| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATCX | Class A Common Stock | Sale | $5,453,000 | -532,000 | -47% | $10.25 | 591,656 | 01 Jun 2021 | See footnote | F1, F2 |
| holding | ATCX | Class A Common Stock | 30,651 | 01 Jun 2021 | Direct | ||||||
| holding | ATCX | Class A Common Stock | 82,119 | 01 Jun 2021 | By Cappa Family Trust | ||||||
| holding | ATCX | Class B Common Stock | 861,324 | 01 Jun 2021 | See footnote | F3 |
| Id | Content |
|---|---|
| F1 | 366,245 shares of Class A common stock were sold by Engineering & Testing Services Holdings Corporation ("ETS Holdings"), 133,667 shares of Class A common stock were sold by Engineering Services Holdings Corporation ("ES Holdings") and 32,088 shares of Class A common stock were sold by CEL Consulting Holdings Corporation ("CEL"). |
| F2 | 390,593 shares of Class A common stock are held directly by Engineering & Testing Services Holdings Corporation ("ETS Holdings"), 156,214 shares of Class A common stock are held directly by Engineering Services Holdings Corporation ("ES Holdings") and 44,849 shares of Class A common stock are held directly by CEL Consulting Holdings Corporation ("CEL"). |
| F3 | 580,145 shares of Class B common stock and an equal number of Opco Units are held directly by Engineering & Testing Services Holdings Corporation ("ETS Holdings"), 222,204 shares of Class B common stock and an equal number of Opco Units are held directly by Engineering Services Holdings Corporation ("ES Holdings") and 58,975 shares of Class B common stock and an equal number of Opco Units are held directly by CEL Consulting Holdings Corporation ("CEL"). |