David Laskow-Pooley
CIK 1638533 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 12, 2021 · Latest: Feb. 12, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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 |
|---|---|---|---|---|---|---|---|---|---|
| May 24, 2022 | MRKR | A | 80,000 | — | — | 80,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 8, 2021 | MRKR | A | 12,658 | — | — | 55,223 Direct | +29.74% | Acquired | (price as of 2026-08-20) |
| May 9, 2019 | MRKR | A | 7,260 | — | — | 25,543 Direct | +39.71% | Acquired | (price as of 2026-08-20) |
| Oct. 16, 2018 | MRKR | A | 5,168 | — | — | 18,283 Direct | +39.41% | Acquired | (price as of 2026-08-20) |
| Aug. 29, 2017 | MRKR | A | 13,115 | — | — | 13,115 Direct | — | Acquired | (price as of 2026-08-20) |
| March 19, 2015 | MRKR | A | 150,000 | — | — | 150,000 Direct | — | Acquired | (price as of 2026-08-20) |
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 24, 2022 | MRKR | Stock Option (Right to Buy) | Common Stock (80,000) | $0.34 | May 23, 2032 | 80,000 | Acquired |
| March 19, 2015 | MRKR | Employee Stock Option (Right to Buy) [F1] | Common Stock (150,000) | $0.21 | March 19, 2025 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).