Quick Takeaways
- David Arkowitz has 5 issuer positions tracked on this page.
- Estimated disclosed ownership value: $2,166,179.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of David Arkowitz
- Location
- Burlington, MA
- Summary
- The estimated net worth of David Arkowitz is at least $2,166,179 dollars as of 24 Nov 2025. David Arkowitz is the Chief Financial Officer of Flexion Therapeutics Inc and owns shares of Flexion Therapeutics Inc stock worth about $1.88M. David Arkowitz is the Chief Financial Officer of Seres Therapeutics, Inc. and owns shares of Seres Therapeutics, Inc. (MCRB) stock worth about $240.1K. David Arkowitz is the Director of iBio, Inc. and owns shares of iBio, Inc. (IBIO) stock worth about $50K.
- Signature
- /s/ Marc Banjak, Attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow David Arkowitz and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Flexion Therapeutics Inc ($1,876,112).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of David Arkowitz
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| FLXN | Flexion Therapeutics Inc | Chief Financial Officer | $1,876,112 | 10 May 2021 | ||
| MCRB | Seres Therapeutics, Inc. | Chief Financial Officer | $240,068 | 14 Feb 2024 | ||
| IBIO | iBio, Inc. | Director | $49,999 | 20 Nov 2025 | ||
| KANT | KINETA, INC./DE | Director | $0 | 30 Jun 2025 | ||
| FSTX | F-star Therapeutics, Inc. | Director | 17 Jun 2022 |
Insider Transactions Reported by David Arkowitz:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.