$ Value
$309K
Shares
26,054
Price
$12
Filed
Dec 17
Insider
Name
Mason David W
Title
Chief Legal Officer
CIK
0001744907
Roles
Transaction Details
Transaction Date
2025-12-15
Code
F
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
368,620
Footnotes
Consists of a grant of a restricted stock unit ("RSU") award under the Issuer's 2021 Stock Option and Incentive Plan. Each RSU represents a right to receive one share of the Issuer's Class A Common Stock upon vesting. The RSUs shall vest over a period of three years, with one-third vesting on December 15, 2026, and then in equal quarterly installments over the 24-month period thereafter. | A portion of these shares represent RSUs. Each RSU represents a right to receive one share of the Issuer's Class A Common Stock upon vesting. | Represents shares of Class A Common Stock withheld by the Company to satisfy tax withholding obligations in connection with the net issuance of shares of Class A Common Stock delivered to the Reporting Person on December 15, 2025, from the vesting of RSUs. The number of shares withheld by the Company to satisfy tax withholding obligations (and the net issuance) is based on the closing price of the Company's Class A Common Stock on December 15, 2025.
Filing Info
Mason David W's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-05 | SEMR | ▼ | $1.2M |
| 2025-12-15 | SEMR | A | $0 |
| 2025-12-15 | SEMR | F | $309K |
| 2025-12-01 | SEMR | F | $42K |
| 2025-11-01 | SEMR | F | $18K |
| 2025-09-01 | SEMR | F | $20K |
| 2025-08-01 | SEMR | F | $15K |
| 2025-06-03 | SEMR | ▼ | $75K |
| 2025-06-01 | SEMR | F | $21K |
| 2025-05-01 | SEMR | F | $16K |
Other Insiders at SEMR (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Mason David W
Chief Legal Officer
|
— | $1.2M | 2026-03-05 |
|
Shchegolev Oleg
Chief Technology Officer
|
— | $2.4M | 2026-04-01 |
|
Levin Eugenie
President
|
— | $4.8M | 2026-04-01 |
| Melnikov Dmitry | — | — | 2026-02-10 |
|
Warden Andrew
Chief Marketing Officer
|
— | $487K | 2026-04-01 |
|
Mulroy Brian
Chief Financial Officer
|
— | — | 2026-04-10 |