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Apellis Pharmaceuticals, Inc.
NASDAQ NMS - GLOBAL MARKET · Biotechnology · US
41.03
▲ +0.00%

What's happening at Apellis Pharmaceuticals, Inc.

Apellis Pharmaceuticals, Inc.'s latest moves, explained simply — so you know why the numbers change.

Straight from SEC filings · updated 5 Aug 2026
Big update 14 May 2026

Biogen completes acquisition, Apellis becomes wholly owned subsidiary

The company was bought and is no longer publicly traded, so shareholders' ownership changed completely.

SEC 8-K · filed 2026-05-14 View filing ↗
Earnings 7 May 2026

First quarter 2026 financial results reported

Quarterly earnings show how much money the company made and spent during the first three months of the year.

SEC 10-Q · filed 2026-05-07 View filing ↗
People 4 May 2026

Executive separation benefits plan amended and restated

Changes to employee severance rules affect what workers earn if they leave the company.

SEC 8-K · filed 2026-05-04 View filing ↗
Deal 31 Mar 2026

Biogen agrees to acquire Apellis in merger deal

A larger pharmaceutical company bought Apellis, which means shareholders' stake in the company will change hands.

SEC 8-K · filed 2026-03-31 View filing ↗
People 2 Mar 2026

Mikael Dolsten elected to board of directors

A new experienced leader joined the board to help guide company decisions.

SEC 8-K · filed 2026-03-02 View filing ↗
Earnings 24 Feb 2026

Full year 2025 financial results and business operations

Annual earnings report shows total revenue, expenses, and profits for the entire year to assess company health.

SEC 10-K · filed 2026-02-24 View filing ↗

Common questions

How does Stocky track Apellis Pharmaceuticals, Inc.'s company events?

Stocky reads Apellis Pharmaceuticals, Inc.'s official filings with the U.S. Securities and Exchange Commission (SEC) — the 8-K, 10-Q and 10-K reports every public company must file — and summarizes each one in plain English, with a link back to the original document.

What was Apellis Pharmaceuticals, Inc.'s most recent SEC filing?

Apellis Pharmaceuticals, Inc.'s most recent tracked filing was a 8-K on 14 May 2026: Biogen completes acquisition, Apellis becomes wholly owned subsidiary.

Is this financial advice?

No. These event summaries are educational — generated from public SEC filings to help beginners understand what a company is doing. They are not buy or sell recommendations.

See Apellis Pharmaceuticals, Inc.'s full breakdown on Stocky →

Educational, not financial advice. Company events summarized from public SEC filings.
Data as of 5 Aug 2026.