David Mcwilliams
CIK 1303311 · View on SEC EDGAR ↗
First SEC filing: Sept. 24, 2020 · Latest: Sept. 24, 2020
On this page
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 29, 2020 | GLSI | P | 2,608 | $5.75 | $14,996 | 446,979 Direct | +0.59% | Acquired | 208.5% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 29, 2020 | GLSI | Series A Preferred Stock | Common Stock (152,604) | — | — | 152,604 | Disposed |
| Sept. 29, 2020 | GLSI | Series B Preferred Stock | Common Stock (7,663) | — | — | 7,663 | Disposed |
| Sept. 29, 2020 | GLSI | Series C Preferred Stock | Common Stock (3,746) | — | — | 3,746 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock (6,555) | — | — | 6,555 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock (1,054) | — | — | 1,054 | Acquired |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock (1,054) | — | — | 1,054 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 24, 2020 | GLSI | Common stock | 444,371 | Direct |
| Sept. 24, 2020 | GLSI | Series A Preferred Stock→ Common stock (152,604) | 152,604 | Direct |
| Sept. 24, 2020 | GLSI | Series B Preferred Stock→ Common stock (7,663) | 7,663 | Direct |
| Sept. 24, 2020 | GLSI | Series C Preferred Stock→ Common stock (3,746) | 3,746 | Direct |
| Sept. 24, 2020 | GLSI | Series D Preferred Stock→ Common stock (6,555) | 6,555 | Direct |