Reporting Owner Activity for Tillman U. Gerngross

Location
Waltham, MA
Ownership summary

The estimated value of Tillman U. Gerngross's disclosed insider holdings is at least $14,702,414 as of 15 Jun 2023.

  • Director: Alector, Inc. (ALEC) reported at about $14.7M
  • 1 additional issuer positions are listed below.

Values are based on parsed SEC Forms 3/4/5 and should be verified against the source filing.

Signature
/s/ Marc Grasso, by power of attorney
Source filings
Open source filing history

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Key facts

  • Tillman U. Gerngross has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $14,702,414.
  • Recent insider filing activity is available below.

Change

  • Largest disclosed position: Alector, Inc. ($14,702,414).
  • Past-year value change for that position: .

Research use

  • 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.

Evidence

Filed on Form 4

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

See Original Filing

Reported issuer positions for Tillman U. Gerngross

ALEC Forms 3/4/5

Alector, Inc.

Relationship
Director
Holdings value
$14,702,414
Past year net change
Change %
Report period
14 Jun 2023

Insider Transactions Reported by Tillman U. Gerngross:

Sym Company Class Transaction % Reported value Reported price Shares Shares after Date Ownership
An asterisk next to the price means the reported price is likely invalid.
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