InStockRx
Techstars '23Palm Harbor, US · Founded 2020 · 2 employees on LinkedIn · 2 known investors
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InStockRx operates a pharmacy-to-pharmacy marketplace platform enabling independent pharmacies to buy and sell surplus medications while maintaining DSCSA compliance. The platform helps pharmacies reduce waste, save on medication costs (averaging $400K annually vs NADAC pricing), and build trusted trading networks.
Also known as InStock Rx
Founders & leadership
InStockRx was founded in 2020 by Jeremy Froehner.

Investors · 2
How we know: FCA Venture Partners's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Techstars's portfolio page · the Techstars portfolio · open dataset · Top 3000 Accelerator Startups (no YC) 2026-08 · research · techstars.com · open dataset · 5k.vc investor directory · Not right? Tell us
Funding
SEC filings, press & company announcements$5M disclosed across 1 round · 2026
Source: company announcements and press reports — follow each round's link for the claim.
Company profile
researched Sep 2026InStockRx operates an online marketplace on which verified, licensed and DEA-registered pharmacies buy and sell in-date surplus medication directly with one another. Sellers list overstock they cannot move and convert it into cash; buyers search for items they are short on and source them from peers rather than paying full wholesale price. Each completed trade automatically generates T3 documentation — transaction information, transaction history and transaction statement — and captures lot, GTIN, serial number and expiration, so that transactions support participants' DSCSA obligations and are audit-ready without manual paperwork.
The platform is positioned for several pharmacy segments: independent pharmacies seeking cash flow, chains and multi-location operators balancing inventory across sites, specialty pharmacies recovering value on high-cost returned product, long-term care pharmacies handling returns, and health systems and hospitals that want a documented alternative to reverse distribution and destruction. Additional features include in-platform messaging between counterparties, Trading Partner Groups that let members build private networks of preferred partners, and Pharmacy Concierge support staffed by account managers. The company states the marketplace works alongside the pharmacy management systems its users already run and that its transaction documentation is GS1 certified.
For buying groups, GPOs and state pharmacy associations, InStockRx builds white-labeled, closed marketplaces carrying the partner organization's brand, with InStockRx operating the infrastructure, member onboarding, documentation and support. Partners receive member-level reporting and a revenue share on member activity, typically structured as a royalty for use of their name, on a non-exclusive basis with no cost to the organization.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 3
Companies working in the same space as InStockRx.
Timeline · 2
launches, deals, and filingsInStockRx announced a $5 million Series A to expand its pharmacy-to-pharmacy marketplace for trading brand medications and extend the network to larger operators and organizations. Techstars participated in the round.
$5M source ↗
InStockRx completed the Techstars Boston Accelerator program in 2023.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- InStockRxinstockrx.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does InStockRx do?
- InStockRx runs a verified pharmacy-to-pharmacy marketplace for trading surplus in-date medication with DSCSA T3 documentation.
- Who founded InStockRx?
- InStockRx was founded by Jeremy Froehner in 2020.
- Who are InStockRx's investors?
- InStockRx's investors include FCA Venture Partners, Techstars.
- How much funding has InStockRx raised?
- InStockRx has disclosed $5M raised across 1 round.
- Where is InStockRx headquartered?
- InStockRx is headquartered in Palm Harbor, US.



