ALRN insider transaction filings
Aileron Therapeutics, Inc. — 15 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2024-12-09. Screen ALRN transaction legs live →
Insider transaction summary — last 90 days
No Form 4 filings for ALRN between 2026-06-11 and 2026-09-09. The table below lists the most recent filings on record.
Recent Form 4 filings — Aileron Therapeutics, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2024-12-09 | 4 | WINDSOR JAMES BRIAN — President and CEO | Purchase (P): 239 @ $2.24 · Purchase (P): 161 @ $2.25 | EDGAR |
| 2024-12-06 | 4 | Aivado Manuel — Director | Grant/award (A): 35,000 (derivative) @ $0 | EDGAR |
| 2024-12-06 | 4 | Ambros Reinhard J. — Director | Grant/award (A): 35,000 (derivative) @ $0 | EDGAR |
| 2024-12-06 | 4 | Fairey William — Director | Grant/award (A): 35,000 (derivative) @ $0 | EDGAR |
| 2024-12-06 | 4 | Musso Alan A — Director | Grant/award (A): 35,000 (derivative) @ $0 | EDGAR |
| 2024-12-06 | 4 | VON RICKENBACH JOSEF H — Director | Grant/award (A): 35,000 (derivative) @ $0 | EDGAR |
| 2024-12-04 | 4 | WINDSOR JAMES BRIAN — President and CEO | Grant/award (A): 517,500 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | Aivado Manuel — Director | Grant/award (A): 2,725 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | Fairey William — Director | Grant/award (A): 2,725 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | Ambros Reinhard J. — Director | Grant/award (A): 2,725 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | Musso Alan A — Director | Grant/award (A): 2,725 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | VON RICKENBACH JOSEF H — Director | Grant/award (A): 2,725 (derivative) @ $0 | EDGAR |
| 2024-06-17 | 4 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO — 10% owner | Sale (S): 1,900 @ $3.30 · Sale (S): 4,707 @ $3.25 | EDGAR |
| 2024-06-12 | 4 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO — 10% owner | Sale (S): 9,577 @ $3.30 · Sale (S): 5,250 @ $3.25 · Sale (S): 502 @ $3.35 · Sale (S): 9,341 @ $3.25 · Sale (S): 1 @ $3.27 | EDGAR |
| 2024-06-07 | 4 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO — 10% owner | Sale (S): 6,291 @ $3.30 · Sale (S): 1,100 @ $3.27 · Sale (S): 3,184 @ $3.30 · Sale (S): 1,564 @ $3.25 · Sale (S): 176 @ $3.30 | EDGAR |
Recent 8-K events — Aileron Therapeutics, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-04 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-27 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing | EDGAR |
| 2026-07-21 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-04 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-02 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-19 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-01-16 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-11 | 8-K | 1.02 — Termination of a Material Definitive Agreement | EDGAR |
| 2025-11-03 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-24 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 9.01 — Financial Statements and Exhibits | EDGAR |
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