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Seres Therapeutics, Inc. (MCRB)

Seres Therapeutics, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Seres Therapeutics, Inc. (MCRB) is a Biotechnology company based in US with a market capitalization of $73.1M. The company generated $865K in free cash flow. This page tracks MCRB's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 103 employees · IPO Jun 26, 2015

Valuation

Valuation & price

$7.64 · as of May 17, 2026 · -73.3% vs 52w high

11.9

P/E ratio

Latest-FY diluted EPS

1.65

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$28.63$17.16$5.70Jul 25Dec 25Jun 26Jul 7, 25$10.85Jul 9, 25$12.38Jul 11, 25$12.57Jul 15, 25$14.67Jul 17, 25$14.08Jul 21, 25$13.85Jul 23, 25$13.09Jul 25, 25$14.53Jul 29, 25$12.15Jul 31, 25$14.26Aug 4, 25$14.78Aug 6, 25$13.79Aug 8, 25$14.21Aug 12, 25$15.44Aug 14, 25$16.86Aug 18, 25$17.69Aug 20, 25$17.94Aug 22, 25$19.44Aug 27, 25$18.88Aug 29, 25$18.94Sep 3, 25$18.50Sep 5, 25$19.36Sep 9, 25$18.65Sep 11, 25$17.57Sep 15, 25$15.69Sep 17, 25$17.61Sep 19, 25$17.45Sep 23, 25$17.56Sep 25, 25$18.90Sep 29, 25$18.69Oct 1, 25$20.50Oct 3, 25$20.59Oct 7, 25$20.09Oct 9, 25$19.50Oct 13, 25$19.23Oct 16, 25$19.26Oct 20, 25$18.52Oct 22, 25$18.16Oct 24, 25$17.85Oct 28, 25$17.16Oct 30, 25$15.78Nov 3, 25$15.24Nov 5, 25$12.70Nov 7, 25$14.02Nov 11, 25$14.90Nov 13, 25$16.77Nov 17, 25$21.64Nov 19, 25$28.63Nov 21, 25$17.71Nov 25, 25$16.92Nov 28, 25$17.99Dec 2, 25$16.70Dec 5, 25$16.66Dec 9, 25$16.78Dec 11, 25$17.16Dec 15, 25$15.90Dec 17, 25$15.44Dec 19, 25$14.98Dec 23, 25$15.00Dec 26, 25$14.65Dec 30, 25$14.44Jan 2, 26$15.15Jan 6, 26$15.55Jan 8, 26$15.45Jan 12, 26$15.84Jan 14, 26$16.08Jan 16, 26$15.96Jan 21, 26$15.05Jan 23, 26$15.05Jan 28, 26$15.14Jan 30, 26$14.92Feb 3, 26$15.40Feb 5, 26$13.40Feb 9, 26$14.63Feb 11, 26$14.09Feb 13, 26$8.47Feb 18, 26$8.23Feb 20, 26$8.55Feb 24, 26$8.65Feb 26, 26$8.88Mar 2, 26$8.96Mar 4, 26$9.13Mar 6, 26$9.13Mar 10, 26$8.95Mar 12, 26$9.05Mar 16, 26$8.66Mar 19, 26$9.08Mar 23, 26$8.67Mar 25, 26$9.14Mar 27, 26$9.00Mar 31, 26$8.87Apr 2, 26$9.27Apr 7, 26$8.85Apr 9, 26$8.71Apr 13, 26$8.58Apr 15, 26$8.84Apr 17, 26$8.89Apr 21, 26$8.50Apr 23, 26$8.09Apr 27, 26$7.32Apr 29, 26$7.05May 1, 26$7.61May 5, 26$7.50May 8, 26$7.70May 12, 26$7.96May 14, 26$8.03May 18, 26$7.59May 20, 26$7.66May 22, 26$7.92May 27, 26$7.63May 29, 26$7.32Jun 2, 26$7.33Jun 4, 26$6.85Jun 8, 26$6.28Jun 10, 26$6.49Jun 12, 26$5.70Jun 16, 26$5.97Jun 18, 26$6.61Jun 23, 26$7.05Jun 29, 26$7.28
$5.6252-week range$28.63
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Fundamentals

Key fundamentals

$73.1M

Market cap

—

Revenue growth (YoY)

-423.8%

Gross margin

$865K

Free cash flow (USD)

$37.2M

Net debt

14.0%

Share dilution

0/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$21.8MFY 2017$32.1MFY 2018$28.3MFY 2019$34.5MFY 2020$33.2MFY 2021$144.9MFY 2022$0.00FY 2023$0.00FY 2024$0.00FY 2025$789.0K
$21.8M$789K

Free cash flow by year

2016 → 2025

FY 2016$22.4MFY 2017$-80.2MFY 2018$-64.8MFY 2019$-77.5MFY 2020$-94.2MFY 2021$-2.9MFY 2022$-238.6MFY 2023$-125.3MFY 2024$-149.0MFY 2025$865.0K
$22.4M$865K

Gross margin by year

2021 → 2025

FY 2021100.0%FY 2025-423.8%
100.0%-423.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

4

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 5, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventLease AmendmentJun 5, 2026Filing
  • 8-K eventDirector DepartureJun 1, 2026Filing
  • Insider sellInsider Sell $580 · 10b5-1 PlanHenn Matthew R · See Remarks · $579.8May 19, 2026Filing
  • Insider sellInsider Sell $444Brady Kelly · See Remarks · $444.3May 19, 2026Filing
  • Insider sellInsider Sell $595 · 10b5-1 PlanDesRosier Thomas · See Remarks · $594.9May 19, 2026Filing
  • Insider sellInsider Sell $2K · 10b5-1 PlanShaff Eric D. · Director · $2KMay 19, 2026Filing
  • 8-K eventEarnings ReleaseMay 5, 2026Filing
  • Quarterly report10-Q FiledMay 5, 2026Filing

Questions

Frequently asked questions

What is Seres Therapeutics, Inc.'s market cap?

Seres Therapeutics, Inc. (MCRB) has a market capitalization of $73.1M.

What is MCRB's P/E ratio?

MCRB trades at a price-to-earnings ratio of 11.9, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is MCRB's price-to-book (P/B) ratio?

MCRB trades at 1.65 times book value per share.

Are insiders buying MCRB stock?

SEC Form 4 filings show no open-market insider buys at Seres Therapeutics, Inc. in the last 90 days (4 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.