Companies · Biotechnology

Sun BioPharma, Inc.

PONTE VEDRA BEACH · Biotechnology

Diligence memoA one-page analyst read on Sun BioPharma, Inc. — recommendation, valuation, rhythm, risks.
$8.0M
Total raised · real
5
Rounds
0.4×
Latest step-up
Top 49%
Sector rank · raised
Seed
Latest stage · inferred · Fri Sep 04 2015 00:00:00 GMT+0000 (Coordinated Universal Time)

Sun BioPharma, Inc. looks fair against its niche peers and is dormant on financing cadence.

Synthesized from the figures below est. — every claim rests on a number shown on this page. Valuation uses the biotech sector profile.

Analyst read est. — computed against this company's niche peers in the same era. Inputs shown; not a quoted figure.

Fair
  • Modeled value is 0.78× the median modeled value of Seed Biotechnology companies in 2013–2015 (122 peers) — value vs value, same stage and era.
  • Within the normal band (78% of peer median) for its niche.
Dormant
  • Last raise 10.8 yr ago; this sector typically re-raises about every 14 months.
  • Silent for over 3× the sector's normal cadence.
Leadership

No named principal in this company's public records yet — see all operators below.

Explore how these operators interlock with other companies in the operator network.

Where it sits in Biotechnology

Sun BioPharma, Inc. is one of 4293 Biotechnology companies tracked from PONTE VEDRA BEACH. By capital raised it ranks mid-pack (ahead of 52% of sector peers), and mid-pack by modeled valuation est..

Ranking is computed against this company's own sector cohort — reported capital is fact; valuation tiers are modeled.

As reported in public records reported — not modeled.

US
Jurisdiction
Amount raised vs valuation, by round

Solid bars are reported offering amounts reported; hatched bars are the modeled post-money valuation est. — both on one shared scale so you can read raise-vs-worth at each round directly. Use the toggles to overlay data labels and the niche-peer / market average value lines.

Amount raised · realModeled valuation · estCumulative funded · real
$0$50M$100M$150M$200MPre-Seed · 2012-02-25 Raised $549K (real) Modeled valuation $30M (est)$549K$30MPre-Seed2012Seed · 2013-05-08 Raised $2.3M (real) Modeled valuation $103M (est)$2.3M$103MSeed2013Pre-Seed · 2013-05-08 Raised $900K (real) Modeled valuation $50M (est)$900K$50MPre-Seed2013Seed · 2014-01-24 Raised $3.1M (real) Modeled valuation $138M (est)$3.1M$138MSeed2014Seed · 2015-09-04 Raised $1.2M (real) Modeled valuation $52M (est)$1.2M$52MSeed2015+$2.3M+$900K+$3.1M+$1.2MCumulative $8.0M

The line shows cumulative reported funding over the period; + labels show new capital added between points when there is room. Toggle on-bar figures, plus the niche-peer and market averages, to read this company against its cohort. Benchmarks are modeled medians.

Financing ladder & sequence gaps
Pre-Seed$549K · 2012
Seed$2.3M · 2013
Bridge · Seed-stage$900K · 2013smaller follow-on
Seed extension$3.1M · 2014
Seed extension$1.2M · 2015

Stages are modeled from round size (public records carry no series label). Ladder is contiguous — every modeled rung has a record.

Modeled valuation trajectory
$52.2M
Base estimate est.
$846K
Conservative case
$409.4M
Upside case
$5.9M
Modeled post-money

Round size and date are reported; the stage label is inferred from round size (latest is Seeda $1.0M–$4.0M round). Valuation is modeled from stage benchmarks scaled by the biotech sector profile. Directional, not a quoted figure.

Pre-Seed · modeled $30.3M · 2012-02-252012Seed · modeled $103.2M · 2013-05-08Pre-Seed · modeled $49.7M · 2013-05-08Seed · modeled $137.7M · 2014-01-24Seed · modeled $52.2M · 2015-09-042015
Model inputs · modeled:benchmark-stage-stepup-v1
20%
Dilution assumption
Implied ownership sold in the financing.
32%
Survival probability
14% low · 50% high
1.74×/yr
Annual markup
2.28×/yr upside case
6.0 yr
Elapsed time used
10.8 yr actual, capped for stale marks
biotech
Sector profile
Adjusts growth and survival by industry.
Financing rhythm
11 mo
Avg between rounds
$2.3M/yr
Capital velocity
14.4 yr
On record since
2012
First round
5
Rounds on file
How it compares to the market

Benchmarked against 4293 companies in Biotechnology. Each bar is a median (the middle company, not an average — outliers don't skew it). Two yardsticks: real money raised (reported on Form D) and modeled value (our estimate est.). These are whole-sector medians across all stages, except the per-stage row.

Total raised — vs sector median (real $, all stages) 1.1× above median
This company$8.0M
Sector median$7.2M
Latest round — vs other Seed rounds in sector (real $, this stage) 0.7× of median
This company$1.2M
Sector median$1.7M
Modeled value — vs sector median (estimate, all stages) 0.8× of median
This company$52.2M
Sector median$64.2M

Raised more than 52% of sector peers (real $). Modeled value above 46% of peers (estimate).

Niche peers — same stage & era

A tighter cohort than the sector chart above — only companies at the same stage (Seed) that last raised in the same ~3-year era, ranked by modeled value est. (not money raised). This is the exact set the analyst read compares against, so a like-for-like cohort is what makes "over/under-valued" meaningful. This company ranks #79 of 122.

This companyCohort peer
$10.0M$100.0M$1.0B$1.0M$10.0M$100.0MCapital raised (log)Harpoon Medical, Inc. · Seed Raised $7.8M · modeled $173.2M (est)Admittance Technologies, Inc. · Seed Raised $3.9M · modeled $173.0M (est)Bell Biosystems, Inc. · Seed Raised $6.2M · modeled $169.2M (est)Nexstim Plc · Seed Raised $3.7M · modeled $166.4M (est)Iontera, Inc. · Seed Raised $16.8M · modeled $164.2M (est)Monteris Medical Inc · Seed Raised $9.0M · modeled $163.1M (est)Abzena plc · Seed Raised $4.3M · modeled $160.0M (est)Alkahest, Inc. · Seed Raised $3.5M · modeled $155.4M (est)ONCoPEP, Inc. · Seed Raised $12.7M · modeled $153.5M (est)Cal-X Stars Business Accelerator, Inc. · Seed Raised $3.4M · modeled $151.4M (est)QT Holdings Corp. · Seed Raised $3.8M · modeled $145.9M (est)Insight Genetics, Inc. · Seed Raised $5.5M · modeled $135.4M (est)Sun BioPharma, Inc. (this company) Raised $8.0M · modeled $52.2M (est)Sun BioPharma, Inc.
CompanyStageRaised · realValue · estvs peer med.
Harpoon Medical, Inc.Seed$7.8M$173.2M2.59×
Admittance Technologies, Inc.Seed$3.9M$173.0M2.59×
Bell Biosystems, Inc.Seed$6.2M$169.2M2.53×
Nexstim PlcSeed$3.7M$166.4M2.49×
Iontera, Inc.Seed$16.8M$164.2M2.46×
Monteris Medical IncSeed$9.0M$163.1M2.44×
Abzena plcSeed$4.3M$160.0M2.40×
Alkahest, Inc.Seed$3.5M$155.4M2.33×
ONCoPEP, Inc.Seed$12.7M$153.5M2.30×
Cal-X Stars Business Accelerator, Inc.Seed$3.4M$151.4M2.27×
QT Holdings Corp.Seed$3.8M$145.9M2.19×
Insight Genetics, Inc.Seed$5.5M$135.4M2.03×
Sun BioPharma, Inc. this companySeed$8.0M$52.2M0.78×
Full financing history

Stage is inferred from round size est., not reported on the filing — a round's dollar size maps to a bucket: Pre-Seed <$1.0M · Seed $1.0M–$4.0M · Series A $4.0M–$15M · Series B $15M–$40M · Series C $40M–$100M · Series D+ $100M–$400M · Growth/Late >$400M.

StageAmount · realAnnouncedPost-money · estValue · estConf.
Pre-Seed$549K2012-02-25$3.0M$30.3M90%
Seed$2.3M2013-05-08$11.6M$103.2M90%
Pre-Seed$900K2013-05-08$5.0M$49.7M90%
Seed$3.1M2014-01-24$15.5M$137.7M90%
Seed$1.2M2015-09-04$5.9M$52.2M90%
What happened at each round

Step-up, pace versus the sector's normal cadence, and revenue/exemption moves — read straight from the reported round facts reported.

  1. Pre-Seed$549K2012-02-25
    • First recorded raise — entered as Pre-Seed.
  2. Seed$2.3M2013-05-08
    • Raised 14 mo later, in step with the ~14 mo sector norm.
    • Round 4.2× larger than the prior — scaling up.
  3. Pre-Seed$900K2013-05-08
    • Filed alongside the prior round (same month) — likely a tranche or amendment.
    • Round 2.6× smaller than the prior — bridge or down round.
  4. Seed$3.1M2014-01-24
    • Raised 9 mo later, in step with the ~14 mo sector norm.
    • Round 3.4× larger than the prior — scaling up.
  5. Seed$1.2M2015-09-04
    • Raised 19 mo later, in step with the ~14 mo sector norm.
    • Round 2.6× smaller than the prior — bridge or down round.
Intelligence
2016 ~Q3
Modeled next raise · ~11mo cadence
$1.2M
Modeled next size est.range $1.2M$1.9M
0.4×
Last step-up
$2.3M/yr
Capital velocity

Predictive signals are modeled est. from this company's own cadence and step-up, plus sector benchmarks — directional, not advice. Peer set and a CSV export live in your analyst workspace.

Key people & operators

Officers, directors and promoters named in this company's public recordsreported — the people who run it (not its investors). "Also runs" counts come from name-matching across all records, so verify before acting.

PersonRoleAlso runsTied since
DAVID B. KAYSEN3 other2015-09
Thomas X. Neenan2 other2012-02
D. Robert Schemel1 other2013-05
Jeffrey R. Harder1 other2012-02
Michael T. Cullen1 other2012-02
PAUL W. SCHAFFER1 other2014-01
Christopher R. Johnson2014-01
Clifford F. McCurdy, III2012-02
Daniel E. Ryweck2015-09
Donald R. Schemel2015-09
Douglas M. Polinsky2014-01
Paul M. Herron2012-02
Randall L. Johnson2014-01
Ryan R. Gilbertson2014-01
Suzanne X. Gagnon2015-09
Registry & provenance

Sun BioPharma, Inc. is an official record sourced from the U.S. Securities and Exchange Commission (SEC). U.S. data is aggregated from SEC Form D filings.

United States
Country of record
US
Jurisdiction
1544125
SEC CIK
Similar companies

Nearest neighbours across the whole database — matched on sector, stage and capital scale, and on shared operators (officers or directors named at both companies in public filings). A discovery shortlist, not a valuation cohort — verify before acting, the same way modeled figures are directional.

CompanySectorStageRaised · realValue · estWhy similar
Sun BioPharma, Inc.PharmaceuticalsSeries A$22.3M$13.1Mnetwork4 shared operators
Juneau Biosciences, LLCBiotechnologySeed$8.1M$44.4Msame sector · same stage
Launchcyte LlcBiotechnologySeed$7.8M$46.8Msame sector · same stage
Protalex IncBiotechnologySeed$7.3M$63.3Msame sector · same stage
Serotiny, Inc.BiotechnologySeed$7.0M$40.3Msame sector · same stage
Benten BioServices, Inc.BiotechnologySeed$9.4M$58.4Msame sector · same stage
Prometheon Pharma, LlcBiotechnologySeed$6.7M$50.3Msame sector · same stage
Q BioMed Inc.BiotechnologySeed$6.6M$44.4Msame sector · same stage
Frequently asked
How much funding has Sun BioPharma, Inc. raised?
Sun BioPharma, Inc. has raised approximately $8.0M in disclosed capital across 5 recorded financing rounds, aggregated from public filings.
What is Sun BioPharma, Inc.'s estimated valuation?
Provath's modeled valuation for Sun BioPharma, Inc. is approximately $52.2M (modeled range $846K–$409.4M). This is an algorithmic estimate derived from round sizes and same-niche peers — not a quoted or reported figure.
What funding stage is Sun BioPharma, Inc. at?
Sun BioPharma, Inc.'s latest modeled financing stage is Seed. Its most recent recorded round closed around Fri Sep 04.
What does Sun BioPharma, Inc. do and where is it based?
Sun BioPharma, Inc. operates in the Biotechnology sector, based in PONTE VEDRA BEACH.
Explore related

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