Seth Loring Harrison
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 16, 2026 | STOK | G | 17,786 | · | · | 17,786 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 17,786 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 29,747 | · | · | 29,747 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 29,747 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 7,639 | · | · | 7,639 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 7,639 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 19,441 | · | · | 19,441 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 19,441 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 21,000 | · | · | 21,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 21,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 11,650 | · | · | 11,650 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 11,650 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 14,777 | · | · | 14,777 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 14,777 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 29,555 | · | · | 29,555 Indirect | · | Acquired | (price as of 2026-10-02) |
| July 16, 2026 | STOK | G | 29,555 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 3, 2026 | STOK | A | 17,786 | · | · | 17,786 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2025 | STOK | A | 29,747 | · | · | 29,747 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2024 | STOK | A | 7,639 | · | · | 7,639 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2023 | STOK | A | 19,441 | · | · | 19,441 Direct | · | Acquired | (price as of 2026-10-02) |
| June 7, 2022 | STOK | A | 21,000 | · | · | 21,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 8, 2021 | STOK | A | 11,650 | · | · | 11,650 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 24, 2020 | STOK | P | 375,000 | $39.00 | $14,625,000 | 17,161,713 Indirect | +2.23% | Acquired | -34.3% (price as of 2026-10-02) |
| June 3, 2020 | STOK | A | 14,777 | · | · | 14,777 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2019 | STOK | A | 29,555 | · | · | 29,555 Direct | · | Acquired | (price as of 2026-10-02) |
| June 21, 2019 | STOK | C | 4,980,168 | · | · | 4,980,168 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 21, 2019 | STOK | C | 7,617,746 | · | · | 12,597,914 Indirect | +152.96% | Acquired | (price as of 2026-10-02) |
| June 21, 2019 | STOK | C | 2,799,910 | · | · | 15,397,824 Indirect | +22.23% | Acquired | (price as of 2026-10-02) |
| June 21, 2019 | STOK | P | 1,388,889 | $18.00 | $25,000,002 | 16,786,713 Indirect | +9.02% | Acquired | 42.3% (price as of 2026-10-02) |
| June 21, 2019 | STOK | C | 4,980,168 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 21, 2019 | STOK | C | 7,617,746 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 21, 2019 | STOK | C | 2,799,910 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 15, 2016 | ELDN | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 17, 2015 | ELDN | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 24,199,308 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 24,046,035 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 1,539,643 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 8,711,335 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 14,604,833 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 644,786 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 798,067 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 4,500,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | P | 362,500 | $15.00 | $5,437,500 | 7,912,079 Indirect | +4.80% | Acquired | -99.9% (price as of 2026-10-02) |
| Sept. 22, 2014 | ELDN | C | 7,549,570 | · | · | 7,549,579 Indirect | +83884111.11% | 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.
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 |
|---|---|---|---|---|---|---|---|
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $29.46 | June 2, 2036 | 17,786 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $29.46 | June 2, 2036 | 17,786 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $10.90 | June 2, 2035 | 29,747 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $10.90 | June 2, 2035 | 29,747 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $16.41 | June 4, 2034 | 7,639 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $16.41 | June 4, 2034 | 7,639 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $12.46 | June 12, 2033 | 19,441 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $12.46 | June 12, 2033 | 19,441 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $12.96 | June 6, 2032 | 21,000 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $12.96 | June 6, 2032 | 21,000 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $40.37 | June 7, 2031 | 11,650 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $40.37 | June 7, 2031 | 11,650 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $26.53 | June 2, 2030 | 14,777 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $26.53 | June 2, 2030 | 14,777 | Disposed |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $28.80 | Sept. 9, 2029 | 29,555 | Acquired |
| July 16, 2026 | STOK | Stock Option (Right to Buy) | Common Stock | $28.80 | Sept. 9, 2029 | 29,555 | Disposed |
| June 3, 2026 | STOK | Director Stock Option (Right to Buy) | Common Stock | $29.46 | June 2, 2036 | 17,786 | Acquired |
| June 3, 2025 | STOK | Director Stock Option (Right to Buy) | Common Stock | $10.90 | June 2, 2035 | 29,747 | Acquired |
| June 5, 2024 | STOK | Director Stock Option (Right to Buy) | Common Stock | $16.41 | June 4, 2034 | 7,639 | Acquired |
| June 13, 2023 | STOK | Director Stock Option (Right to Buy) | Common Stock | $12.46 | June 12, 2033 | 19,441 | Acquired |
| June 7, 2022 | STOK | Director Stock Option (Right to Buy) | Common Stock | $12.96 | June 6, 2032 | 21,000 | Acquired |
| June 8, 2021 | STOK | Director Stock Option (Right to Buy) | Common Stock | $40.37 | June 7, 2031 | 11,650 | Acquired |
| June 3, 2020 | STOK | Director Stock Option (Right to Buy) | Common Stock | $26.53 | June 2, 2030 | 14,777 | Acquired |
| Sept. 10, 2019 | STOK | Director Stock Option (Right to Buy) | Common Stock | $28.80 | Sept. 9, 2019 | 29,555 | Acquired |
| June 21, 2019 | STOK | Series A Convertible Preferred Stock | Common Stock | · | · | 4,980,168 | Disposed |
| June 21, 2019 | STOK | Series A-2 Convertible Preferred Stock | Common Stock | · | · | 7,617,746 | Disposed |
| June 21, 2019 | STOK | Series B Convertible Preferred Stock | Common Stock | · | · | 2,799,910 | Disposed |
| June 15, 2016 | ELDN | Stock Option (right to buy) | Common Stock | $6.29 | June 14, 2026 | 12,000 | Acquired |
| June 17, 2015 | ELDN | Stock Option (right to buy) | Common Stock | $14.04 | June 16, 2025 | 12,000 | Acquired |
| Sept. 22, 2014 | ELDN | Series E Preferred Stock | Common Stock | · | · | 24,199,308 | Disposed |
| Sept. 22, 2014 | ELDN | Series D-3 Preferred Stock | Common Stock | · | · | 24,046,035 | Disposed |
| Sept. 22, 2014 | ELDN | Series D-2 Preferred Stock | Common Stock | · | · | 1,539,643 | Disposed |
| Sept. 22, 2014 | ELDN | Series D-1 Preferred Stock | Common Stock | · | · | 8,711,335 | Disposed |
| Sept. 22, 2014 | ELDN | Series C Preferred Stock | Common Stock | · | · | 14,604,833 | Disposed |
| Sept. 22, 2014 | ELDN | Series B-2 Preferred Stock | Common Stock | · | · | 644,786 | Disposed |
| Sept. 22, 2014 | ELDN | Series B-1 Preferred Stock | Common Stock | · | · | 798,067 | Disposed |
| Sept. 22, 2014 | ELDN | Series A Preferred Stock | Common Stock | · | · | 4,500,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 13 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 18, 2019 | STOK | Series A Convertible Preferred Stock | 4,980,168 | Direct |
| June 18, 2019 | STOK | Series A-2 Convertible Preferred Stock | 7,617,746 | Direct |
| June 18, 2019 | STOK | Series B Convertible Preferred Stock | 2,799,910 | Direct |
| Sept. 16, 2014 | ELDN | Common Stock | 212,694 | Direct |
| Sept. 16, 2014 | ELDN | Common Stock | 9 | Indirect |
| Sept. 16, 2014 | ELDN | Series A Preferred Stock | 429,799 | Indirect |
| Sept. 16, 2014 | ELDN | Series B-1 Preferred Stock | 76,224 | Indirect |
| Sept. 16, 2014 | ELDN | Series B-2 Preferred Stock | 61,584 | Indirect |
| Sept. 16, 2014 | ELDN | Series C Preferred Stock | 1,394,921 | Indirect |
| Sept. 16, 2014 | ELDN | Series D-1 Preferred Stock | 832,028 | Indirect |
| Sept. 16, 2014 | ELDN | Series D-2 Preferred Stock | 147,053 | Indirect |
| Sept. 16, 2014 | ELDN | Series D-3 Preferred Stock | 2,296,661 | Indirect |
| Sept. 16, 2014 | ELDN | Series E Preferred Stock | 2,311,300 | Indirect |