Timothy E Davis JR
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-104,187
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 4, 2026 | SIBN | A | 10,957 | · | · | 76,679 Direct | +16.67% | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | SIBN | S | 3,500 | $14.14 | $49,490 | 65,722 Direct | -5.06% | Disposed | 27.9% (price as of 2026-10-02) |
| May 28, 2026 | SIBN | M | 12,064 | $4.32 | $52,116 | 73,002 Direct | +19.80% | Acquired | 318.5% (price as of 2026-10-02) |
| May 28, 2026 | SIBN | S | 3,780 | $14.47 | $54,697 | 69,222 Direct | -5.18% | Disposed | 24.9% (price as of 2026-10-02) |
| May 28, 2026 | SIBN | M | 12,064 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 5, 2025 | SIBN | A | 8,675 | · | · | 60,938 Direct | +16.60% | Acquired | (price as of 2026-10-02) |
| June 26, 2024 | SIBN | A | 8,791 | · | · | 52,263 Direct | +20.22% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2024 | SIBN | M 10b5-1 | 21,111 | $3.24 | $68,400 | 43,472 Direct | +94.41% | Acquired | 458.0% (price as of 2026-10-02) |
| Jan. 2, 2024 | SIBN | M | 21,111 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2024 | SIBN | S 10b5-1 | 9,900 | $20.93 | $207,207 | 22,361 Direct | -30.69% | Disposed | -13.6% (price as of 2026-10-02) |
| June 9, 2023 | SIBN | A | 4,866 | · | · | 32,261 Direct | +17.76% | Acquired | (price as of 2026-10-02) |
| June 16, 2022 | SIBN | A | 8,324 | · | · | 27,395 Direct | +43.65% | Acquired | (price as of 2026-10-02) |
| June 10, 2021 | SIBN | A | 3,848 | · | · | 19,071 Direct | +25.28% | Acquired | (price as of 2026-10-02) |
| June 16, 2020 | SIBN | A | 8,797 | · | · | 15,223 Direct | +136.90% | Acquired | (price as of 2026-10-02) |
| June 13, 2019 | SIBN | A | 15,741 | · | · | 15,741 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 19, 2018 | SIBN | C | 6,070 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 19, 2018 | SIBN | C | 6,426 | · | · | 6,426 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.
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 |
|---|---|---|---|---|---|---|---|
| May 28, 2026 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 12,064 | Disposed |
| Jan. 2, 2024 | SIBN | Stock Option (Right to Buy) | Common Stock | $3.24 | Jan. 16, 2024 | 21,111 | Disposed |
| June 13, 2019 | SIBN | Stock Options (Right to buy) | Common Stock | $17.72 | June 12, 2029 | 15,741 | Acquired |
| Oct. 19, 2018 | SIBN | Series 6 Preferred Stock | Common Stock | · | · | 6,070 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.