SCHEDULE 13D/A Filed 2026-04-30 Event 2026-04-28 SEC 0001072613-26-000356 →

New Enterprise Associates 15, L.P. → Arcellx, Inc. ACLX

Stake: — Shares: 0 Class: Common Stock $0.001 par value per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

15 filings by this filer

14 other filings in the data moat

Short Interest · settle 2026-04-15

DTC 2.52

1,800,274 shares short · -20.7% vs prior

Other 13D/G Filings on Arcellx, Inc.

Filed	Form	Filer	Stake	Shares
2026-04-28	SCHEDULE 13D/A	GILEAD SCIENCES, INC.	—	100	view →
2026-04-28	SCHEDULE 13D/A	Elghandour Rami	—	0	view →
2025-02-27	SCHEDULE	Elghandour Rami	6.90%	3,997,132	view →
2023-12-18	SC	SR ONE CAPITAL MANAGEMENT, LLC	—	—	view →
2023-06-02	SC	SR ONE CAPITAL MANAGEMENT, LLC	—	—	view →
2023-01-24	SC	New Enterprise Associates 15, L.P.	—	—	view →
2022-06-27	SC	SR ONE CAPITAL MANAGEMENT, LLC	—	—	view →

Other Filings by New Enterprise Associates 15, L.P.

Filed	Form	Issuer	Stake	Shares
2025-03-10	SCHEDULE	Senti Biosciences, Inc. SNTI	14.50%	3,775,615	view →
2024-10-08	SC	OnKure Therapeutics, Inc. OKUR	—	—	view →
2023-01-24	SC	Arcellx, Inc. ACLX	—	—	view →
2022-12-12	SC	Eargo, Inc.	—	—	view →
2022-10-21	SC	Bright Health Group Inc.	—	—	view →
2022-06-06	SC	IonQ, Inc. IONQ-WT	—	—	view →
2022-02-09	SC	Robinhood Markets, Inc. HOOD	—	—	view →
2022-01-26	SC	Bright Health Group Inc.	—	—	view →
2021-12-29	SC	Bright Health Group Inc.	—	—	view →
2021-10-07	SC	Desktop Metal, Inc.	—	—	view →
2021-06-22	SC	Desktop Metal, Inc.	—	—	view →
2021-06-03	SC	Eargo, Inc.	—	—	view →
2021-04-13	SC	Millendo Therapeutics, Inc. TPST	—	—	view →
2019-06-12	SC	Nightstar Therapeutics plc	—	—	view →

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