Form4insider filings, from the source

Insider · CIK 0001536324

Arthur R. Baker III

Files at: PRLB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $165k · 1sales $538k · 1net −$373k
$10k$10k$100k$100k$1M$1MbuyssalesAug 2016Dec 2016May 2017Sep 2017Jan 2018May 2018Sep 2018

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 11, 2019 AForm 4 →Feb 13, 4:08 pm ESTProto Labs IncPRLB2,829——19,375— plan?
Sep 4, 2018 SForm 4 →Sep 11, 3:46 pm EDTProto Labs IncPRLB3,474$154.81$537,81516,546−17.4% plan? late
Sep 4, 2018 MForm 4 →Sep 11, 3:46 pm EDTProto Labs IncPRLB3,474$60.96$211,77520,020— plan? late
Feb 13, 2018 FForm 4 →Feb 16, 4:23 pm ESTProto Labs IncPRLB394$106.45$41,94116,820— plan? late
Feb 12, 2018 AForm 4 →Feb 14, 7:47 pm ESTProto Labs IncPRLB2,809$105.75$297,05217,214— plan?
May 8, 2017 FForm 4 →Mar 26, 2018, 4:25 pm EDTProto Labs IncPRLB274$59.75$16,37216,546— plan? late
Feb 13, 2017 AForm 4 →Feb 15, 4:00 pm ESTProto Labs IncPRLB6,430$58.35$375,19113,535— plan?
Sep 1, 2016 PForm 4 →Sep 6, 4:32 pm EDTProto Labs IncPRLB3,000$55.00$165,0007,105+73.1% plan?
May 2, 2016 AForm 4 →May 4, 4:06 pm EDTProto Labs IncPRLB4,105——4,105— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 11, 2019 AForm 4 →Feb 13, 4:08 pm ESTProto Labs IncPRLB3,204——3,204—
Sep 4, 2018 MForm 4 →Sep 11, 3:46 pm EDTProto Labs IncPRLB3,474——5,211— late
Feb 12, 2018 AForm 4 →Feb 14, 7:47 pm ESTProto Labs IncPRLB3,218——3,218—
Feb 13, 2017 AForm 4 →Feb 15, 4:00 pm ESTProto Labs IncPRLB4,535——4,535—
May 2, 2016 AForm 4 →May 4, 4:06 pm EDTProto Labs IncPRLB8,685——8,685—