David R. Margrave
CIK 1813162 · View on SEC EDGAR ↗
First SEC filing: June 15, 2020 · Latest: June 15, 2020
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Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 29, 2021 | LTRN | A | 26,100 | — | — | 26,100 Direct | — | Acquired | (price as of 2026-08-21) |
| June 15, 2020 | LTRN | A | 78,300 | — | — | 78,300 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 29, 2021 | LTRN | Stock Option (Right to Buy) | Common Stock (26,100) | $10.21 | Oct. 29, 2031 | 26,100 | Acquired |
| June 15, 2020 | LTRN | Stock Option | Common Stock (78,300) | — | — | 78,300 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $300,000 | $66,000 | — | $195,315 | — | — | — | $561,315 |
| 2020 | $225,154 | $73,725 | — | $862,083 | — | — | — | $1,160,962 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.