Douglas Richard bought MaxCyte Inc. (MXCT) shares once on the open market in the last year, for a total of $111,040. His most recent purchase was on August 13, 2025. This ranks him 2048th out of nearly 5,000 insiders by purchase value, well below the average of $1.46 million across 3.3 transactions. He made no open market sales in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 19, 2026 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | P | Common Stock | 70000 | $1.40 | 195,000.0000 | 60,162,773 | 56.00% | 0.12% |
| Aug. 13, 2025 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Not found | P | Common Stock | 80000 | $1.39 | 230,577.0000 | 106,403,540 | 53.13% | 0.08% |
| June 20, 2025 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Director | A | Stock Option (Right to Buy) | 28326 | $6.42 | 28,326.0000 | 152,190,000 | 9999.99% | 0.02% |
| June 20, 2025 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Director | A | Restricted Stock Units | 18884 | $0.00 | 18,884.0000 | 152,190,000 | 9999.99% | 0.01% |
| June 18, 2025 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Not found | A | Common Stock | 29210 | $0.00 | 150,577.0000 | 105,950,480 | 24.07% | 0.03% |
| June 18, 2025 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Not found | A | Stock Option (right to buy) | 50790 | $0.00 | 50,790.0000 | 105,950,480 | 9999.99% | 0.05% |
| June 12, 2025 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Not found | M | Restricted Stock Units | 10420 | $0.00 | 0.0000 | 152,190,000 | 100.00% | 0.01% |
| June 12, 2025 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Not found | M | Common Stock | 10420 | $0.00 | 54,340.0000 | 152,190,000 | 23.72% | 0.01% |
| June 10, 2025 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 62728 | $0.00 | 62,728.0000 | 59,708,654 | 9999.99% | 0.11% |
| June 10, 2025 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 14476 | $0.00 | 14,476.0000 | 59,708,654 | 9999.99% | 0.02% |
| June 10, 2025 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 1689 | $0.00 | 1,689.0000 | 59,708,654 | 9999.99% | 0.00% |
| June 12, 2024 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Not found | M | Common Stock | 6670 | $0.00 | 43,920.0000 | 100,768,000 | 17.91% | 0.01% |
| June 12, 2024 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Not found | M | Restricted Stock Units | 6670 | $0.00 | 0.0000 | 100,768,000 | 100.00% | 0.01% |
| June 12, 2024 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 15630 | $15.86 | 15,630.0000 | 100,768,000 | 9999.99% | 0.02% |
| June 12, 2024 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Not found | A | Restricted Stock Units | 10420 | $0.00 | 10,420.0000 | 100,768,000 | 9999.99% | 0.01% |
| June 11, 2024 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Not found | A | Common Stock | 21367 | $0.00 | 121,367.0000 | 104,089,758 | 21.37% | 0.02% |
| June 11, 2024 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Not found | A | Stock Option (right to buy) | 40701 | $0.00 | 40,701.0000 | 104,089,758 | 9999.99% | 0.04% |
| June 4, 2024 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 10418 | $0.00 | 10,418.0000 | 0 | 9999.99% | 0.00% |
| June 4, 2024 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 1215 | $0.00 | 1,215.0000 | 0 | 9999.99% | 0.00% |
| June 4, 2024 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 40282 | $0.00 | 40,282.0000 | 0 | 9999.99% | 0.00% |
| June 30, 2023 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 640 | $0.00 | 640.0000 | 0 | 9999.99% | 0.00% |
| June 30, 2023 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 21222 | $0.00 | 21,222.0000 | 0 | 9999.99% | 0.00% |
| June 30, 2023 | Aldeyra Therapeutics, Inc. | $ALDX | DOUGLAS RICHARD | Not found | A | Stock Option (Right to Buy) | 5488 | $0.00 | 5,488.0000 | 0 | 9999.99% | 0.00% |
| June 22, 2023 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Director | A | Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 102,846,036 | 9999.99% | 0.05% |
| June 10, 2023 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Director | M | Common Stock | 3100 | $0.00 | 37,250.0000 | 78,183,000 | 9.08% | 0.00% |
| June 10, 2023 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Director | M | Restricted Stock Units | 3100 | $0.00 | 0.0000 | 78,183,000 | 100.00% | 0.00% |
| June 12, 2023 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Director | A | Stock Option (Right to Buy) | 7710 | $0.00 | 7,710.0000 | 78,183,000 | 9999.99% | 0.01% |
| June 12, 2023 | NOVAVAX INC | $NVAX | DOUGLAS RICHARD | Director | A | Restricted Stock Units | 6670 | $0.00 | 6,670.0000 | 78,183,000 | 9999.99% | 0.01% |
| March 29, 2023 | MAXCYTE, INC. | $MXCT | DOUGLAS RICHARD | Director | P | Common Stock | 80000 | $4.32 | 100,000.0000 | 101,702,664 | 400.00% | 0.08% |