Rolf Stadheim
Insider
First SEC filing: May 12, 2017 · Latest: May 12, 2017
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 26, 2020 | ATOM | A | 8,706 | · | · | 442,393 Direct | +2.01% | Acquired | (price as of 2026-10-02) |
| May 7, 2019 | ATOM | A | 16,867 | · | · | 433,687 Direct | +4.05% | Acquired | (price as of 2026-10-02) |
| May 8, 2018 | ATOM | A | 11,864 | · | · | 416,820 Direct | +2.93% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2018 | ATOM | P | 24,800 | $5.48 | $135,904 | 404,956 Direct | +6.52% | Acquired | -14.1% (price as of 2026-10-02) |
| Dec. 7, 2017 | ATOM | P | 21,325 | $4.25 | $90,631 | 380,156 Direct | +5.94% | Acquired | 10.8% (price as of 2026-10-02) |
| Dec. 6, 2017 | ATOM | P | 3,675 | $4.05 | $14,884 | 358,831 Direct | +1.03% | Acquired | 16.3% (price as of 2026-10-02) |
| May 9, 2017 | ATOM | A | 11,475 | · | · | 355,156 Direct | +3.34% | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2016 | ATOM | C | None | · | · | 0 Direct | · | Disposed | (price as of 2026-10-02) |
| Aug. 10, 2016 | ATOM | C | 319,037 | · | · | 343,681 Direct | +1294.58% | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2016 | ATOM | C | 287,958 | · | · | 317,602 Direct | +971.39% | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2016 | ATOM | C | None | · | · | 0 Direct | · | Disposed | (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 |
|---|---|---|---|---|---|---|---|
| Aug. 10, 2016 | ATOM | 10% Senior Secured Convertible Promissory Note | Common Stock | · | May 31, 2017 | · | Disposed |
| Aug. 10, 2016 | ATOM | 10% Senior Secured Convertible Promissory Note | Common Stock | · | May 31, 2017 | · | Disposed |
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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 12, 2017 | ATOM | Common Stock | 24,644 | Direct |
| May 12, 2017 | ATOM | Director Stock Option (Right to Buy) | 3,333 | Direct |
| May 12, 2017 | ATOM | Director Stock Option (Right to Buy) | 1,667 | Direct |
| Aug. 4, 2016 | ATOM | Common Stock | 29,644 | Direct |
| Aug. 4, 2016 | ATOM | 10% Senior Secured Convertible Promissory Note | · | Direct |