Michael R. Kenison
Insider
First SEC filing: June 30, 2021 · Latest: June 30, 2021
Insider at
Insider transactions
0 buys (P)
10 sells (S)
Net: $-2,438,325
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 12, 2026 | PRLB | M | 1,928 | $33.84 | $65,244 | 29,114 Direct | +7.09% | Acquired | 190.2% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | M | 1,557 | $39.61 | $61,673 | 30,671 Direct | +5.35% | Acquired | 147.9% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | M | 4,042 | $59.40 | $240,095 | 34,713 Direct | +13.18% | Acquired | 65.3% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | S 10b5-1 | 1,613 | $67.58 | $109,007 | 33,100 Direct | -4.65% | Disposed | 45.3% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | S 10b5-1 | 4,198 | $68.70 | $288,403 | 28,902 Direct | -12.68% | Disposed | 43.0% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | S 10b5-1 | 3,576 | $69.78 | $249,533 | 25,326 Direct | -12.37% | Disposed | 40.7% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | S 10b5-1 | 6,643 | $70.30 | $467,003 | 18,683 Direct | -26.23% | Disposed | 39.7% (price as of 2026-10-02) |
| May 12, 2026 | PRLB | M | 1,928 | · | · | 1,928 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 12, 2026 | PRLB | M | 1,557 | · | · | 4,674 Direct | -24.99% | Disposed | (price as of 2026-10-02) |
| May 12, 2026 | PRLB | M | 4,042 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2026 | PRLB | M 10b5-1 | 3,756 | $33.84 | $127,103 | 30,942 Direct | +13.82% | Acquired | 190.2% (price as of 2026-10-02) |
| May 11, 2026 | PRLB | M 10b5-1 | 3,677 | $33.52 | $123,253 | 34,619 Direct | +11.88% | Acquired | 193.0% (price as of 2026-10-02) |
| May 11, 2026 | PRLB | S 10b5-1 | 7,433 | $70.26 | $522,243 | 27,186 Direct | -21.47% | Disposed | 39.8% (price as of 2026-10-02) |
| May 11, 2026 | PRLB | M 10b5-1 | 3,756 | · | · | 3,856 Direct | -49.34% | Disposed | (price as of 2026-10-02) |
| May 11, 2026 | PRLB | M 10b5-1 | 3,677 | · | · | 3,778 Direct | -49.32% | Disposed | (price as of 2026-10-02) |
| May 7, 2026 | PRLB | M 10b5-1 | 100 | $33.84 | $3,384 | 27,286 Direct | +0.37% | Acquired | 190.2% (price as of 2026-10-02) |
| May 7, 2026 | PRLB | M 10b5-1 | 100 | $33.52 | $3,352 | 27,386 Direct | +0.37% | Acquired | 193.0% (price as of 2026-10-02) |
| May 7, 2026 | PRLB | S 10b5-1 | 200 | $70.00 | $14,000 | 27,186 Direct | -0.73% | Disposed | 40.3% (price as of 2026-10-02) |
| May 7, 2026 | PRLB | M 10b5-1 | 100 | · | · | 7,612 Direct | -1.30% | Disposed | (price as of 2026-10-02) |
| May 7, 2026 | PRLB | M 10b5-1 | 100 | · | · | 7,455 Direct | -1.32% | Disposed | (price as of 2026-10-02) |
| Feb. 25, 2026 | PRLB | A | 2,415 | · | · | 27,717 Direct | +9.54% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | PRLB | F | 531 | $62.63 | $33,257 | 27,186 Direct | -1.92% | Disposed | 56.8% (price as of 2026-10-02) |
| Feb. 25, 2026 | PRLB | A | 4,404 | · | · | 4,404 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | PRLB | S | 5,000 | $66.46 | $332,300 | 25,302 Direct | -16.50% | Disposed | 47.8% (price as of 2026-10-02) |
| Feb. 13, 2026 | PRLB | F 10b5-1 | 1,540 | $67.52 | $103,981 | 30,302 Direct | -4.84% | Disposed | 45.5% (price as of 2026-10-02) |
| Feb. 10, 2026 | PRLB | F | 2,684 | $53.18 | $142,735 | 31,842 Direct | -7.77% | Disposed | 84.7% (price as of 2026-10-02) |
| Feb. 6, 2026 | PRLB | S | 2,500 | $60.00 | $150,000 | 34,526 Direct | -6.75% | Disposed | 63.7% (price as of 2026-10-02) |
| Jan. 29, 2026 | PRLB | A | 8,128 | · | · | 37,026 Direct | +28.13% | Acquired | (price as of 2026-10-02) |
| Nov. 25, 2025 | PRLB | M | 3,048 | $33.84 | $103,144 | 31,946 Direct | +10.55% | Acquired | 190.2% (price as of 2026-10-02) |
| Nov. 25, 2025 | PRLB | S 10b5-1 | 3,048 | $50.17 | $152,918 | 28,898 Direct | -9.54% | Disposed | 95.8% (price as of 2026-10-02) |
| Nov. 25, 2025 | PRLB | M | 3,048 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 25, 2025 | PRLB | M | 3,048 | $33.84 | $103,144 | 31,946 Direct | +10.55% | Acquired | 190.2% (price as of 2026-10-02) |
| Nov. 25, 2025 | PRLB | S 10b5-1 | 3,048 | $50.17 | $152,918 | 28,898 Direct | -9.54% | Disposed | 95.8% (price as of 2026-10-02) |
| Nov. 25, 2025 | PRLB | M | 3,048 | · | · | 4,664 Direct | -39.52% | Disposed | (price as of 2026-10-02) |
| May 20, 2025 | PRLB | F | 204 | $40.87 | $8,337 | 28,841 Direct | -0.70% | Disposed | 140.3% (price as of 2026-10-02) |
| Feb. 25, 2025 | PRLB | A | 6,943 | · | · | 28,982 Direct | +31.50% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2025 | PRLB | A | 6,231 | · | · | 6,231 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2025 | PRLB | A | 1,894 | · | · | 24,315 Direct | +8.45% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2025 | PRLB | F | 580 | $45.03 | $26,117 | 23,735 Direct | -2.39% | Disposed | 118.1% (price as of 2026-10-02) |
| Feb. 13, 2025 | PRLB | F | 1,696 | $45.03 | $76,371 | 22,039 Direct | -7.15% | Disposed | 118.1% (price as of 2026-10-02) |
| May 20, 2024 | PRLB | F | 336 | $31.81 | $10,688 | 22,351 Direct | -1.48% | Disposed | 208.7% (price as of 2026-10-02) |
| Feb. 13, 2024 | PRLB | F | 1,070 | $33.52 | $35,866 | 14,200 Direct | -7.01% | Disposed | 193.0% (price as of 2026-10-02) |
| Feb. 13, 2024 | PRLB | A | 8,205 | · | · | 22,405 Direct | +57.78% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2024 | PRLB | A | 7,555 | · | · | 7,555 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2023 | PRLB | A | 8,127 | · | · | 14,724 Direct | +123.19% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2023 | PRLB | A | 4,064 | · | · | 4,064 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2023 | PRLB | A | 7,712 | · | · | 7,712 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2023 | PRLB | A | 3,048 | · | · | 3,048 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2023 | PRLB | F | 340 | $34.23 | $11,638 | 6,597 Direct | -4.90% | Disposed | 186.9% (price as of 2026-10-02) |
| May 23, 2022 | PRLB | F | 771 | $45.68 | $35,219 | 6,675 Direct | -10.35% | Disposed | 115.0% (price as of 2026-10-02) |
| Feb. 15, 2022 | PRLB | A | 3,788 | · | · | 7,221 Direct | +110.34% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2022 | PRLB | A | 4,042 | · | · | 4,042 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2022 | PRLB | A | 1,894 | · | · | 1,894 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 12, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2033 | 1,928 | Disposed |
| May 12, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $39.61 | Feb. 25, 2035 | 1,557 | Disposed |
| May 12, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $59.40 | Feb. 13, 2032 | 4,042 | Disposed |
| May 11, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2033 | 3,756 | Disposed |
| May 11, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.52 | Feb. 13, 2034 | 3,677 | Disposed |
| May 7, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2033 | 100 | Disposed |
| May 7, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.52 | Feb. 13, 2034 | 100 | Disposed |
| Feb. 25, 2026 | PRLB | Employee Stock Option (right to buy) | Common Stock | $62.63 | Feb. 25, 2036 | 4,404 | Acquired |
| Nov. 25, 2025 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2026 | 3,048 | Disposed |
| Nov. 25, 2025 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2033 | 3,048 | Disposed |
| Feb. 25, 2025 | PRLB | Employee Stock Option (right to buy) | Common Stock | $39.61 | Feb. 25, 2035 | 6,231 | Acquired |
| Feb. 13, 2024 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.52 | Feb. 13, 2034 | 7,555 | Acquired |
| Feb. 14, 2023 | PRLB | Performance Stock Units | Common Stock | · | Dec. 31, 2025 | 4,064 | Acquired |
| Feb. 14, 2023 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2033 | 7,712 | Acquired |
| Feb. 14, 2023 | PRLB | Employee Stock Option (right to buy) | Common Stock | $33.84 | Feb. 14, 2026 | 3,048 | Acquired |
| Feb. 15, 2022 | PRLB | Employee Stock Option (right to buy) | Common Stock | $59.40 | Feb. 13, 2032 | 4,042 | Acquired |
| Feb. 15, 2022 | PRLB | Performance Stock Units | Common Stock | · | Dec. 31, 2024 | 1,894 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2022 | $350,200 | $20,487 | $415,025 | $112,518 | $29,729 | · | $6,379 | $934,338 |
| 2021 | $291,795 | · | $253,478 | $126,560 | $101,730 | · | $6,745 | $780,308 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.