Massivemarkets

SEC Form 4

3D Systems Corporation (DDD) insider trading

In the 12 months to Oct 23, 2026, 2 DDD insiders reported open-market sales of $635.5K across 3 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$635.5K
3 filings · 2 insiders
Open-market purchases
$0
0 filings

Who traded DDD, and when

  • Sale

DDD daily close from Oct 23, 2025 to Oct 22, 2026, between $1.77 and $3.88, last $3.05. 3 sale and 0 purchase filings by 2 insiders, marked at their filing dates. Jeffrey A. Graves, President and CEO: sold $528.1K across 2 filings, first filed Aug 21, 2026, last Sep 18, 2026. Phyllis B. Nordstrom, EVP, CFO and CAO: sold $107.4K across 1 filing, first filed Sep 18, 2026, last Sep 18, 2026.

Largest mark · tap a row for others

Jeffrey A. Graves · President and CEO

Sale $376,530

115,500 shares at $3.26 avg

Filed Aug 21, 2026 · traded Aug 20

Close on filing date $3.19

DDD daily closelast $3.05

Jeffrey A. Graves · President and CEO

$528.1K sold

Phyllis B. Nordstrom · EVP, CFO and CAO

$107.4K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has the 3D Systems Corporation's CEO sold stock?

Yes. Jeffrey A. Graves (CEO) sold 158,186 shares ($528.1K) between Aug 2026 and Sep 2026.

Open-market trades

3 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
Jeffrey A. GravesPresident and CEO$528.1K—2—
Phyllis B. NordstromEVP, CFO and CAO$107.4K—1—
Other insider activity (not market trades) · 40 records
  • Tax withholding20 records
  • Grants and awards20 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for DDD every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.