| Type | Value |
|---|---|
| cik | 0001420565 |
| ticker | ALRN |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 21 May 2026 | PURCHASE | VON RICKENBACH JOSEF H | 3,420 | 1.04 USD | |
| 22 May 2026 | PURCHASE | VON RICKENBACH JOSEF H | 15,950 | 1.05 USD | |
| 26 May 2026 | PURCHASE | VON RICKENBACH JOSEF H | 23,190 | 1.06 USD | |
| 27 May 2026 | PURCHASE | VON RICKENBACH JOSEF H | 4,500 | 1.07 USD | |
| 30 Apr 2026 | PURCHASE | WINDSOR JAMES BRIAN | 25,000 | 1.00 USD | |
| 08 May 2026 | GRANT_AWARD | WINDSOR JAMES BRIAN | 150,000 | 0.00 USD | deriv |
| 14 Nov 2025 | PURCHASE | Voss Value Master Fund, LPentity | 104,183 | 1.22 USD | indirect |
| 24 Oct 2025 | PURCHASE | Voss Value-Oriented Special Situations Fund, LPentity | 30,176 | 1.39 USD | indirect |
| 27 Oct 2025 | PURCHASE | Voss Value-Oriented Special Situations Fund, LPentity | 92,642 | 1.37 USD | indirect |
| 27 Oct 2025 | PURCHASE | Voss Value-Oriented Special Situations Fund, LPentity | 4,840 | 1.37 USD | indirect |
| 28 Oct 2025 | PURCHASE | Voss Value-Oriented Special Situations Fund, LPentity | 178,392 | 1.39 USD | indirect |
| 23 Jul 2025 | GRANT_AWARD | Ambros Reinhard J. | 17,500 | 0.00 USD | deriv |
| 23 Jul 2025 | GRANT_AWARD | VON RICKENBACH JOSEF H | 17,500 | 0.00 USD | deriv |
| 23 Jul 2025 | GRANT_AWARD | Fairey William | 17,500 | 0.00 USD | deriv |
| 23 Jul 2025 | GRANT_AWARD | Musso Alan A | 17,500 | 0.00 USD | deriv |
| 23 Jul 2025 | GRANT_AWARD | Aivado Manuel | 17,500 | 0.00 USD | deriv |
| 05 Dec 2024 | PURCHASE | WINDSOR JAMES BRIAN | 239 | 2.24 USD | indirect |
| 05 Dec 2024 | PURCHASE | WINDSOR JAMES BRIAN | 161 | 2.25 USD | indirect |
| 02 Dec 2024 | GRANT_AWARD | Musso Alan A | 35,000 | 0.00 USD | deriv |
| 02 Dec 2024 | GRANT_AWARD | Ambros Reinhard J. | 35,000 | 0.00 USD | deriv |
| 02 Dec 2024 | GRANT_AWARD | Aivado Manuel | 35,000 | 0.00 USD | deriv |
| 02 Dec 2024 | GRANT_AWARD | VON RICKENBACH JOSEF H | 35,000 | 0.00 USD | deriv |
| 02 Dec 2024 | GRANT_AWARD | Fairey William | 35,000 | 0.00 USD | deriv |
| 02 Dec 2024 | GRANT_AWARD | WINDSOR JAMES BRIAN | 517,500 | 0.00 USD | deriv |
| 20 Aug 2024 | GRANT_AWARD | Musso Alan A | 2,725 | 0.00 USD | deriv |