Welcome to our dedicated page for Spirit Aerosys SEC filings (Ticker: SPR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Spirit AeroSystems builds the fuselages and wing systems that keep Boeing, Airbus, and defense jets in the air—yet its SEC documents run hundreds of pages packed with fixed-price contract math, composite material cost curves, and program-specific risk factors. Finding where 737 MAX schedule changes hit margins or when executives buy shares can feel impossible.
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SpringWorks Therapeutics, Inc. (NASDAQ: SWTX) filed seven Post-Effective Amendments on Form S-8 to deregister all unsold shares previously registered for issuance under its 2019 employee equity plans. The action follows the closing of its merger with Merck KGaA, Darmstadt, Germany on 1 July 2025, under which SpringWorks became a wholly owned subsidiary of Merck through EMD Holdings Merger Sub, Inc.
The amendments cover the following historical S-8 registrations:
- Reg. Nos. 333-234365, 333-237350, 333-253531, 333-262996, 333-270096, 333-277380 and 333-285076.
- In aggregate, these filings had registered tens of millions of common shares for the 2019 Stock Option & Incentive Plan, the Amended & Restated 2019 Equity Incentive Plan and the 2019 Employee Stock Purchase Plan.
Because the company is now private, SpringWorks has terminated all offerings under these plans. Consistent with undertakings in each registration statement, any securities that remained unsold as of the merger date are withdrawn from registration. The filing is signed on behalf of the company by Secretary Michael MacDougall and relies on Rule 478 of the Securities Act to omit additional signatures.
The amendments are largely administrative, signalling the end of SpringWorks’ status as an independent public issuer and the cessation of share issuance under its legacy equity compensation and ESPP programmes.
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