Insider · CIK 0001487989

Nichtberger Steven

Reports to the SEC for 2 companies · PHILADELPHIA, PA

sec.gov

Transactions

Companies

Filings

CIK

0001487989

Forms 4 and 5

Insider transactions

36 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-03-02	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+674K sh	—	—	674,000
2026-01-21	CABACabaletta Bio, Inc.P Purchase	Director, President & CEO	PPurchase	+45K sh	$2.24	+$101K	1,031,483
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President & CEO	DDisposition to Issuer	−99.7K sh	—	—	0
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+99.7K sh	—	—	99,714
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President & CEO	DDisposition to Issuer	−300K sh	—	—	0
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+300K sh	—	—	300,000
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President & CEO	DDisposition to Issuer	−334K sh	—	—	0
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+334K sh	—	—	333,500
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President & CEO	DDisposition to Issuer	−380K sh	—	—	0
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+380K sh	—	—	380,000
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President & CEO	DDisposition to Issuer	−412K sh	—	—	0
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+412K sh	—	—	411,600
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President & CEO	DDisposition to Issuer	−353K sh	—	—	0
2025-05-19	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+353K sh	—	—	353,000
2025-03-03	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+450K sh	—	—	450,000
2024-03-01	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+353K sh	—	—	353,000
2023-01-18	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+412K sh	—	—	411,600
2022-10-19	CABACabaletta Bio, Inc.P Purchase	Director, President & CEO	PPurchase	+8,127 sh	$1.25	+$10.2K	986,483
2022-10-18	CABACabaletta Bio, Inc.P Purchase	Director, President & CEO	PPurchase	+142K sh	$0.99	+$141K	978,356
2022-01-31	CABACabaletta Bio, Inc.M Exercise/Conversion	Director, President & CEO	MExercise/Conversion	+50K sh	$1.01	+$50.5K	836,483
2022-01-31	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President & CEO	MExercise/Conversion	−50K sh	—	—	229,677
2022-01-18	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+380K sh	—	—	380,000
2021-03-01	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+334K sh	—	—	333,500
2020-12-08	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+93.2K sh	—	—	93,226
2020-03-01	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+300K sh	—	—	300,000
2019-12-11	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+93.2K sh	—	—	93,225
2019-10-29	CABACabaletta Bio, Inc.C Conversion	Director, President & CEO	CConversion	+60.5K sh	—	—	786,483
2019-10-29	CABACabaletta Bio, Inc. · Series A-1 Preferred StockC Conversion	Director, President & CEO	CConversion	−90.7K sh	—	—	0
2019-10-24	CABACabaletta Bio, Inc. · Stock Option (Right to Buy)A Award	Director, President & CEO	AAward	+99.7K sh	—	—	99,714
2011-05-11	TENGION INCA Award	Director, President and CEO	AAward	+86.7K sh	—	—	153,398
2011-05-11	TENGION INCStock Option (Right to Buy)A Award	Director, President and CEO	AAward	+130K sh	—	—	130,000
2010-10-18	TENGION INCStock Option (Right to Buy)A Award	Director, President and CEO	AAward	+150K sh	—	—	150,000
2010-04-14	TENGION INCC Conversion	Director, President and CEO	CConversion	+6,411 sh	—	—	66,731
2010-04-14	TENGION INCSeries A Convertible Preferred StockC Conversion	Director, President and CEO	CConversion	−62.8K sh	—	—	0
2010-04-14	TENGION INCSeries B Convertible Preferred StockC Conversion	Director, President and CEO	CConversion	−27.5K sh	—	—	0
2010-04-14	TENGION INCSeries C Convertible Preferred StockC Conversion	Director, President and CEO	CConversion	−2,747 sh	—	—	0

Recent filings

Accepted (ET)
Mar 24
Nichtberger Steven0001193125-26-086123
SEC(opens sec.gov)
Jan 214
Nichtberger Steven0001193125-26-018318
SEC(opens sec.gov)
May 194
Nichtberger Steven0000950170-25-074826
SEC(opens sec.gov)
Mar 44
Nichtberger Steven0000950170-25-032271
SEC(opens sec.gov)
Mar 44
Nichtberger Steven0000950170-24-025012
SEC(opens sec.gov)
Jan 274
Nichtberger Steven0000899243-23-002914
SEC(opens sec.gov)
Oct 194
Nichtberger Steven0000899243-22-033850
SEC(opens sec.gov)
Oct 184
Nichtberger Steven0000899243-22-033779
SEC(opens sec.gov)
Feb 24
Nichtberger Steven0000899243-22-004158
SEC(opens sec.gov)

Companies

Address

C/O CABALETTA BIO, INC. 2929 ARCH STREET, SUITE 600

PHILADELPHIA, PA, 19104