ATEN's three largest insider shareholders as of March 23, 2026 are Partners L P Summit (TenPercentOwner, 5.39Mn shares), Dhrupad Trivedi (Chief Executive Officer, 695.24K shares), Robert D Cochran (Evp Legal Corp Collaboration, 344.16K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Partners L P Summit | - | 0 | 8,877,890 | 09 Dec, 2021 |
| Partners L P Summit | - | 0 | 5,388,206 | 09 Sep, 2022 |
| Dhrupad Trivedi | Chief Executive Officer | 695,235 | 0 | 03 Mar, 2026 |
| Robert D Cochran | Evp Legal Corp Collaboration | 344,161 | 0 | 29 Jun, 2022 |
| Tor Braham | - | 185,579 | 0 | 18 Apr, 2025 |
| Matthew P Bruening | Evp, Worldwide Sales Mktg | 85,307 | 0 | 14 Nov, 2023 |
| Brian Becker | Chief Financial Officer | 77,599 | 0 | 14 Aug, 2025 |
| Robert Scott Weber | General Counsel | 54,210 | 0 | 03 Mar, 2026 |
| Dana Elizabeth Wolf | - | 52,828 | 0 | 18 Apr, 2025 |
| Sheen George Khoury | Executive Vp, Sales And Mktg | 44,294 | 0 | 13 Feb, 2026 |
| Dana Elizabeth Wolf | - | 40,130 | 0 | 10 May, 2024 |
| Karen S. Thomas | Evp, Worldwide Sales And Mkt | 28,152 | 0 | 30 Dec, 2024 |
| Michelle Elizabeth Caron | Chief Financial Officer | 19,684 | 0 | 13 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 28 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 10,101 | $19.26 | 695,235 | D | F |
| 28 Feb, 2026 | Robert Scott Weber | Common Stock | D | 757 | $19.26 | 54,210 | D | F |
| 24 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 8,261 | $18.99 | 705,336 | D | F |
| 11 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 33,333 | $20.69 | 648,748 | D | S |
| 12 Feb, 2026 | Sheen George Khoury | Common Stock | A | 7,771 | $0.00 | 44,294 | D | A |
| 12 Feb, 2026 | Robert Scott Weber | Common Stock | A | 7,413 | $0.00 | 54,967 | D | A |
| 12 Feb, 2026 | Michelle Elizabeth Caron | Common Stock | A | 5,978 | $0.00 | 19,684 | D | A |
| 12 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 33,333 | $20.56 | 615,415 | D | S |
| 12 Feb, 2026 | Robert Scott Weber | Performance-based Restricted Stock Units | A | 7,413 | $0.00 | 7,413 | D | A |
| 12 Feb, 2026 | Sheen George Khoury | Performance-based Restricted Stock Units | A | 7,771 | $0.00 | 7,771 | D | A |
| 12 Feb, 2026 | Michelle Elizabeth Caron | Performance-based Restricted Stock Units | A | 5,978 | $0.00 | 5,978 | D | A |
| 12 Feb, 2026 | Dhrupad Trivedi | Common Stock | A | 131,516 | $0.00 | 746,931 | D | A |
| 13 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 33,334 | $20.55 | 713,597 | D | S |
| 12 Feb, 2026 | Dhrupad Trivedi | Performance-based Restricted Stock Units | A | 131,516 | $0.00 | 131,516 | D | A |
| 10 Feb, 2026 | Robert Scott Weber | Common Stock | D | 1,897 | $20.92 | 47,554 | D | F |
| 10 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 8,261 | $20.92 | 682,081 | D | F |
| 31 Jan, 2026 | Dhrupad Trivedi | Common Stock | D | 10,102 | $17.44 | 752,287 | D | F |
| 31 Jan, 2026 | Robert Scott Weber | Common Stock | D | 836 | $17.44 | 54,065 | D | F |
| 01 Feb, 2026 | Dhrupad Trivedi | Common Stock | D | 61,945 | $17.44 | 690,342 | D | F |
| 01 Feb, 2026 | Robert Scott Weber | Common Stock | D | 4,614 | $17.44 | 49,451 | D | F |