Douglas Bartlett Niemann
CIK 1836389 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 28, 2020 · Latest: Dec. 28, 2020
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 14 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 1, 2022 | ATHS | D | 8,265 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | D | 6,969 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | A | 8,265 | — | — | 8,265 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | A | 6,969 | — | — | 6,969 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | D | 1,378 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | D | 2,324 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | D | 13,797 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | D | 15,259 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2022 | ATHS | D | 3,950 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 22, 2021 | ATHS | A | 3,485 | — | — | 3,485 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 22, 2021 | ATHS | A | 15,259 | — | — | 15,259 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 4, 2021 | ATHS | M | 1,377 | — | — | 2,756 Direct | -33.32% | Disposed | (price as of 2026-08-21) |
| Jan. 4, 2021 | ATHS | F | 505 | $43.14 | $21,786 | 872 Direct | -36.67% | Disposed | -42.6% (price as of 2026-08-21) |
| Jan. 4, 2021 | ATHS | M | 1,377 | — | — | 1,377 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 1, 2022 | ATHS | Performance-Based Restricted Stock Units | Class A Common Shares (8,265) | — | — | 8,265 | Disposed |
| Jan. 1, 2022 | ATHS | Performance-Based Restricted Stock Units | Class A Common Shares (6,969) | — | — | 6,969 | Disposed |
| Jan. 1, 2022 | ATHS | Performance-Based Restricted Stock Units | Class A Common Shares (8,265) | — | — | 8,265 | Acquired |
| Jan. 1, 2022 | ATHS | Performance-Based Restricted Stock Units | Class A Common Shares (6,969) | — | — | 6,969 | Acquired |
| Jan. 1, 2022 | ATHS | Time-Based Restricted Stock Units | Class A Common Shares (1,378) | — | — | 1,378 | Disposed |
| Jan. 1, 2022 | ATHS | Time-Based Restricted Stock Units | Class A Common Shares (2,324) | — | — | 2,324 | Disposed |
| Jan. 1, 2022 | ATHS | Employee Stock Option (Right to Buy) | Class A Common Shares (13,797) | $30.25 | July 1, 2030 | 13,797 | Disposed |
| Jan. 1, 2022 | ATHS | Employee Stock Option (Right to Buy) | Class A Common Shares (15,259) | $46.64 | Feb. 22, 2031 | 15,259 | Disposed |
| Feb. 22, 2021 | ATHS | Restricted Stock Units | Class A Common Shares (3,485) | — | — | 3,485 | Acquired |
| Feb. 22, 2021 | ATHS | Employee Stock Option (Right to Buy) | Class A Common Shares (15,259) | $46.64 | Feb. 22, 2031 | 15,259 | Acquired |
| Jan. 4, 2021 | ATHS | Restricted Stock Units | Class A Common Shares (1,377) | — | — | 1,377 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 28, 2020 | ATHS | Restricted Stock Units→ Class A Common Shares (4,133) | 4,133 | Direct |
| Dec. 16, 2020 | ATHS | Employee Stock Option (Right to Buy)→ Class A Common Shares (13,797) | 13,797 | Direct |
| Dec. 16, 2020 | ATHS | Restricted Stock Units→ Class A Common Shares (8,265) | 8,265 | Direct |