Rolf Stadheim

CIK 1680488 · View on SEC EDGAR ↗

Insider

First SEC filing: May 12, 2017 · Latest: May 12, 2017

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 6 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

6 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 16, 2018 ATOM P 24,800 $5.48 $135,904 404,956 Direct +6.52% Acquired -14.3% (price as of 2026-08-19)
Dec. 7, 2017 ATOM P 21,325 $4.25 $90,631 380,156 Direct +5.94% Acquired 10.5% (price as of 2026-08-19)
Dec. 6, 2017 ATOM P 3,675 $4.05 $14,884 358,831 Direct +1.03% Acquired 15.9% (price as of 2026-08-19)

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)→ Common Stock (3,333) 3,333 Direct
May 12, 2017 ATOM Director Stock Option (Right to Buy)→ Common Stock (1,667) 1,667 Direct
Aug. 4, 2016 ATOM Common Stock 29,644 Direct
Aug. 4, 2016 ATOM 10% Senior Secured Convertible Promissory Note→ Common Stock — Direct