Regeneron (REGN) Protective Put Calculator

Calculator · free · no signup · REGN

Price a protective put, zero-cost collar, or put spread on Regeneron. Annual cost, max loss, upside cap, tax treatment, auto-filled from current REGN option chain.

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About Regeneron

Regeneron (REGN) is a public Other company, incorporated in New York and headquartered in Tarrytown, NY.

Equity grants at Regeneron typically include restricted stock units (RSUs).

Regeneron Pharmaceuticals, Inc. is an American biotechnology company headquartered in Westchester County, New York. The company was founded in 1988. Originally focused on neurotrophic factors and their regenerative capabilities, giving rise to its present name; the company has since expanded operations into the study of both cytokine and tyrosine kinase receptors, which gave rise to their first product, which is a VEGF-trap.

Source: Wikipedia (CC BY-SA 4.0)

Leonard Schleifer founded the company in 1988 and recruited George Yancopoulos, who built the antibody discovery platforms VelociSuite and VelocImmune that produce most of its pipeline internally rather than by acquisition. Eylea for retinal disease became the commercial anchor, Dupixent with Sanofi grew into a large immunology franchise, and REGEN-COV was authorized during the pandemic. The company retains an unusual scientist-led culture and a long partnership with Sanofi. Headquarters and laboratories are in Tarrytown, New York.

Sources: regeneron.com · en.wikipedia.org

Equity comp at Regeneron

  • RSUs use single-trigger vesting: shares become yours as each portion vests on schedule, and the value is taxed as ordinary income at that point. No IPO or acquisition is required.

Researched 2026-08-17.

OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Regeneron.

A protective put caps your downside on the REGN position at a chosen floor; a zero-cost collar pays for that floor by capping the upside. This calculator prices both structures off the current REGN option chain, with annual cost, max loss, and tax-treatment notes.

All Regeneron tools → · Use the generic Protect Your Stock Calculator for any company.

Regeneron equity questions

How much does it cost to hedge REGN stock?
The cost of a protective put depends on how far below the current price you set the floor, how long the protection lasts, and REGN's option-implied volatility. A zero-cost collar lowers that cost by selling away some upside. The calculator above prices both structures off the current REGN option chain and shows the annual cost, maximum loss, and tax treatment.
Does Regeneron grant ISOs, NSOs, or RSUs?
Equity compensation at Regeneron typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
Do Regeneron RSUs use double-trigger vesting?
No. Regeneron restricted stock units (RSUs) use single-trigger vesting: each tranche becomes yours as it vests on schedule, taxed as ordinary income at that point, with no liquidity event required.
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