| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SHEPARD GREGORY M | Other* | 15405 ANCHORAGE PLACE, LAKEWOOD RANCH | /s/ Gregory M. Shepard | 23 Dec 2025 | 0001065833 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AESI | Forward Sale Contract (obligation to sell) | Other | +1 | 1 | 19 Dec 2025 | Common Stock | 425,000 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | On December 19, 2025, the Reporting Person entered into a multi-tranche, prepaid variable share forward sale transaction pursuant to a Stock Purchase Agreement (the "Agreement") entered into among the Reporting Person and an unaffiliated third party (the "Buyer") relating to an aggregate of 425,000 shares of common stock of the Issuer, par value $0.01 per share ("Common Stock") and obligating the Reporting Person to deliver to the Buyer up to an aggregate of 425,000 shares of Common Stock (or, at the Reporting Person's election, under certain circumstances, an equivalent amount of cash) to settle all tranches under the Agreement. The Reporting Person received a cash payment of $3,213,794. The Transaction maturity dates are January 10-14, 2028 with each maturity date representing a tranche. |
| F2 | Pursuant to a Pledge Agreement, the Reporting Person pledged 425,000 shares of Common Stock (the "Pledged Shares") to secure its obligations under the Agreement, and retained voting and ordinary dividend rights in the Pledged Shares during the term of the pledge (and thereafter if the Reporting Person settles the Agreement in cash). |
| F3 | Under the Agreement, on the first business day immediately following the maturity date for each tranche, the Reporting Person agrees to deliver to Buyer a number of shares of unrestricted stock (or an equivalent amount of cash, if cash settled) equal to the product of (A) the number of shares in such tranche and (B) (i)if closing price per share of Common Stock on the maturity date (the "Settlement Price") is less than $12.02 ("Cap Level") but greater than $8.16 ("Floor Level"), a ratio equal to the Floor Level divided by the Settlement Price, (ii) if the Settlement Price is equal to or greater than the Cap Level, a ratio equal to a fraction with a numerator equal to the sum of (1) the Floor Level and (2) the excess, if any, of the Settlement Price over the Cap Level, and a denominator equal to the Settlement Price, and (iii) if the Settlement Price is equal to or less than the Floor Level, one (1). |
The Reporting Person may be deemed to be a member of a "group" for the purposes of the Securities Exchange Act of 1934 by virtue of being a party to a Stockholder's Agreement dated October 2, 2023. The Reporting Person disclaims beneficial ownership of any securities deemed to be owned by the group that are not directly owned by the Reporting Person. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.