Katherine R Davisson
CIK 1858470 · View on SEC EDGAR ↗
Insider
First SEC filing: April 22, 2021 · Latest: April 22, 2021
On this page
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 4 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 30, 2026 | SEM | D | 60,035 | $16.50 | $990,578 | 0 Direct | -100.00% | Disposed | |
| Aug. 1, 2022 | SEM | A | 10,000 | — | — | 26,000 Direct | +62.50% | Acquired | |
| Aug. 3, 2021 | SEM | A | 6,000 | — | — | 16,000 Direct | +60.00% | Acquired | |
| May 4, 2021 | SEM | A | 10,000 | — | — | 10,000 Direct | — | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 22, 2021 | SEM | No securities are beneficially owned | 0 | Direct |