Biotechnology research and development laboratories or services · California

BlackThorn Therapeutics

San Francisco, CA · ~28 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
1.5
Avg TCR
0.5
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

BlackThorn Therapeutics runs at 298% of its industry's injury rate - far more dangerous than the typical Biotechnology research and development laboratories or services workplace, earning a grade F.

BlackThorn Therapeutics: 1.5 TCR = 298% of Biotechnology research and development laboratories or services BLS 0.5 · 2y Form 300A (see methodology below)

BlackThorn Therapeutics safety composite

BlackThorn Therapeutics scores strongest on dart rate (safer than 76% of same-industry peers) and weakest on total case rate (tcr) (safer than 30%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 1.49 per 100 workers

Safer than 30% of industry peers

DART rate
B 0 per 100 workers

Safer than 76% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

BlackThorn Therapeutics: 0.0 → 3.0 TCR

Peak year 2018 @ 3.0 TCR · DART/TCR 0× in 2018

BlackThorn Therapeutics's TCR rose 3.0 from 0.0 in 2017 to 3.0 in 2018. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 541711 · San Francisco, CA ABOVE-IND · SMALL

Grade F · TCR 1.5 · 298% of ind

  • DART 0.0 DART
  • RANK #39/51
  • PHOTO West Sacramento R & …
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~28 FTE

Nearest TCR peer: West Sacramento R & D Site (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

BlackThorn Therapeutics in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows BlackThorn Therapeutics averages 1.5 TCR (298% of the Biotechnology research and development laboratories or services BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

BlackThorn Therapeutics TCR series: 2017=0 · 2018=3 · BLS 0.5

Where BlackThorn Therapeutics falls in its industry

189 Biotechnology research and dev establishments

Safer than 30% of graded establishments in this industry, whose median TCR is 0.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #39 safest of 51 Biotechnology research and dev employers in California.

BlackThorn Therapeutics (28 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 296 employees and a TCR of 0.8 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 01,0002,0003,0004,0005,000 05101520 Average employees Total Case Rate BlackThorn Therapeutics
BlackThorn Therapeutics (28 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 296 employees and a TCR of 0.8

BlackThorn Therapeutics has fewer employees than the Biotechnology research and development l median and a higher injury rate than the industry's median TCR of 0.8. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2018 3.0 0.0 1 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

541711 · CA · San Francisco

189 Biotechnology research and development laboratories or services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,144 employers in San Francisco, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR West Sacramento R & D Site 1.5 TCR
NAICS-TCR MacroGenics 9704 Corporate 1.5 TCR
NAICS-TCR WuXi AppTec STP Main 1.5 TCR
NAICS-TCR Acampo R & D Site 1.5 TCR
STATE-SIZE Davis Ranch L.L.C. 28 FTE
STATE-SIZE Steinbeck Country Produce 28 FTE
STATE-SIZE Harlan Family Ranch 28 FTE
STATE-SIZE KKG Equipment Company, LLC32 28 FTE
CITY-NEAR UC San Francisco 18,070 FTE
CITY-NEAR DoorDash, Inc. 12,430 FTE
CITY-NEAR UC San Francisco Health 12,262 FTE
CITY-NEAR SFO - Airport United Airlines Offices 11,622 FTE
NAT-TCR Interstate Building Materials Inc 1.5 TCR
NAT-TCR 6354-FL18 1.5 TCR
NAT-TCR USS Edgar Thomson Plant 1.5 TCR
NAT-TCR Lorain Tubular 1.5 TCR
NAT-SIZE Tampa Facility 28 FTE
NAT-SIZE Vita Craft Corporation 28 FTE
NAT-SIZE General Construction 28 FTE
NAT-SIZE PS - Birmingham 28 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.