Ellen B Richstone
Insider
First SEC filing: July 1, 2025 · Latest: July 1, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 11, 2026 | OESX | A | 2,532 | · | · | 35,897 Direct | +7.59% | Acquired | (price as of 2026-10-05) |
| June 17, 2026 | CGTX | A | 25,000 | · | · | 83,500 Direct | +42.74% | Acquired | (price as of 2026-10-05) |
| July 1, 2025 | OESX | A | 20,000 | · | · | 333,658 Direct | +6.38% | Acquired | (price as of 2026-10-05) |
| June 18, 2025 | CGTX | A | 34,000 | · | · | 58,500 Direct | +138.78% | Acquired | (price as of 2026-10-05) |
| Feb. 21, 2025 | OESX | P | 20,000 | $0.91 | $18,200 | 313,658 Direct | +6.81% | Acquired | 230.2% (price as of 2026-10-05) |
| Feb. 20, 2025 | OESX | P | 874 | $0.88 | $769 | 293,658 Direct | +0.30% | Acquired | 241.5% (price as of 2026-10-05) |
| Feb. 19, 2025 | OESX | P | 13,000 | $0.84 | $10,920 | 292,784 Direct | +4.65% | Acquired | 257.7% (price as of 2026-10-05) |
| Feb. 18, 2025 | OESX | P | 13,000 | $0.84 | $10,920 | 279,784 Direct | +4.87% | Acquired | 257.7% (price as of 2026-10-05) |
| Feb. 14, 2025 | OESX | P | 10,000 | $0.82 | $8,200 | 266,784 Direct | +3.89% | Acquired | 266.5% (price as of 2026-10-05) |
| June 14, 2024 | OESX | P | 20,000 | $1.14 | $22,800 | 256,784 Direct | +8.45% | Acquired | 163.6% (price as of 2026-10-05) |
| June 11, 2024 | OESX | A | 27,523 | · | · | 236,784 Direct | +13.15% | Acquired | (price as of 2026-10-05) |
| June 7, 2024 | CGTX | A | 8,500 | · | · | 8,500 Direct | · | Acquired | (price as of 2026-10-05) |
| June 7, 2024 | CGTX | A | 8,500 | · | · | 24,500 Direct | +53.12% | Acquired | (price as of 2026-10-05) |
| Nov. 29, 2023 | OESX | P | 30,000 | $0.93 | $27,900 | 209,261 Direct | +16.74% | Acquired | 223.1% (price as of 2026-10-05) |
| Aug. 15, 2023 | OESX | A | 19,355 | · | · | 179,261 Direct | +12.10% | Acquired | (price as of 2026-10-05) |
| June 12, 2023 | OESX | P | 8,185 | $1.85 | $15,142 | 159,906 Direct | +5.39% | Acquired | 62.4% (price as of 2026-10-05) |
| June 9, 2023 | CGTX | A | 6,000 | · | · | 6,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 9, 2023 | CGTX | A | 6,000 | · | · | 16,000 Direct | +60.00% | Acquired | (price as of 2026-10-05) |
| June 9, 2023 | OESX | P | 16,815 | $1.78 | $29,931 | 151,721 Direct | +12.46% | Acquired | 68.8% (price as of 2026-10-05) |
| Nov. 29, 2022 | CGTX | P | 10,000 | $2.66 | $26,600 | 10,000 Direct | · | Acquired | -64.7% (price as of 2026-10-05) |
| June 10, 2022 | CGTX | A | 8,335 | · | · | 8,335 Direct | · | Acquired | (price as of 2026-10-05) |
| June 10, 2022 | OESX | A | 22,935 | · | · | 134,906 Direct | +20.48% | Acquired | (price as of 2026-10-05) |
| June 10, 2022 | CGTX | A | 8,335 | · | · | 8,335 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 1, 2021 | CGTX | A | 16,670 | · | · | 16,670 Direct | · | Acquired | (price as of 2026-10-05) |
| June 4, 2021 | OESX | A | 8,361 | · | · | 111,971 Direct | +8.07% | Acquired | (price as of 2026-10-05) |
| June 9, 2020 | OESX | A | 11,479 | · | · | 103,610 Direct | +12.46% | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2019 | OESX | A | 9,033 | · | · | 92,131 Direct | +10.87% | Acquired | (price as of 2026-10-05) |
| June 12, 2018 | OESX | P | 5,000 | $0.97 | $4,850 | 83,098 Direct | +6.40% | Acquired | 209.8% (price as of 2026-10-05) |
| June 12, 2018 | OESX | P | 5,000 | $0.96 | $4,800 | 78,098 Direct | +6.84% | Acquired | 213.0% (price as of 2026-10-05) |
| June 7, 2018 | OESX | A | 20,250 | · | · | 73,098 Direct | +38.32% | Acquired | (price as of 2026-10-05) |
| Feb. 26, 2018 | OESX | P | 23,500 | $0.86 | $20,210 | 52,848 Direct | +80.07% | Acquired | 249.4% (price as of 2026-10-05) |
| June 13, 2017 | OESX | A | 29,348 | · | · | 29,348 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| June 7, 2024 | CGTX | Stock Option (right to buy) | Common Stock | $1.95 | June 7, 2034 | 8,500 | Acquired |
| June 9, 2023 | CGTX | Stock Option (right to Buy) | Common Stock | $2.77 | June 9, 2033 | 6,000 | Acquired |
| June 10, 2022 | CGTX | Stock Option (Right to Buy) | Common Stock | · | June 10, 2032 | 8,335 | Acquired |
| June 10, 2022 | CGTX | Stock Option (right to buy) | Common Stock | $1.98 | June 10, 2032 | 8,335 | Acquired |
| Nov. 1, 2021 | CGTX | Stock Option (right to buy) | Common Stock | $12.10 | Nov. 1, 2031 | 16,670 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).