J	185,163	—	—
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	J	6,881,410	—	—
2026-04-20	Qiming Corporate GP VI, Ltd.	10%+	J	1,605,645	—	—

Showing 25 of 86

FINRA Short Interest History

Settlement	Short Interest	Days to Cover	% Δ vs prior
2026-05-29	1,770,245	6.78	+4.1%
2026-05-15	1,700,025	7.46	+47.4%
2026-04-30	1,153,031	1.48	+100.0%

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