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Matthew Robert Weigand

DirectorActively Reporting
Current role
Director · Nebius
Current holdings (from latest Form 3/4/5)
Nebius NBIS: 14,987 shares ≈ $2.55M (62.4 bp of co.) (as of 2026-09-01)
Insider activity since 2026-09
Invested $0 (73,008 shares acquired)
↳ notional today: $12.43M
Divested $0 (- shares sold)
→ Net flat $0
↳ net notional: ↑ $12.43M
Change since first tracked filing (not total holdings; see methodology). Prices as of 2026-10-19.

Matt Weigand became a non-Executive Director of Nebius in August 2025 at age 37. He is a partner at Accel, a global venture capital firm, which he joined in 2013. At Accel, he focuses on investments in enterprise software, financial technology, and security businesses.

Prior to joining Accel, Weigand worked with William Blair's technology investment banking group. He graduated from Miami University.

Biography extracted from Nebius 20-F filed 2026-04-30 View cached copy (2026-08-31)Live source ↗

Roles

Contiguous filings for the same role are collapsed into a single tenure span. Click a row to see the underlying filings.

CompanyRoleTenureFilings
NebiusDirector2026-03 → present (7mo)2
Show 2 underlying filings
2026-09-01 · Nebius Form 4 filed 2026-09-03
View cached copy (2026-09-04)Live source ↗
2026-03-18 · Nebius Form 3 filed 2026-03-18
View cached copy (2026-09-13)Live source ↗

Insider transactions

Totals for this person

BucketInvested (shares)Invested (USD)Divested (shares)Divested (USD)Net directionTxnsInvested @ last priceDivested @ last price
All time73,008$0-$0Flat54$12.43M$0
202673,008$0-$0Flat54$12.43M$0
2026-Q373,008$0-$0Flat54$12.43M$0

Invested = shares acquired (buys, grants, option exercises) — insider adding to the position. Divested = shares reduced (sells, dispositions, tax-withholding) — cash flowing TO the insider. Net direction shows which side wins on dollar terms in each bucket. % of holder's stake not yet computed (pending Form 3/4 holdings ingest). See methodology. The two @ last price columns restate the same share counts at the most recent share price we read (close of 2026-10-19); they are a valuation, not a cash flow, and they move every day the market does.

All transactions

DateCompanyKindSharesAmount (USD)Value @ last price
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
Show older transactions (34 more)
DateCompanyKindSharesAmount (USD)Value @ last price
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K
2026-09-01NebiusGrant / award / vesting · Class A Shares1,352-$230.2K