WPRT

WESTPORT FUEL SYSTEMS INC.

Alert me on WPRT

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

After each filing

No purchase or sale on this ticker by a member of Congress or an insider yet.

Filings for WPRT

5 held5 held · newest 2

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See all 5 filings for WPRT

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Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G

ROYCE & ASSOCIATES LP: 5.1%, 1,131,479 shares

Jun 22, 2026 Schedule 13G

CVI Investments, Inc.: 9.9%, 1,930,712 shares

Dec 31, 2025 Schedule 13G, amended

Robert W. Baird & Co. Inc: 1%, 177,282 shares

Dec 31, 2025 Schedule 13G, amended

GRACE & WHITE, INC.: 6.7%, 1,163,087 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

NoneQ4 2025

$10KQ1 2026

$10KQ2 2026

NoneQ3 2026

Nothing on file for Q3 2026.

Read from LDA.gov on Sep 23, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.