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  • Insider Ownership

Insider Trading & Ownership of Michael R. Splinter

Location
New York, NY
Summary
The estimated net worth of Michael R. Splinter is at least $23,125,841 dollars as of 18 Mar 2026. Michael R. Splinter is the Director of NASDAQ, INC. and owns shares of NASDAQ, INC. (NDAQ) stock worth about $22.14M. Michael R. Splinter is the Director of TIGO ENERGY, INC. and owns shares of TIGO ENERGY, INC. (TYGO) stock worth about $983.4K.
Signature
/s/ Jen-Chau Huang, as attorney-in-fact
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Quick Takeaways

  • Michael R. Splinter has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $23,125,841.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: NASDAQ, INC. ($22,142,434).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Michael R. Splinter

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
NDAQ NASDAQ, INC. Director $22,142,434 30 Jan 2026
TYGO TIGO ENERGY, INC. Director $983,407 25 Nov 2025
TSM, TSMWF TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD Director 18 Mar 2026

Insider Transactions Reported by Michael R. Splinter:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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