AMAM insider transaction filings
Ambrx Biopharma, Inc. — 8 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2024-03-07. Screen AMAM transaction legs live →
Insider transaction summary — last 90 days
No Form 4 filings for AMAM between 2026-06-17 and 2026-09-15. The table below lists the most recent filings on record.
Recent Form 4 filings — Ambrx Biopharma, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2024-03-07 | 4 | Aromando Andrew — Chief Operating Officer | Disposition to issuer (D): 100,000 (derivative) · Disposition to issuer (D): 371,428 (derivative) · Disposition to issuer (D): 55,570 (derivative) | EDGAR |
| 2024-03-07 | 4 | Loesberg Janet — Director | Disposition to issuer (D): 12,142 (derivative) · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 15,000 (derivative) | EDGAR |
| 2024-03-07 | 4 | Hermans Kate — Director | Disposition to issuer (D): 12,142 (derivative) · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 15,000 (derivative) · Disposition to issuer (D): 30,000 (derivative) | EDGAR |
| 2024-03-07 | 4 | Nelson Sonja — Chief Financial Officer | Disposition to issuer (D): 22,936 · Disposition to issuer (D): 107,143 (derivative) · Disposition to issuer (D): 50,000 (derivative) · Disposition to issuer (D): 367,799 (derivative) · Disposition to issuer (D): 121,427 (derivative) · Disposition to issuer (D): 60,714 (derivative) · +1 more | EDGAR |
| 2024-03-07 | 4 | O'Connor Daniel J. — President and CEO, Director | Disposition to issuer (D): 48,202 · Disposition to issuer (D): 294,643 (derivative) · Disposition to issuer (D): 750,000 (derivative) · Disposition to issuer (D): 772,857 (derivative) · Disposition to issuer (D): 173,785 (derivative) | EDGAR |
| 2024-03-07 | 4 | Glover Stephen C. — Director | Disposition to issuer (D): 12,142 (derivative) · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 2,500 (derivative) · Disposition to issuer (D): 5,714 (derivative) | EDGAR |
| 2024-03-07 | 4 | DALESANDRO MARGARET — Director | Disposition to issuer (D): 17,857 (derivative) · Disposition to issuer (D): 10,119 (derivative) | EDGAR |
| 2024-03-07 | 4 | MAIER PAUL V — Director | Disposition to issuer (D): 12,142 (derivative) · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 15,000 (derivative) | EDGAR |
Recent 8-K events — Ambrx Biopharma, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2024-03-12 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2024-03-07 | 8-K | 1.02 — Termination of a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 3.03 — Material Modification to Rights of Security Holders 5.01 — Changes in Control of Registrant 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
| 2024-03-06 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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