Anna Castner Wightman
Insider
First SEC filing: Aug. 23, 2017 · Latest: Aug. 11, 2023
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 15, 2023 | NIOBW | M | 30,000 | $3.93 | $117,900 | 59,362 Direct | +102.17% | Acquired | -82.7% (price as of 2026-10-02) |
| Nov. 15, 2023 | NIOBW | F | 28,878 | $4.09 | $118,111 | 30,484 Direct | -48.65% | Disposed | -83.4% (price as of 2026-10-02) |
| Nov. 15, 2023 | NIOBW | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 25, 2023 | NIOBW | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | M | 300,000 | $0.60 | $180,000 | 378,576 Direct | +381.80% | Acquired | 13.4% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | F | 201,770 | $0.89 | $179,575 | 176,806 Direct | -53.30% | Disposed | -23.6% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | M | 200,000 | $0.37 | $74,000 | 376,806 Direct | +113.12% | Acquired | 83.8% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | F | 83,186 | $0.89 | $74,036 | 293,620 Direct | -22.08% | Disposed | -23.6% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | M | 378,576 | $0.60 | $227,146 | 380,576 Direct | +18928.80% | Acquired | 13.4% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | F | 176,806 | $0.89 | $157,357 | 178,806 Direct | -49.72% | Disposed | -23.6% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | M | 376,806 | $0.37 | $139,418 | 378,806 Direct | +18840.30% | Acquired | 83.8% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | F | 293,620 | $0.89 | $261,322 | 295,620 Direct | -49.83% | Disposed | -23.6% (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | M | 300,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 1, 2022 | NIOBW | M | 200,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 17, 2021 | NIOBW | A | 275,000 | · | · | 275,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2021 | NIOBW | M | 500,000 | $0.74 | $370,000 | 502,000 Direct | +25000.00% | Acquired | -8.1% (price as of 2026-10-02) |
| Sept. 16, 2021 | NIOBW | F | 423,424 | $0.88 | $372,613 | 78,576 Direct | -84.35% | Disposed | -22.7% (price as of 2026-10-02) |
| Sept. 16, 2021 | NIOBW | M | 500,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 18, 2020 | NIOBW | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 25, 2019 | NIOBW | P | 2,000 | $0.60 | $1,200 | 2,000 Direct | · | Acquired | 13.4% (price as of 2026-10-02) |
| Nov. 15, 2018 | NIOBW | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 9, 2017 | NIOBW | A | 200,000 | · | · | 200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 6, 2017 | NIOBW | A | 300,000 | · | · | 300,000 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 |
|---|---|---|---|---|---|---|---|
| Nov. 15, 2023 | NIOBW | Director Stock Option (right to buy) | Common Shares | · | Nov. 15, 2023 | 30,000 | Disposed |
| March 25, 2023 | NIOBW | Director Stock Option (Right to Buy) | Common Shares | $6.95 | March 27, 2026 | 40,000 | Acquired |
| March 1, 2022 | NIOBW | Director Stock Option (right to buy) | Common Shares | · | March 6, 2022 | 300,000 | Disposed |
| March 1, 2022 | NIOBW | Director Stock Option (right to buy) | Common Shares | · | Nov. 9, 2022 | 200,000 | Disposed |
| Dec. 17, 2021 | NIOBW | Director Stock Option (Right to Buy) | Common Shares | · | Dec. 17, 2024 | 275,000 | Acquired |
| Sept. 16, 2021 | NIOBW | Employee Stock Option (right to buy) | Common Shares | · | Sept. 23, 2021 | 500,000 | Disposed |
| Sept. 18, 2020 | NIOBW | Director Stock Option (Right to Buy) | Common Shares | · | Sept. 18, 2023 | 250,000 | Acquired |
| Nov. 15, 2018 | NIOBW | Director Stock Option (Right to Buy) | Common Shares | · | Nov. 15, 2023 | 300,000 | Acquired |
| Nov. 9, 2017 | NIOBW | Director Stock Option (Right to Buy) | Common Shares | · | Nov. 9, 2022 | 200,000 | Acquired |
| March 6, 2017 | NIOBW | Director Stock Option (Right to Buy) | Common Shares | · | March 6, 2022 | 300,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.