Form 4/A for PRLB Proto Labs Inc
Accepted 2025-12-03 00:00:00 ET · period of report 2025-11-25 · accession 0001870293-25-000007 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DA | 2025-12-03 | 2025-11-25 | PRLB | Kenison Michael R. | Chief Ops Off | S - Sale+OE | $50.17 | -3,048 | 28.9K | -10% | -$152.9K |
| DA | 2025-12-03 | 2025-11-25 | PRLB | Kenison Michael R. | Chief Ops Off | M - OptEx | $33.84 | +3,048 | 31.9K | +11% | +$103.1K |
| DA | 2025-12-03 | 2025-11-25 | PRLB | Kenison Michael R. | Chief Ops Off | M - OptEx | $0.00 | -3,048 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-11-25 | S | D | 3,048 | $50.17 | 28,898 | D | — | — | (F2) These shares were acquired and sold pursuant to Reporting Person's 10b5-1 plan adopted August 15, 2025. (F3) Reflects the weighted average price of 3,048 shares of Common Stock of the issuer sold by the Reporting Person in multiple transactions on November 25, 2025 with sale prices ranging from $50.00 to $50.53 per share. The Reporting Person undertakes to provide upon request by U.S. Securities and Exchange Commission staff, the issuer, or a securityholder of the issuer full information regarding the number of shares sold at each separate price. |
| 2 | Common | Common Stock | 2025-11-25 | M | A | 3,048 | $33.84 | 31,946 | D | — | — | (F1) Includes 57 shares of Common Stock of the issuer purchased on November 15, 2025 through the issuer's Employee Stock Purchase Plan program. |
| 3 | Derivative | Employee Stock Option (right to buy) | 2025-11-25 | M | D | 3,048 | $0.00 | 0 | D | $33.84 · — to 2026-02-14 | 3,048 Common Stock | (F4) Fully vested. (F5) This amendment reflects an adjustment to the expiration date of the Employee Stock Options to correct a clerical error in the reporting person's Form 4 filed on November 25, 2025. All transaction details were accurately reported on the original Form 4. |