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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1492422	Apellis Pharmaceuticals Inc.	APLS	Pharmaceutical Preparations (2834)	271537290

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1657719	O. David Watson	C/O Apellis Pharmaceuticals, Inc 100 Fifth Avenue, 3Rd Floor Waltham MA 02451	General Counsel	No	Yes	No	No

Transaction Summary

Sold:	5,000 shares	Avg. Price: $18.77	Total Value: $93,850.00
Number of Shares After Transactions:	133,730 shares

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2025-06-16	5,000	$18.77	133,730	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	10,000	Indirect	Indirect Owner (Custodial Account for minor children)
Common Stock	70,136	Indirect	Indirect Owner (The David O. Watson Irrevocable Trust of 2023)

Footnotes

This is a scheduled sale from an established 10B5-1 trading plan.
This represents a custodial account held by the reporting person for the sole benefit of his minor children.
The securities are held by The David O. Watson Irrevocable Trust of 2023. William Zorn is the trustee of The David O. Watson Irrevocable Trust of 2023. The reporting person disclaims beneficial ownership over the shares held by The David O. Watson Irrevocable Trust of 2023 except to the extent of his pecuniary interest therein.