Walsh Matthew M
- SEC CIK
- 0001269428
No open-market purchases or sales filed in the past year.
Current role at each company
- CERT Certara, Inc.Directoras of May 15, 2026
- OGN Organon & Co.Chief Financial Officeras of Apr 2, 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
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Walsh Matthew M 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.
OGN Organon & Co.
Chief Financial Officer1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 6, 2025 (view filing) | May 5 | 1 day | Walsh Matthew MChief Financial Officer | PPurchase | +11.4K | $8.82 | +$100.5K | +8.6%144.5K after |
CERT Certara, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 15, 2022 (view filing) | Nov 14 | 1 day | Walsh Matthew MDirector | SSale | −12.1K | $14.74 | −$177.7K | −6.7%167.9K after |