Catherine Mazzacco
CIK: 0001967722
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Sep 14, 2026KRYS
Krystal Biotech, Inc.
Award(A)DirectStock Option (Right to Buy)
1.2K shares- - Sep 14, 2026KRYS
Krystal Biotech, Inc.
Award(A)DirectRestricted Stock Units
471 shares- - Jun 4, 2026SGHT
Sight Sciences, Inc.
Award(A)Direct28.3K shares- - Sep 11, 2025SGHT
Sight Sciences, Inc.
Gift(G)Direct37.5K shares- - Jun 30, 2025KRYS
Krystal Biotech, Inc.
Award(A)DirectStock Option (Right to Buy)
5K shares- - Jun 5, 2025SGHT
Sight Sciences, Inc.
Award(A)Direct31K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 14, 2026 |  KRYS Krystal Biotech, Inc. | Award(A) Stock Option (Right to Buy) | 1,187 | - | - | Direct |
| Sep 14, 2026 | KRYS Krystal Biotech, Inc. | Award(A) Restricted Stock Units | 471 | - | - | Direct |
| Jun 4, 2026 |  SGHT Sight Sciences, Inc. | Award(A) | 28,261 | - | $0 | Direct |
| Sep 11, 2025 | SGHT Sight Sciences, Inc. | Gift(G) | 37,492 | - | - | Direct |
| Jun 30, 2025 | KRYS Krystal Biotech, Inc. | Award(A) Stock Option (Right to Buy) | 5,000 | - | - | Direct |
| Jun 5, 2025 | SGHT Sight Sciences, Inc. | Award(A) | 30,952 | - | - | Direct |
1-6 of 6 transactions
About Mazzacco Catherine
Mazzacco Catherine (SEC CIK 0001967722) files insider reports with the SEC as Director of Krystal Biotech, Inc. (KRYS) and Director of Sight Sciences, Inc. (SGHT).
Signal8 holds 5 ownership filings by Mazzacco Catherine, all Form 4s, filed between Jun 10, 2025 and Sep 16, 2026. Those filings report 6 transactions, from Jun 5, 2025 to Sep 14, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Mazzacco Catherine's filings is in PITTSBURGH, PA.
Recent filings by Mazzacco Catherine
- Sep 14, 2026: Grants or awards of KRYS derivative securities (2 lines, Form 4, code A).
- Jun 4, 2026: Grant or award of SGHT shares (Form 4, code A).
- Sep 11, 2025: Gift of SGHT shares (Form 4, code G).
- Jun 30, 2025: Grant or award of KRYS derivative securities (Form 4, code A).
- Jun 5, 2025: Grant or award of SGHT shares (Form 4, code A).
Other insiders filing for Krystal Biotech, Inc. (KRYS)
- ROSSI DINO A, Director
- Sutherland Everett Rand, Director
- Mason Christopher, Director
- JANNEY DANIEL, Director
- Gangolli Julian S, Director
- Krishnan Suma, President, R&D