InsiderDirector

Gregg Williams Insider Trading Activity

Every SEC Form 4 transaction reported by Gregg Williams, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Gregg Williams buying or selling?

Gregg Williams reported 97 open-market buys ($63.5M) and 0 sells ($0) across 97 Form 4 filings at 1 company — a net buying position of $63.5M.

Source: SEC EDGAR Form 4

What stands out

  • All 97 of Gregg Williams's Form 4 filings are for one company, Vivani Medical, Inc. (VANI).
  • The most recent Form 4 was accepted on Jul 16, 2026 (3 months ago).
  • In the last 12 months: 11 open-market purchases ($24.6M) and no sales.
  • The largest open-market purchase in the last 12 months was $6.0M of Vivani Medical, Inc. (VANI) on Oct 28, 2025. SEC ↗

Key Statistics (as of Jul 16, 2026)

Total Form 4 filings
97
SEC EDGAR
Companies
1
Buys (97)
$63.5M
Sells (0)
$0

Insider sentiment

Net buying

Net insider flow of $63.5M in net buying, filed between May 8, 2018 – Jul 16, 2026.

Companies Gregg Williams files for

#CompanyForm 4 filings
1VANIVivani Medical, Inc.97

Recent Gregg Williams transactions

DateTickerRoleTypeSharesValueFiling
Jul 16, 2026VANIDirector, 10% OwnerPurchase793.6K$1000.0KSEC ↗
Jun 16, 2026VANIDirector, 10% OwnerPurchase1.6M$2.0MSEC ↗
May 19, 2026VANIDirector, 10% OwnerPurchase1.6M$2.0MSEC ↗
Apr 16, 2026VANIDirector, 10% OwnerPurchase1.6M$2.0MSEC ↗
Mar 16, 2026VANIDirector, 10% OwnerPurchase1.6M$1.7MSEC ↗
Feb 17, 2026VANIDirector, 10% OwnerPurchase1.9M$2.0MSEC ↗
Jan 28, 2026VANIDirector, 10% OwnerPurchase1.4M$2.0MSEC ↗
Jan 20, 2026VANIDirector, 10% OwnerPurchase1.7M$2.0MSEC ↗
Dec 16, 2025VANIDirector, 10% OwnerPurchase1.7M$2.0MSEC ↗
Nov 17, 2025VANIDirector, 10% OwnerPurchase1.7M$2.0MSEC ↗
Oct 28, 2025VANIDirector, 10% OwnerPurchase3.7M$6.0MSEC ↗
Oct 16, 2025VANIDirector, 10% OwnerPurchase1.7M$2.0MSEC ↗
Sep 17, 2025VANIDirector, 10% OwnerPurchase2.1M$2.4MSEC ↗
May 17, 2025VANIDirector, 10% OwnerPurchase12.7K$12.9KSEC ↗
Apr 28, 2025VANIDirector, 10% OwnerPurchase1.1K$1.1KSEC ↗
Apr 24, 2025VANIDirector, 10% OwnerPurchase1.8K$1.8KSEC ↗
Apr 12, 2025VANIDirector, 10% OwnerPurchase20.8K$21.2KSEC ↗
Apr 9, 2025VANIDirector, 10% OwnerPurchase205.5K$205.3KSEC ↗
Apr 5, 2025VANIDirector, 10% OwnerPurchase24.9K$25.0KSEC ↗
Nov 13, 2024VANIDirector, 10% OwnerPurchase4.0M$5.0MSEC ↗
Feb 20, 2024VANIDirector, 10% OwnerPurchase1.1K$1.1KSEC ↗
Feb 6, 2024VANIDirector, 10% OwnerPurchase2.0K$2.0KSEC ↗
Feb 3, 2024VANIDirector, 10% OwnerPurchase100$101SEC ↗
Jan 25, 2024VANIDirector, 10% OwnerPurchase834$842.34SEC ↗
Jan 22, 2024VANIDirector, 10% OwnerPurchase7.6K$7.7KSEC ↗

Showing the 25 most recent filings of 97. Screen every filing.

Gregg Williams insider trading FAQ

Is Gregg Williams buying or selling?

Across 97 SEC Form 4 filings, Gregg Williams reported 97 open-market purchases totaling $63.5M and 0 sales totaling $0 — a net buying position of $63.5M.

Which companies does Gregg Williams file Form 4s for?

Gregg Williams has reported insider transactions at 1 company, most often Vivani Medical, Inc. (VANI).

How far back does Gregg Williams's filing history go?

Trabud holds Gregg Williams's SEC Form 4 filings from May 8, 2018 – Jul 16, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Gregg Williams's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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