RYABOY OLEG

PrivateCIK: 1945827
Location

MAPLE PLAIN, MN

Senior insider sale

Chief Technology Officer at PROTO LABS INC — senior position signals high conviction

$471.6K

9.71K shares

What this filing means

RYABOY OLEG plans to sell 9.71K shares of PROTO LABS INC valued at approximately $471.6K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderRYABOY OLEGCIK 1945827
IssuerPROTO LABS INCCIK 1443669
Officer· Chief Technology Officer
Since Sep 2022
9.71K
Shares to sell
$471.6K
Approx. market value
9.71K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months8
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Restricted stock vesting under a registered plan

Services Rendered

11/2/2025
1.30K

Restricted stock vesting under a registered plan

Services Rendered

11/2/2025
1.29K

Restricted stock vesting under a registered plan

Services Rendered

11/2/2025
900.00

Restricted stock vesting under a registered plan

Services Rendered

11/2/2025
1.17K

Restricted stock vesting under a registered plan

Services Rendered

2/13/2024
1.19K

Restricted stock vesting under a registered plan

Services Rendered

2/13/2024
1.57K

Shares Purchased through Employee Stock Purchase Plan

Cash

11/15/2023
797.00

Restricted stock vesting under a registered plan

Services Rendered

2/13/2023
1.50K
Total acquired9.71K
Planned & Completed Dispositions1
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NYSEPlanned

Units to sell

9.71K

Market value

$471.6K

11/7/2025
Total

Units

9.71K

Value

$471.6K

RYABOY OLEG — Planned Insider Sale (Form 144) | Finecho