SCHEDULE 13G Filed 2026-10-30 Event — SEC 0002100119-26-001537 →

VANGUARD CAPITAL MANAGEMENT LLC → Alto Neuroscience Inc ANRO

Stake: — Shares: — Class: Common Stock

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 20/100

Passive Schedule 13G filer baseline
Net insider selling ($621,097 Code-S in ±30d)
Held by 1 tracked 13F institutional manager
Elevated short days-to-cover (7.5 DTC)
Short interest building (+11.7% vs prior settlement)

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)

6 transactions

0 buys · 3 sales · 3 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

36 filings by this filer

35 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 7.50

5,204,407 shares short · +11.7% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $28.60M

Point72 Asset Mgmt

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-09-30	Smith Nicholas Conrad	officer	Option exercise	24,056	$2.35	$57K
2026-09-30	Smith Nicholas Conrad	officer	Sale	23,170	$25.78	$597K
2026-09-30	Smith Nicholas Conrad	officer	Sale	886	$26.87	$24K
2026-09-29	Smith Nicholas Conrad	officer	Option exercise	56,455	$2.35	$133K
2026-09-29	Smith Nicholas Conrad	officer	Option exercise	54,375	$2.35	$128K
2026-09-29	Smith Nicholas Conrad	officer	Sale	110,830	$26.58	$2.95M

Other 13D/G Filings on Alto Neuroscience Inc

Filed	Form	Filer	Stake	Shares
2026-07-27	SCHEDULE 13G	BlackRock, Inc.	—	—	view →
2026-07-20	SCHEDULE 13G	EcoR1 Capital, LLC	—	—	view →

Other Filings by VANGUARD CAPITAL MANAGEMENT LLC

Filed	Form	Issuer	Stake	Shares
2026-10-30	SCHEDULE 13G	ADI Global Distribution Inc	—	—	view →
2026-10-30	SCHEDULE 13G	AMC Global Media Inc	—	—	view →
2026-10-30	SCHEDULE 13G	Applied Optoelectronics Inc	—	—	view →
2026-10-30	SCHEDULE 13G	Argan Inc	—	—	view →
2026-10-30	SCHEDULE 13G	AST SpaceMobile Inc	—	—	view →
2026-10-30	SCHEDULE 13G	American Bitcoin Corp	—	—	view →
2026-10-30	SCHEDULE 13G	Andersen Group Inc	—	—	view →
2026-10-30	SCHEDULE 13G	Arlo Technologies Inc	—	—	view →
2026-10-30	SCHEDULE 13G	BGSF Inc	—	—	view →
2026-10-30	SCHEDULE 13G	BJ's Restaurants Inc	—	—	view →
2026-10-30	SCHEDULE 13G	Blackstone Mortgage Trust Inc	—	—	view →
2026-10-30	SCHEDULE 13G	AMC Entertainment Holdings Inc	—	—	view →
2026-10-30	SCHEDULE 13G	Acadia Realty Trust	—	—	view →
2026-10-30	SCHEDULE 13G	ADTRAN Holdings Inc	—	—	view →
2026-09-04	SCHEDULE 13G	Liberty Media Corp	—	—	view →
2026-09-03	SCHEDULE 13G	FTAI Aviation Ltd.	—	—	view →
2026-09-03	SCHEDULE 13G	Liberty Media Corp	—	—	view →
2026-09-03	SCHEDULE 13G	Pediatrix Medical Group, Inc.	—	—	view →
2026-09-03	SCHEDULE 13G	ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/	—	—	view →
2026-09-03	SCHEDULE 13G	BellRing Brands, Inc.	—	—	view →

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