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WELLINGTON MANAGEMENT GROUP LLP
> PRLB
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Proto Labs Inc | PRLB | 80,753 | -4,992 | 2,823,125,000 | -19,322,000 | $34,960.00 |
| 03/31/2023 | Proto Labs Inc | PRLB | 85,745 | 85,745 | 2,842,447,000 | 2,842,447,000 | $33,150.00 |
| 09/30/2020 | Proto Labs Inc | PRLB | 0 | -3,107 | 0 | -349,000 | |
| 06/30/2020 | Proto Labs Inc | PRLB | 3,107 | 3,107 | 349,000 | 349,000 | $112.33 |
| 09/30/2018 | Proto Labs Inc | PRLB | 0 | -23,034 | 0 | -2,740,000 | |
| 06/30/2018 | Proto Labs Inc | PRLB | 23,034 | -10,586 | 2,740,000 | -1,212,000 | $118.95 |
| 03/31/2018 | Proto Labs Inc | PRLB | 33,620 | 2,416 | 3,952,000 | 738,000 | $117.55 |
| 12/31/2017 | Proto Labs Inc | PRLB | 31,204 | 12,092 | 3,214,000 | 1,679,000 | $103.00 |
| 09/30/2017 | Proto Labs Inc | PRLB | 19,112 | 19,112 | 1,535,000 | 1,535,000 | $80.32 |
| 12/31/2015 | Proto Labs Inc | PRLB | 0 | -4,600 | 0 | -308,000 | |
| 09/30/2015 | Proto Labs Inc | PRLB | 4,600 | -9,960 | 308,000 | -675,000 | $66.96 |
| 06/30/2015 | Proto Labs Inc | PRLB | 14,560 | 0 | 983,000 | -36,000 | $67.51 |
| 03/31/2015 | Proto Labs Inc | PRLB | 14,560 | 0 | 1,019,000 | 41,000 | $69.99 |
| 12/31/2014 | Proto Labs Inc | PRLB | 14,560 | -17,238 | 978,000 | -1,216,000 | $67.17 |
| 09/30/2014 | Proto Labs Inc | PRLB | 31,798 | 1,781 | 2,194,000 | -265,000 | $69.00 |
| 06/30/2014 | Proto Labs Inc | PRLB | 30,017 | -18,562 | 2,459,000 | -828,000 | $81.92 |
| 03/31/2014 | Proto Labs Inc | PRLB | 48,579 | 21,544 | 3,287,000 | 1,362,000 | $67.66 |
| 12/31/2013 | Proto Labs Inc | PRLB | 27,035 | 16,039 | 1,925,000 | 1,085,000 | $71.20 |
| 09/30/2013 | Proto Labs Inc | PRLB | 10,996 | 10,996 | 840,000 | 840,000 | $76.39 |
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