H-1B sponsorship profile: Spark Therapeutics, Inc. Across U.S. Department of Labor LCA disclosures, Spark Therapeutics, Inc filed 33 Labor Condition Applications covering 33 H-1B worker positions between fiscal year 2023 and fiscal year 2026. The employer’s DOL certification rate sits at 100% (33 certified of 33 filed), a useful proxy for how cleanly their prevailing-wage attestations pass the Labor Department’s preliminary review before USCIS adjudication.

Compensation spread. Offered wages on Spark Therapeutics, Inc’s H-1B petitions range from $74,900 at the low end to $147,700 at the high end, with a petition-weighted average of $101,625. That range reflects the mix of occupations the company sponsors, led by Research Associate (4 petitions at $76,200 avg), followed by Scientist, Analytical Development and Sr Scientist, Analytical Development. H-1B salaries reported on LCAs must meet or exceed the DOL prevailing wage for the role and worksite, so the spread also tracks wage-level geography and seniority.

Geographic footprint. Spark Therapeutics, Inc is headquartered in Philadelphia, PA under NAICS code 325414, and places H-1B workers across 3 states, most heavily in PA, NC, DE. Combined, these signals give a granular view of how one employer uses the H-1B program, volume, approval cleanliness, wage posture, and where the jobs actually sit on the map.

Where Spark Therapeutics, Inc ranks. By H-1B petition volume, Spark Therapeutics, Inc is #6,779 of 119,880 employers nationally and #219 of 3,282 employers headquartered in PA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.