David Mcwilliams
Insider
First SEC filing: Sept. 24, 2020 · Latest: Sept. 24, 2020
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 24, 2024 | GLSI | A | 61,984 | · | · | 123,968 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| June 22, 2022 | GLSI | A | 61,984 | · | · | 61,984 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2021 | GLSI | P | 200 | $27.56 | $5,512 | 620,301 Direct | +0.03% | Acquired | -38.4% (price as of 2026-10-02) |
| Nov. 20, 2020 | GLSI | P | 1,500 | $5.40 | $8,100 | 620,101 Direct | +0.24% | Acquired | 214.4% (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 152,604 | · | · | 599,583 Direct | +34.14% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 7,663 | · | · | 607,246 Direct | +1.28% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 3,746 | · | · | 610,992 Direct | +0.62% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 7,609 | · | · | 618,601 Direct | +1.25% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 152,604 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 7,663 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 3,746 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 6,555 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | J | 1,054 | · | · | 1,054 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 1,054 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | P | 2,608 | $5.75 | $14,996 | 446,979 Direct | +0.59% | Acquired | 195.3% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 24, 2024 | GLSI | Stock Options | Common Stock | $12.16 | Dec. 24, 2034 | 61,984 | Acquired |
| June 22, 2022 | GLSI | Stock Options | Common Stock | $7.63 | June 22, 2032 | 61,984 | Acquired |
| Sept. 29, 2020 | GLSI | Series A Preferred Stock | Common Stock | · | · | 152,604 | Disposed |
| Sept. 29, 2020 | GLSI | Series B Preferred Stock | Common Stock | · | · | 7,663 | Disposed |
| Sept. 29, 2020 | GLSI | Series C Preferred Stock | Common Stock | · | · | 3,746 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 6,555 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 1,054 | Acquired |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 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 | 152,604 | Direct |
| Sept. 24, 2020 | GLSI | Series B Preferred Stock | 7,663 | Direct |
| Sept. 24, 2020 | GLSI | Series C Preferred Stock | 3,746 | Direct |
| Sept. 24, 2020 | GLSI | Series D Preferred Stock | 6,555 | Direct |