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Nathan Richardson
Insider
First SEC filing: June 3, 2026 · Latest: June 3, 2026
Insider at
Insider transactions
0 buys (P)
10 sells (S)
Net: $-171,250
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | GRND | S 10b5-1 | 1,500 | $12.59 | $18,885 | 6,833 Direct | -18.00% | Disposed | 6.7% (price as of 2026-10-02) |
| May 1, 2026 | GRND | S 10b5-1 | 1,500 | $13.51 | $20,265 | 8,333 Direct | -15.25% | Disposed | -0.6% (price as of 2026-10-02) |
| April 1, 2026 | GRND | S 10b5-1 | 1,500 | $12.17 | $18,255 | 9,833 Direct | -13.24% | Disposed | 10.4% (price as of 2026-10-02) |
| March 2, 2026 | GRND | S 10b5-1 | 1,500 | $11.27 | $16,905 | 11,333 Direct | -11.69% | Disposed | 19.2% (price as of 2026-10-02) |
| Feb. 2, 2026 | GRND | S 10b5-1 | 1,500 | $11.18 | $16,770 | 12,833 Direct | -10.47% | Disposed | 20.1% (price as of 2026-10-02) |
| Jan. 2, 2026 | GRND | S 10b5-1 | 1,500 | $13.66 | $20,490 | 14,333 Direct | -9.47% | Disposed | -1.7% (price as of 2026-10-02) |
| Dec. 1, 2025 | GRND | S 10b5-1 | 1,500 | $12.70 | $19,050 | 15,833 Direct | -8.65% | Disposed | 5.7% (price as of 2026-10-02) |
| Nov. 18, 2025 | GRND | S 10b5-1 | 1,500 | $13.55 | $20,325 | 17,333 Direct | -7.96% | Disposed | -0.9% (price as of 2026-10-02) |
| Nov. 14, 2025 | GRND | S 10b5-1 | 485 | $14.03 | $6,805 | 18,833 Direct | -2.51% | Disposed | -4.3% (price as of 2026-10-02) |
| Oct. 14, 2025 | GRND | S 10b5-1 | 1,000 | $13.50 | $13,500 | 19,318 Direct | -4.92% | Disposed | -0.5% (price as of 2026-10-02) |
| Sept. 15, 2025 | GRND | S 10b5-1 | 1,000 | $16.19 | $16,190 | 20,318 Direct | -4.69% | Disposed | -17.0% (price as of 2026-10-02) |
| Aug. 14, 2025 | GRND | S 10b5-1 | 1,000 | $16.27 | $16,270 | 21,318 Direct | -4.48% | Disposed | -17.5% (price as of 2026-10-02) |
| July 30, 2025 | GRND | A | 8,192 | · | · | 22,318 Direct | +57.99% | Acquired | (price as of 2026-10-02) |
| July 14, 2025 | GRND | S 10b5-1 | 1,000 | $21.26 | $21,260 | 14,126 Direct | -6.61% | Disposed | -36.8% (price as of 2026-10-02) |
| June 16, 2025 | GRND | S 10b5-1 | 1,000 | $23.45 | $23,450 | 15,126 Direct | -6.20% | Disposed | -42.7% (price as of 2026-10-02) |
| June 3, 2025 | GRND | A | 484 | · | · | 16,126 Direct | -2.91% | Disposed | (price as of 2026-10-02) |
| May 14, 2025 | GRND | S 10b5-1 | 1,000 | $24.01 | $24,010 | 15,642 Direct | -6.01% | Disposed | -44.1% (price as of 2026-10-02) |
| April 14, 2025 | GRND | S 10b5-1 | 1,000 | $18.40 | $18,400 | 16,642 Direct | -5.67% | Disposed | -27.0% (price as of 2026-10-02) |
| March 14, 2025 | GRND | S 10b5-1 | 1,000 | $16.34 | $16,340 | 17,642 Direct | -5.36% | Disposed | -17.8% (price as of 2026-10-02) |
| Feb. 14, 2025 | GRND | S 10b5-1 | 1,000 | $18.58 | $18,580 | 18,642 Direct | -5.09% | Disposed | -27.7% (price as of 2026-10-02) |
| Jan. 14, 2025 | GRND | S 10b5-1 | 1,000 | $16.58 | $16,580 | 19,642 Direct | -4.84% | Disposed | -19.0% (price as of 2026-10-02) |
| Dec. 16, 2024 | GRND | S 10b5-1 | 1,000 | $16.00 | $16,000 | 20,642 Direct | -4.62% | Disposed | -16.1% (price as of 2026-10-02) |
| Nov. 14, 2024 | GRND | S 10b5-1 | 1,000 | $14.44 | $14,440 | 21,642 Direct | -4.42% | Disposed | -7.0% (price as of 2026-10-02) |
| Nov. 11, 2024 | GRND | S 10b5-1 | 4,766 | $15.00 | $71,490 | 22,642 Direct | -17.39% | Disposed | -10.5% (price as of 2026-10-02) |
| Nov. 8, 2024 | GRND | S 10b5-1 | 5,234 | $15.00 | $78,510 | 27,408 Direct | -16.03% | Disposed | -10.5% (price as of 2026-10-02) |
| Oct. 14, 2024 | GRND | S 10b5-1 | 1,000 | $12.68 | $12,680 | 32,642 Direct | -2.97% | Disposed | 5.9% (price as of 2026-10-02) |
| Sept. 16, 2024 | GRND | S 10b5-1 | 1,000 | $12.03 | $12,030 | 33,642 Direct | -2.89% | Disposed | 11.6% (price as of 2026-10-02) |
| Aug. 14, 2024 | GRND | S 10b5-1 | 1,000 | $11.98 | $11,980 | 24,485 Direct | -3.92% | Disposed | 12.1% (price as of 2026-10-02) |
| July 30, 2024 | GRND | A | 8,192 | · | · | 22,318 Direct | +57.99% | Acquired | (price as of 2026-10-02) |
| July 19, 2024 | GRND | A | 10,157 | · | · | 34,642 Direct | +41.48% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2023 | GRND | A | 2,653 | · | · | 25,485 Direct | +11.62% | Acquired | (price as of 2026-10-02) |
| June 21, 2023 | GRND | A | 16,582 | · | · | 22,832 Direct | +265.31% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2022 | GRND | A | 6,250 | · | · | 6,250 Direct | · | Acquired | (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.