Harrington Robert Arthur
- SEC CIK
- 0001923988
In the past year, 1 open-market sale filing worth $143.6K and no purchases.
Current role at each company
- CYTK Cytokinetics IncDirectoras of Jul 16, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $143.6K
- 1 filing
- Net
- −$143.6K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Harrington Robert Arthur as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 2, 2025 (view filing) | Dec 1 | 1 day | Harrington Robert ArthurDirector | SSale | −2.15K | $66.80 | −$143.6K | −10.4%18.5K after | 10b5-1 |
| Sep 2, 2025 (view filing) | Sep 2 | Same day | Harrington Robert ArthurDirector | SSale | −2.15K | $48.67 | −$104.6K | −9.5%20.5K after | 10b5-1 |
| Apr 4, 2025 (view filing) | Apr 3 | 1 day | Harrington Robert ArthurDirector | SSale | −450 | $39.43 | −$17.7K | −3.0%14.7K after | 10b5-1 |
| Mar 4, 2025 (view filing) | Mar 4 | Same day | Harrington Robert ArthurDirector | SSale | −900 | $42.50 | −$38.3K | −5.6%15.1K after | 10b5-1 |
| Jul 8, 2024 (view filing) | Jul 5 | 3 days | Harrington Robert ArthurDirector | SSale | −253 | $54.61 | −$13.8K | −1.6%15.5K after | 10b5-1 |
| Jun 5, 2024 (view filing) | Jun 3 | 2 days | Harrington Robert ArthurDirector | SSale | −1.58K | $48.64 | −$76.9K | −9.2%15.5K after | 10b5-1 |