Snehal Patel
Insider
First SEC filing: Sept. 24, 2020 · Latest: Sept. 24, 2020
Insider at
Insider transactions
13 buys (P)
0 sells (S)
Net: $586,328
Avg return of open purchases vs now: 26.1%
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 29, 2026 | GLSI | P | 700 | $13.10 | $9,170 | 5,611,402 Direct | +0.01% | Acquired | 29.6% (price as of 2026-10-02) |
| July 28, 2026 | GLSI | P | 1,500 | $13.59 | $20,385 | 5,610,702 Direct | +0.03% | Acquired | 24.9% (price as of 2026-10-02) |
| July 27, 2026 | GLSI | P | 1,500 | $13.62 | $20,430 | 5,609,202 Direct | +0.03% | Acquired | 24.7% (price as of 2026-10-02) |
| July 24, 2026 | GLSI | P | 1,100 | $12.88 | $14,168 | 5,607,702 Direct | +0.02% | Acquired | 31.8% (price as of 2026-10-02) |
| July 23, 2026 | GLSI | P | 2,500 | $13.14 | $32,850 | 5,606,602 Direct | +0.04% | Acquired | 29.2% (price as of 2026-10-02) |
| Jan. 13, 2026 | GLSI | P | 1,800 | $29.83 | $53,694 | 5,604,102 Direct | +0.03% | Acquired | -43.1% (price as of 2026-10-02) |
| Jan. 12, 2026 | GLSI | P | 2,900 | $27.54 | $79,866 | 5,602,302 Direct | +0.05% | Acquired | -38.3% (price as of 2026-10-02) |
| Dec. 31, 2025 | GLSI | P | 4,300 | $21.36 | $91,848 | 5,599,402 Direct | +0.08% | Acquired | -20.5% (price as of 2026-10-02) |
| Dec. 30, 2025 | GLSI | P | 2,900 | $21.73 | $63,017 | 5,595,102 Direct | +0.05% | Acquired | -21.9% (price as of 2026-10-02) |
| Dec. 18, 2025 | GLSI | P | 4,100 | $12.62 | $51,742 | 5,592,202 Direct | +0.07% | Acquired | 34.5% (price as of 2026-10-02) |
| Nov. 25, 2025 | GLSI | P | 4,600 | $8.37 | $38,502 | 5,588,102 Direct | +0.08% | Acquired | 102.9% (price as of 2026-10-02) |
| Nov. 13, 2025 | GLSI | A | 100,000 | · | · | 2,347,462 Direct | +4.45% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | GLSI | P | 10,600 | $8.43 | $89,358 | 5,583,502 Direct | +0.19% | Acquired | 101.4% (price as of 2026-10-02) |
| Oct. 31, 2025 | GLSI | P | 2,300 | $9.26 | $21,298 | 5,572,902 Direct | +0.04% | Acquired | 83.4% (price as of 2026-10-02) |
| April 25, 2025 | GLSI | P | 3,600 | $9.88 | $35,568 | 5,570,602 Direct | +0.06% | Acquired | 71.9% (price as of 2026-10-02) |
| April 17, 2025 | GLSI | P | 5,400 | $8.98 | $48,492 | 5,567,002 Direct | +0.10% | Acquired | 89.1% (price as of 2026-10-02) |
| April 7, 2025 | GLSI | P | 3,600 | $9.10 | $32,760 | 5,561,602 Direct | +0.06% | Acquired | 86.6% (price as of 2026-10-02) |
| April 4, 2025 | GLSI | P | 5,500 | $8.73 | $48,015 | 5,558,002 Direct | +0.10% | Acquired | 94.5% (price as of 2026-10-02) |
| Jan. 10, 2025 | GLSI | P | 2,500 | $12.51 | $31,275 | 5,552,502 Direct | +0.05% | Acquired | 35.7% (price as of 2026-10-02) |
| Jan. 7, 2025 | GLSI | P | 1,800 | $13.75 | $24,750 | 5,550,002 Direct | +0.03% | Acquired | 23.5% (price as of 2026-10-02) |
| Jan. 6, 2025 | GLSI | P | 1,100 | $13.31 | $14,641 | 5,548,202 Direct | +0.02% | Acquired | 27.6% (price as of 2026-10-02) |
| Jan. 3, 2025 | GLSI | P | 3,400 | $12.95 | $44,030 | 5,547,102 Direct | +0.06% | Acquired | 31.1% (price as of 2026-10-02) |
| Jan. 2, 2025 | GLSI | P | 2,000 | $11.97 | $23,940 | 5,543,702 Direct | +0.04% | Acquired | 41.9% (price as of 2026-10-02) |
| Dec. 31, 2024 | GLSI | P | 2,400 | $11.36 | $27,264 | 5,541,702 Direct | +0.04% | Acquired | 49.5% (price as of 2026-10-02) |
| Dec. 30, 2024 | GLSI | P | 3,200 | $11.12 | $35,584 | 5,539,302 Direct | +0.06% | Acquired | 52.7% (price as of 2026-10-02) |
| Dec. 24, 2024 | GLSI | A | 1,148,723 | · | · | 2,222,454 Direct | +106.98% | Acquired | (price as of 2026-10-02) |
| Dec. 24, 2024 | GLSI | A | 25,008 | · | · | 2,247,462 Indirect | +1.13% | Acquired | (price as of 2026-10-02) |
| Sept. 26, 2024 | GLSI | P | 1,500 | $14.63 | $21,945 | 5,536,102 Direct | +0.03% | Acquired | 16.1% (price as of 2026-10-02) |
| Aug. 6, 2024 | GLSI | P | 2,000 | $13.81 | $27,620 | 5,534,602 Direct | +0.04% | Acquired | 23.0% (price as of 2026-10-02) |
| Aug. 5, 2024 | GLSI | P | 5,500 | $13.18 | $72,490 | 5,532,602 Direct | +0.10% | Acquired | 28.8% (price as of 2026-10-02) |
| July 23, 2024 | GLSI | P | 1,500 | $15.89 | $23,835 | 5,527,102 Direct | +0.03% | Acquired | 6.9% (price as of 2026-10-02) |
| June 13, 2024 | GLSI | P | 174,825 | $14.30 | $2,499,998 | 5,525,602 Direct | +3.27% | Acquired | 18.7% (price as of 2026-10-02) |
| April 1, 2024 | GLSI | P | 3,000 | $19.08 | $57,240 | 5,350,777 Direct | +0.06% | Acquired | -11.0% (price as of 2026-10-02) |
| March 22, 2024 | GLSI | P | 2,500 | $19.98 | $49,950 | 5,347,777 Direct | +0.05% | Acquired | -15.0% (price as of 2026-10-02) |
| March 20, 2024 | GLSI | P | 1,500 | $17.68 | $26,520 | 5,345,277 Direct | +0.03% | Acquired | -4.0% (price as of 2026-10-02) |
| March 5, 2024 | GLSI | P | 30,500 | $12.49 | $380,945 | 5,343,777 Direct | +0.57% | Acquired | 35.9% (price as of 2026-10-02) |
| March 5, 2024 | GLSI | P | 3,500 | $12.49 | $43,715 | 5,343,777 Direct | +0.07% | Acquired | 35.9% (price as of 2026-10-02) |
| March 4, 2024 | GLSI | P | 4,100 | $13.03 | $53,423 | 5,340,277 Direct | +0.08% | Acquired | 30.3% (price as of 2026-10-02) |
| Feb. 16, 2024 | GLSI | P | 10,800 | $11.16 | $120,528 | 5,336,177 Direct | +0.20% | Acquired | 52.2% (price as of 2026-10-02) |
| Feb. 15, 2024 | GLSI | P | 12,700 | $11.07 | $140,589 | 5,325,377 Direct | +0.24% | Acquired | 53.4% (price as of 2026-10-02) |
| Nov. 10, 2023 | GLSI | P | 5,000 | $10.17 | $50,850 | 5,312,677 Direct | +0.09% | Acquired | 67.0% (price as of 2026-10-02) |
| Nov. 3, 2023 | GLSI | P | 3,500 | $9.11 | $31,885 | 5,307,677 Direct | +0.07% | Acquired | 86.4% (price as of 2026-10-02) |
| Oct. 26, 2023 | GLSI | P | 2,500 | $7.97 | $19,925 | 5,304,177 Direct | +0.05% | Acquired | 113.0% (price as of 2026-10-02) |
| Oct. 25, 2023 | GLSI | P | 2,500 | $7.91 | $19,775 | 5,301,677 Direct | +0.05% | Acquired | 114.7% (price as of 2026-10-02) |
| Oct. 10, 2023 | GLSI | P | 1,000 | $9.07 | $9,070 | 5,299,177 Direct | +0.02% | Acquired | 87.2% (price as of 2026-10-02) |
| Oct. 4, 2023 | GLSI | P | 2,000 | $8.63 | $17,260 | 5,298,177 Direct | +0.04% | Acquired | 96.8% (price as of 2026-10-02) |
| Sept. 19, 2023 | GLSI | P | 4,000 | $8.95 | $35,800 | 5,296,177 Direct | +0.08% | Acquired | 89.7% (price as of 2026-10-02) |
| Sept. 11, 2023 | GLSI | P | 1,000 | $9.48 | $9,480 | 5,292,177 Direct | +0.02% | Acquired | 79.1% (price as of 2026-10-02) |
| Aug. 22, 2023 | GLSI | P | 1,000 | $9.97 | $9,970 | 5,291,177 Direct | +0.02% | Acquired | 70.3% (price as of 2026-10-02) |
| Aug. 4, 2023 | GLSI | P | 2,000 | $10.55 | $21,100 | 5,290,177 Direct | +0.04% | Acquired | 60.9% (price as of 2026-10-02) |
| July 21, 2023 | GLSI | P | 1,000 | $9.20 | $9,200 | 5,288,177 Direct | +0.02% | Acquired | 84.6% (price as of 2026-10-02) |
| May 17, 2023 | GLSI | P | 1,000 | $11.69 | $11,690 | 5,287,177 Direct | +0.02% | Acquired | 45.3% (price as of 2026-10-02) |
| April 19, 2023 | GLSI | P | 7,000 | $11.10 | $77,700 | 5,286,177 Direct | +0.13% | Acquired | 53.0% (price as of 2026-10-02) |
| April 18, 2023 | GLSI | P | 2,000 | $11.12 | $22,240 | 5,279,177 Direct | +0.04% | Acquired | 52.7% (price as of 2026-10-02) |
| April 11, 2023 | GLSI | P | 5,000 | $12.42 | $62,100 | 5,271,177 Direct | +0.09% | Acquired | 36.7% (price as of 2026-10-02) |
| March 10, 2023 | GLSI | P | 1,000 | $12.12 | $12,120 | 2,737,486 Direct | +0.04% | Acquired | 40.1% (price as of 2026-10-02) |
| Feb. 17, 2023 | GLSI | P | 600 | $16.53 | $9,918 | 2,736,486 Direct | +0.02% | Acquired | 2.7% (price as of 2026-10-02) |
| Feb. 10, 2023 | GLSI | P | 1,000 | $18.68 | $18,680 | 2,735,886 Direct | +0.04% | Acquired | -9.1% (price as of 2026-10-02) |
| Jan. 27, 2023 | GLSI | P | 2,000 | $19.35 | $38,700 | 2,734,886 Direct | +0.07% | Acquired | -12.2% (price as of 2026-10-02) |
| Jan. 20, 2023 | GLSI | P | 1,500 | $17.37 | $26,055 | 2,732,886 Direct | +0.05% | Acquired | -2.2% (price as of 2026-10-02) |
| Jan. 6, 2023 | GLSI | P | 1,500 | $15.18 | $22,770 | 2,731,386 Direct | +0.05% | Acquired | 11.9% (price as of 2026-10-02) |
| Dec. 29, 2022 | GLSI | P | 4,000 | $15.19 | $60,760 | 2,729,886 Direct | +0.15% | Acquired | 11.8% (price as of 2026-10-02) |
| Dec. 16, 2022 | GLSI | P | 1,000 | $13.01 | $13,010 | 2,725,886 Direct | +0.04% | Acquired | 30.5% (price as of 2026-10-02) |
| Dec. 9, 2022 | GLSI | P | 2,000 | $13.11 | $26,220 | 2,724,886 Direct | +0.07% | Acquired | 29.5% (price as of 2026-10-02) |
| Dec. 2, 2022 | GLSI | P | 1,000 | $13.84 | $13,840 | 2,722,886 Direct | +0.04% | Acquired | 22.7% (price as of 2026-10-02) |
| Nov. 2, 2022 | GLSI | P | 2,000 | $8.79 | $17,580 | 2,721,886 Direct | +0.07% | Acquired | 93.2% (price as of 2026-10-02) |
| Oct. 14, 2022 | GLSI | P | 3,000 | $9.75 | $29,250 | 2,719,886 Direct | +0.11% | Acquired | 74.2% (price as of 2026-10-02) |
| Oct. 7, 2022 | GLSI | P | 2,000 | $9.72 | $19,440 | 2,716,886 Direct | +0.07% | Acquired | 74.7% (price as of 2026-10-02) |
| Sept. 30, 2022 | GLSI | P | 1,000 | $9.46 | $9,460 | 2,714,886 Direct | +0.04% | Acquired | 79.5% (price as of 2026-10-02) |
| Sept. 29, 2022 | GLSI | P | 1,000 | $9.23 | $9,230 | 2,713,886 Direct | +0.04% | Acquired | 84.0% (price as of 2026-10-02) |
| June 24, 2022 | GLSI | P | 22,535 | $9.13 | $205,745 | 2,706,421 Direct | +0.84% | Acquired | 86.0% (price as of 2026-10-02) |
| June 24, 2022 | GLSI | P | 6,465 | $9.13 | $59,025 | 2,712,886 Indirect | +0.24% | Acquired | 86.0% (price as of 2026-10-02) |
| June 22, 2022 | GLSI | A | 1,048,723 | · | · | 1,048,723 Direct | · | Acquired | (price as of 2026-10-02) |
| June 22, 2022 | GLSI | A | 25,008 | · | · | 1,073,731 Indirect | +2.38% | Acquired | (price as of 2026-10-02) |
| June 16, 2022 | GLSI | P | 8,000 | $7.13 | $57,040 | 2,683,886 Direct | +0.30% | Acquired | 138.1% (price as of 2026-10-02) |
| June 14, 2022 | GLSI | P | 12,000 | $7.91 | $94,920 | 2,675,886 Direct | +0.45% | Acquired | 114.7% (price as of 2026-10-02) |
| June 10, 2022 | GLSI | P | 12,000 | $8.33 | $99,960 | 2,663,886 Direct | +0.45% | Acquired | 103.8% (price as of 2026-10-02) |
| June 9, 2022 | GLSI | P | 4,500 | $10.90 | $49,050 | 1,243,453 Direct | +0.36% | Acquired | 55.8% (price as of 2026-10-02) |
| June 7, 2022 | GLSI | P | 6,000 | $8.55 | $51,300 | 1,238,953 Direct | +0.49% | Acquired | 98.6% (price as of 2026-10-02) |
| June 3, 2022 | GLSI | P | 9,250 | $8.35 | $77,238 | 1,232,953 Direct | +0.76% | Acquired | 103.4% (price as of 2026-10-02) |
| June 2, 2022 | GLSI | P | 6,774 | $7.38 | $49,992 | 1,223,703 Direct | +0.56% | Acquired | 130.1% (price as of 2026-10-02) |
| April 21, 2022 | GLSI | P | 6,000 | $16.09 | $96,540 | 1,216,929 Direct | +0.50% | Acquired | 5.5% (price as of 2026-10-02) |
| April 19, 2022 | GLSI | P | 6,000 | $16.74 | $100,440 | 1,210,929 Direct | +0.50% | Acquired | 1.4% (price as of 2026-10-02) |
| Feb. 11, 2022 | GLSI | P | 5,500 | $19.80 | $108,900 | 1,204,929 Direct | +0.46% | Acquired | -14.2% (price as of 2026-10-02) |
| Feb. 4, 2022 | GLSI | P | 5,000 | $19.59 | $97,950 | 1,199,429 Direct | +0.42% | Acquired | -13.3% (price as of 2026-10-02) |
| Jan. 13, 2022 | GLSI | P | 1,000 | $19.99 | $19,990 | 1,194,429 Direct | +0.08% | Acquired | -15.1% (price as of 2026-10-02) |
| Jan. 3, 2022 | GLSI | P | 2,050 | $23.82 | $48,831 | 1,193,429 Direct | +0.17% | Acquired | -28.7% (price as of 2026-10-02) |
| Dec. 14, 2021 | GLSI | P | 1,840 | $27.17 | $49,993 | 1,191,379 Direct | +0.15% | Acquired | -37.5% (price as of 2026-10-02) |
| April 13, 2021 | GLSI | P | 2,700 | $36.98 | $99,846 | 1,189,539 Direct | +0.23% | Acquired | -54.1% (price as of 2026-10-02) |
| Nov. 19, 2020 | GLSI | P | 2,000 | $5.40 | $10,800 | 1,186,839 Direct | +0.17% | Acquired | 214.4% (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | P | 16,667 | $4.60 | $76,668 | 1,184,839 Direct | +1.43% | Acquired | 269.1% (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 7,292 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 6,929 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 14,401 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | J | 7,292 | · | · | 7,292 Indirect | · | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | J | 6,929 | · | · | 6,929 Indirect | · | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | J | 14,401 | · | · | 14,401 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 43,072 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 45,328 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2020 | GLSI | M | 89,510 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 118 transactions
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 |
|---|---|---|---|---|---|---|---|
| Nov. 13, 2025 | GLSI | Stock Options | Common Stock | $8.20 | Nov. 13, 2035 | 100,000 | Acquired |
| Dec. 24, 2024 | GLSI | Stock Options | Common Stock | $12.16 | Dec. 24, 2034 | 1,148,723 | Acquired |
| Dec. 24, 2024 | GLSI | Stock Options | Common Stock | $12.16 | Dec. 24, 2034 | 25,008 | Acquired |
| June 22, 2022 | GLSI | Stock Options | Common Stock | $7.63 | June 22, 2032 | 1,048,723 | Acquired |
| June 22, 2022 | GLSI | Stock Options | Common Stock | $7.63 | June 22, 2032 | 25,008 | Acquired |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 7,292 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 6,929 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 14,401 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 7,292 | Acquired |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 6,929 | Acquired |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 14,401 | Acquired |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 43,072 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 45,328 | Disposed |
| Sept. 29, 2020 | GLSI | Series D Preferred Stock | Common Stock | · | · | 89,510 | Disposed |
| Sept. 29, 2020 | GLSI | Series C Preferred Stock | Common Stock | · | · | 33,708 | Disposed |
| Sept. 29, 2020 | GLSI | Series C Preferred Stock | Common Stock | · | · | 10,394 | Disposed |
| Sept. 29, 2020 | GLSI | Series B Preferred Stock | Common Stock | · | · | 2,997 | Disposed |
| Sept. 29, 2020 | GLSI | Series B Preferred Stock | Common Stock | · | · | 76,780 | Disposed |
| Sept. 29, 2020 | GLSI | Series B Preferred Stock | Common Stock | · | · | 13,736 | Disposed |
| Sept. 29, 2020 | GLSI | Series A Preferred Stock | Common Stock | · | · | 1,144,529 | Disposed |
| Sept. 29, 2020 | GLSI | Series A Preferred Stock | Common Stock | · | · | 176,448 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 15 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 24, 2020 | GLSI | Common stock | 749,336 | Direct |
| Sept. 24, 2020 | GLSI | Common stock | 176,798 | Indirect |
| Sept. 24, 2020 | GLSI | Common stock | 2,405,670 | Indirect |
| Sept. 24, 2020 | GLSI | Common stock | 1,320,226 | Indirect |
| Sept. 24, 2020 | GLSI | Common stock | 1,329,590 | Indirect |
| Sept. 24, 2020 | GLSI | Series A Preferred Stock | 176,448 | Direct |
| Sept. 24, 2020 | GLSI | Series A Preferred Stock | 1,144,529 | Indirect |
| Sept. 24, 2020 | GLSI | Series B Preferred Stock | 13,736 | Direct |
| Sept. 24, 2020 | GLSI | Series B Preferred Stock | 76,780 | Indirect |
| Sept. 24, 2020 | GLSI | Series B Preferred Stock | 2,997 | Indirect |
| Sept. 24, 2020 | GLSI | Series C Preferred Stock | 10,394 | Direct |
| Sept. 24, 2020 | GLSI | Series C Preferred Stock | 33,708 | Indirect |
| Sept. 24, 2020 | GLSI | Series D Preferred Stock | 89,510 | Direct |
| Sept. 24, 2020 | GLSI | Series D Preferred Stock | 45,328 | Indirect |
| Sept. 24, 2020 | GLSI | Series D Preferred Stock | 43,072 | Indirect |