Martin H. Blackburn
First SEC filing: Aug. 4, 2020 · Latest: Feb. 11, 2022
Insider at
Insider transactions
Price change vs current quote, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 23, 2022 | RXT | F | 12,418 | $5.14 | $63,829 | 276,937 Direct | -4.29% | Disposed | -21.8% (price as of 2026-10-06) |
| June 30, 2022 | RXT | A | 500 | $6.09 | $3,045 | 289,355 Direct | +0.17% | Acquired | -34.0% (price as of 2026-10-06) |
| March 22, 2022 | RXT | A | 70,530 | · | · | 241,835 Direct | +41.17% | Acquired | (price as of 2026-10-06) |
| March 22, 2022 | RXT | A | 47,020 | · | · | 288,855 Direct | +19.44% | Acquired | (price as of 2026-10-06) |
| March 21, 2022 | RXT | F | 7,255 | $11.02 | $79,950 | 171,305 Direct | -4.06% | Disposed | -63.5% (price as of 2026-10-06) |
| Feb. 23, 2022 | RXT | F | 18,571 | $7.54 | $140,025 | 178,560 Direct | -9.42% | Disposed | -46.7% (price as of 2026-10-06) |
| Sept. 1, 2021 | RXT | A | 440,004 | · | · | 440,004 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 19, 2021 | RXT | A | 149,758 | · | · | 196,131 Direct | +322.94% | Acquired | (price as of 2026-10-06) |
| March 16, 2021 | RXT | A | 45,873 | · | · | 46,373 Direct | +9174.60% | Acquired | (price as of 2026-10-06) |
| Dec. 31, 2020 | RXT | A | 500 | $16.20 | $8,100 | 500 Direct | · | Acquired | -75.2% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 1, 2021 | RXT | Employee Stock Option (right to buy) | Common Stock, par value $0.01 | $13.62 | Jan. 6, 2030 | 440,004 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 4, 2020 | RXT | Employee Stock Option (right to buy) | 219,996 | Direct |