Nichtberger Steven

CIK 00014879892 companiesPHILADELPHIA, PA

SEC Profile

Transactions

Companies

Filings

CIK

0001487989

Recent Transactions

35 trades

Purchase
Cabaletta Bio, Inc.$CABA
Common Stock
2026-01-21$2.24/sh+45,000→ 1,031,483 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19+333,500→ 333,500 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19+99,714→ 99,714 total
Disposition to Issuer
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19−333,500→ 0 total
Disposition to Issuer
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19−300,000→ 0 total
Disposition to Issuer
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19−380,000→ 0 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19+380,000→ 380,000 total
Disposition to Issuer
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19−353,000→ 0 total
Disposition to Issuer
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19−99,714→ 0 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19+353,000→ 353,000 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19+300,000→ 300,000 total
Disposition to Issuer
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19−411,600→ 0 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-05-19+411,600→ 411,600 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2025-03-03+450,000→ 450,000 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2024-03-01+353,000→ 353,000 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2023-01-18+411,600→ 411,600 total
Purchase
Cabaletta Bio, Inc.$CABA
Common Stock
2022-10-19$1.25/sh+8,127→ 986,483 total
Purchase
Cabaletta Bio, Inc.$CABA
Common Stock
2022-10-18$0.99/sh+141,873→ 978,356 total
Exercise/Conversion
Cabaletta Bio, Inc.$CABA
Common Stock
2022-01-31$1.01/sh+50,000→ 836,483 total
Exercise/Conversion
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2022-01-31−50,000→ 229,677 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2022-01-18+380,000→ 380,000 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2021-03-01+333,500→ 333,500 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2020-12-08+93,226→ 93,226 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2020-03-01+300,000→ 300,000 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2019-12-11+93,225→ 93,225 total
Conversion
Cabaletta Bio, Inc.$CABA
Common Stock
2019-10-29+60,483→ 786,483 total
Conversion
Cabaletta Bio, Inc.$CABA
Series A-1 Preferred Stock
2019-10-29−90,725→ 0 total
Award
Cabaletta Bio, Inc.$CABA
Stock Option (Right to Buy)
2019-10-24+99,714→ 99,714 total
Award
TENGION INC
Common Stock
2011-05-11+86,667→ 153,398 total
Award
TENGION INC
Stock Option (Right to Buy)
2011-05-11+130,000→ 130,000 total
Award
TENGION INC
Stock Option (Right to Buy)
2010-10-18+150,000→ 150,000 total
Conversion
TENGION INC
Series C Convertible Preferred Stock
2010-04-14−2,747→ 0 total
Conversion
TENGION INC
Series A Convertible Preferred Stock
2010-04-14−62,762→ 0 total
Conversion
TENGION INC
Common Stock
2010-04-14+6,411→ 66,731 total
Conversion
TENGION INC
Series B Convertible Preferred Stock
2010-04-14−27,473→ 0 total

Companies

Recent Filings

Address

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

PHILADELPHIA, PA, 19104

View on SEC.gov