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Possible new Proto Labs shares

PRLBDilution

Known so far: no new shares from the prospectus covers read · no effective shelf · not yet read: warrants, converts, ATM.

Shelf room

  • Room today none, no effective shelf
How this is worked out

Shelf room: none. No shelf registration on EDGAR was declared effective in the last 3 years, so a sale needs a new registration or a private placement. Sources: public float, as of Jun 30, 2025.

What could become new Proto Labs (PRLB) shares: options and RSUs, each with the 10-Q, 10-K, S-3 or 424B filing it comes from.

Proto Labs dilution ladder

Every source of new shares on record, from the filings that created it.

23.9M outstanding; up to 25M fully diluted, +5%

  1. Outstandingas of Oct 26, 2026 (10-Q filed Oct 29) · share count on the cover page
    23.9M
  2. Options and RSUs395K options, 726K RSUs10-Q Oct 31, 2025 · equity note
    +1.1M

Not stated in the filings we read: an ATM program, warrants, convertible notes.

Counts, sizes and prices as stated in each filing; the fully diluted count is arithmetic on them. Dollars become shares only at a price a filing states. Not advice.

Financing terms to know

None found in filings since Oct 31, 2025.

Each term is quoted from the exhibit it comes from; numbers are as stated in the filing. A flag describes a financing term. It is not investment advice.

Shares outstanding

23.9M

Feb 2025 to Oct 2026: from 24.2M to 23.9M.

From the share count on the cover of each 10-Q and 10-K, dated as each cover states.