As of June 06, 2026, the three largest insider holders of MGNI are Katie Seitz Evans (President, Operations, 508.04K shares), David Day (Chief Financial Officer, 507.46K shares), Michael G. Barrett (Ceo, 412.16K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael G. Barrett | Ceo | 412,162 | 0 | 18 Feb, 2026 |
| Robert J Frankenberg | - | 119,090 | 0 | 16 Jun, 2023 |
| Douglas S Knopper | - | 160,115 | 0 | 06 Jun, 2025 |
| Paul Caine | - | 153,603 | 0 | 28 Oct, 2025 |
| David Day | Chief Financial Officer | 507,459 | 0 | 18 Feb, 2026 |
| David T. Pearson | - | 75,969 | 0 | 06 Jun, 2025 |
| Rachel Lam | - | 226,822 | 0 | 14 Aug, 2025 |
| Robert F Spillane | - | 53,917 | 0 | 21 Nov, 2025 |
| Lisa L Troe | - | 114,218 | 0 | 12 Jun, 2023 |
| Katie Seitz Evans | President, Operations | 508,044 | 0 | 18 Feb, 2026 |
| Adam Lee Soroca | Chief Product Officer | 388,425 | 0 | 18 Feb, 2026 |
| Brian Gephart | Chief Accounting Officer | 122,385 | 0 | 18 Feb, 2026 |
| Sarah Patricia Harden | - | 149,939 | 0 | 06 Jun, 2025 |
| Aaron Saltz | Chief Legal Officer | 275,643 | 0 | 18 Feb, 2026 |
| Sean Patrick Buckley | President, Revenue | 402,999 | 0 | 18 Feb, 2026 |
| James Allen Dove | Chief Technology Officer | 191,071 | 0 | 17 Aug, 2022 |
| Diane Yu | - | 67,481 | 0 | 27 Aug, 2025 |
| David Buonasera | Chief Technology Officer | 302,095 | 0 | 18 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Feb, 2026 | Aaron Saltz | Common Stock | D | 12,761 | $11.70 | 275,643 | D | F |
| 15 Feb, 2026 | Michael G. Barrett | Common Stock | D | 23,549 | $11.70 | 412,162 | D | F |
| 15 Feb, 2026 | Adam Lee Soroca | Common Stock | D | 18,933 | $11.70 | 409,954 | D | F |
| 15 Feb, 2026 | Brian Gephart | Common Stock | D | 6,149 | $11.70 | 122,385 | D | F |
| 15 Feb, 2026 | David Day | Common Stock | D | 30,617 | $11.70 | 507,459 | D | F |
| 15 Feb, 2026 | Adam Lee Soroca | Common Stock | D | 18,933 | $11.70 | 409,954 | D | F |
| 15 Feb, 2026 | Sean Patrick Buckley | Common Stock | D | 26,942 | $11.70 | 402,999 | D | F |
| 15 Feb, 2026 | David Buonasera | Common Stock | D | 17,137 | $11.70 | 302,095 | D | F |
| 15 Feb, 2026 | Aaron Saltz | Common Stock | D | 12,761 | $11.70 | 275,643 | D | F |
| 15 Feb, 2026 | Katie Seitz Evans | Common Stock | D | 27,428 | $11.70 | 508,044 | D | F |
| 18 Feb, 2026 | Adam Lee Soroca | Common Stock | D | 21,529 | $12.00 | 388,425 | D | S |
| 18 Feb, 2026 | Adam Lee Soroca | Common Stock | D | 21,529 | $12.00 | 388,425 | D | S |
| 09 Jan, 2026 | Aaron Saltz | Common Stock | A | 28,215 | $0.00 | 303,430 | D | M |
| 09 Jan, 2026 | Aaron Saltz | Common Stock | A | 28,215 | $0.00 | 303,430 | D | M |
| 09 Jan, 2026 | Sean Patrick Buckley | Common Stock | A | 64,125 | $0.00 | 460,310 | D | M |
| 09 Jan, 2026 | Michael G. Barrett | Common Stock | A | 213,750 | $0.00 | 545,453 | D | M |
| 09 Jan, 2026 | Katie Seitz Evans | Common Stock | A | 51,300 | $0.00 | 562,308 | D | M |
| 09 Jan, 2026 | Adam Lee Soroca | Common Stock | A | 51,300 | $0.00 | 454,217 | D | M |
| 09 Jan, 2026 | Adam Lee Soroca | Common Stock | A | 51,300 | $0.00 | 454,217 | D | M |
| 09 Jan, 2026 | David Day | Common Stock | A | 72,675 | $0.00 | 573,245 | D | M |