As of May 23, 2026, the three largest insider holders of SEMR are Oleg Shchegolev (Chief Technology Officer, 26.74Mn shares), Holdings Ltd. Semr (TenPercentOwner, 16.26Mn shares), Dylan Pearce (Director, 10.48Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| William Raymond Wagner | Chief Executive Officer | 1,630,097 | 0 | 29 Dec, 2025 |
| Delbert M Humenik | Chief Revenue Officer | 90,073 | 0 | 09 Jan, 2023 |
| Mark Vranesh | - | 116,693 | 0 | 23 Jul, 2025 |
| Caroline J Tsay | - | 44,389 | 0 | 10 Jun, 2025 |
| Steven Aldrich | - | 56,886 | 0 | 10 Jun, 2025 |
| David W Mason | Chief Legal Officer | 271,248 | 0 | 09 Mar, 2026 |
| Roman Simonov | - | 34,602 | 0 | 26 Jul, 2023 |
| Evgeny Fetisov | Chief Financial Officer | 135,330 | 0 | 05 Apr, 2023 |
| Oleg Shchegolev | Chief Technology Officer | 0 | 26,739,320 | 22 May, 2025 |
| Katryn Shineman Blake | - | 68,393 | 0 | 10 Jun, 2025 |
| Vitalii Obishchenko | Chief Operating Officer | 1,020,063 | 0 | 05 Mar, 2025 |
| Dylan Pearce | - | 0 | 10,483,900 | 04 Mar, 2022 |
| Eugenie Levin | President | 577,985 | 0 | 03 Apr, 2026 |
| Dmitry Melnikov | - | 0 | 8,998,437 | 17 Dec, 2025 |
| Holdings Ltd. Semr | - | 16,256,100 | 0 | 16 Feb, 2023 |
| Andrew Warden | Chief Marketing Officer | 338,903 | 0 | 03 Apr, 2026 |
| Anna Baird | - | 44,518 | 0 | 10 Jun, 2025 |
| Brian Mulroy | Chief Financial Officer | 1,015,576 | 0 | 13 Apr, 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 |
|---|---|---|---|---|---|---|---|---|
| 10 Apr, 2026 | Brian Mulroy | Class A Common Stock | D | 3,941 | $11.94 | 1,015,576 | D | F |
| 01 Apr, 2026 | Oleg Shchegolev | Class A Common Stock | D | 6,533 | $11.96 | 7,167,655 | D | F |
| 01 Apr, 2026 | Andrew Warden | Class A Common Stock | D | 2,801 | $11.96 | 338,903 | D | F |
| 01 Apr, 2026 | Andrew Warden | Class A Common Stock | D | 2,801 | $11.96 | 338,903 | D | F |
| 01 Apr, 2026 | Oleg Shchegolev | Class A Common Stock | D | 6,533 | $11.96 | 7,167,655 | D | F |
| 01 Apr, 2026 | Andrew Warden | Class A Common Stock | D | 2,801 | $11.96 | 338,903 | D | F |
| 01 Apr, 2026 | Oleg Shchegolev | Class A Common Stock | D | 6,533 | $11.96 | 7,167,655 | D | F |
| 01 Apr, 2026 | Eugenie Levin | Class A Common Stock | D | 2,727 | $11.96 | 577,985 | D | F |
| 13 Mar, 2026 | Eugenie Levin | Class A Common Stock | D | 404,249 | $11.91 | 580,712 | D | S |
| 09 Mar, 2026 | Oleg Shchegolev | Class A Common Stock | D | 200,000 | $11.93 | 7,174,188 | D | S |
| 09 Mar, 2026 | Oleg Shchegolev | Class A Common Stock | D | 200,000 | $11.93 | 7,174,188 | D | S |
| 09 Mar, 2026 | Oleg Shchegolev | Class A Common Stock | D | 200,000 | $11.93 | 7,174,188 | D | S |
| 05 Mar, 2026 | David W Mason | Class A Common Stock | D | 97,372 | $11.93 | 271,248 | D | S |
| 02 Mar, 2026 | Andrew Warden | Class A Common Stock | D | 41,249 | $11.81 | 341,704 | D | S |
| 02 Mar, 2026 | Andrew Warden | Class A Common Stock | D | 41,249 | $11.81 | 341,704 | D | S |
| 02 Mar, 2026 | Andrew Warden | Class A Common Stock | D | 41,249 | $11.81 | 341,704 | D | S |
| 10 Feb, 2026 | Oleg Shchegolev | Class A Common Stock | A | 144,000 | $0.00 | 3,282,040 | I | P |
| 10 Feb, 2026 | Oleg Shchegolev | Class A Common Stock | A | 144,000 | $0.00 | 3,282,040 | I | P |
| 10 Feb, 2026 | Dmitry Melnikov | Class A Common Stock | A | 66,667 | $0.00 | 1,946,479 | D | P |
| 10 Feb, 2026 | Oleg Shchegolev | Class A Common Stock | A | 144,000 | $0.00 | 3,282,040 | I | P |