Insider · CIK 0001720907

O'Brien Stephanie Monaghan

Reports to the SEC for 1 company · WALTHAM, MA

sec.gov

Transactions

Companies

Filings

CIK

0001720907

Forms 4 and 5

Insider transactions

30 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-14	APLSApellis Pharmaceuticals, Inc.U Disposition from Tender	Director	UDisposition from Tender	−25.7K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc.U Disposition from Tender	Director	UDisposition from Tender	−5,750 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−3,062 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−5,744 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−7,961 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−3,877 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−3,544 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−17.6K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−122K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−14.7K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−27.6K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−11.2K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−8,554 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−7,441 sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−27.6K sh	—	—	0
2026-05-14	APLSApellis Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−5,748 sh	—	—	0
2026-04-06	APLSApellis Pharmaceuticals, Inc.J Other	Director	JOther	+5,750 sh	—	—	5,750
2026-01-01	APLSApellis Pharmaceuticals, Inc.A Award	Director	AAward	+7,961 sh	—	—	25,666
2026-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+14.7K sh	—	—	14,684
2025-01-01	APLSApellis Pharmaceuticals, Inc.A Award	Director	AAward	+6,267 sh	—	—	17,705
2025-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+11.2K sh	—	—	11,199
2024-01-01	APLSApellis Pharmaceuticals, Inc.A Award	Director	AAward	+3,341 sh	—	—	11,438
2024-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+5,748 sh	$59.86	+$344K	5,748
2023-01-01	APLSApellis Pharmaceuticals, Inc.A Award	Director	AAward	+3,867 sh	—	—	8,097
2023-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+7,441 sh	—	—	7,441
2022-01-01	APLSApellis Pharmaceuticals, Inc.A Award	Director	AAward	+4,230 sh	—	—	4,230
2022-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+8,554 sh	—	—	8,554
2021-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+27.6K sh	—	—	27,600
2020-01-01	APLSApellis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+27.6K sh	$30.62	+$845K	27,600
2019-01-01	APLSApellis Pharmaceuticals, Inc. · Stock option (right to buy)A Award	Director	AAward	+17.6K sh	—	—	17,580

Recent filings

Accepted (ET)
May 144
O'Brien Stephanie Monaghan0001193125-26-224592
SEC(opens sec.gov)
Apr 84
O'Brien Stephanie Monaghan0001492422-26-000099
SEC(opens sec.gov)
Jan 54
O'Brien Stephanie Monaghan0001492422-26-000011
SEC(opens sec.gov)
Jan 34
O'Brien Stephanie Monaghan0001127602-25-000440
SEC(opens sec.gov)

Companies

Apellis Pharmaceuticals, Inc.DirectorAPLS

Address

C/O APELLIS PHARMACEUTICALS, INC. 100 FIFTH AVENUE, 3RD FLOOR

WALTHAM, MA, 02451