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Linda C. Heller
Insider
First SEC filing: July 1, 2026 · Latest: July 1, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 30, 2026 | SLDP | F | 72,310 | $2.27 | $164,144 | 1,876,534 Direct | -3.71% | Disposed | -12.8% (price as of ) |
| June 30, 2026 | SLDP | F | 72,310 | $2.60 | $188,006 | 1,948,844 Direct | -3.58% | Disposed | -23.8% (price as of ) |
| May 11, 2026 | SLDP | F | 136,122 | $3.08 | $419,256 | 2,021,154 Direct | -6.31% | Disposed | -35.7% (price as of ) |
| April 1, 2026 | SLDP | A | 380,348 | · | · | 2,157,276 Direct | +21.40% | Acquired | |
| March 31, 2026 | SLDP | F | 26,659 | $2.82 | $75,178 | 1,776,928 Direct | -1.48% | Disposed | -29.8% (price as of ) |
| Dec. 31, 2025 | SLDP | F | 26,605 | $4.28 | $113,869 | 1,803,587 Direct | -1.45% | Disposed | -53.7% (price as of ) |
| Sept. 30, 2025 | SLDP | F | 26,605 | $3.52 | $93,650 | 1,830,192 Direct | -1.43% | Disposed | -43.8% (price as of ) |
| June 30, 2025 | SLDP | F | 25,950 | $2.15 | $55,792 | 1,856,797 Direct | -1.38% | Disposed | -7.9% (price as of ) |
| June 17, 2025 | SLDP | F | 103,800 | $1.93 | $200,334 | 1,882,747 Direct | -5.23% | Disposed | 2.6% (price as of ) |
| May 9, 2025 | SLDP | A | 1,113,920 | · | · | 1,986,547 Direct | +127.65% | Acquired | |
| June 17, 2024 | SLDP | A | 872,627 | · | · | 872,627 Direct | · | Acquired | |
| June 17, 2024 | SLDP | A | 1,757,960 | · | · | 1,757,960 Direct | · | Acquired |
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 17, 2024 | SLDP | Stock Option (Right to Buy) | Common Stock | $1.67 | June 17, 2034 | 1,757,960 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).