// company-profile
Synlogic, Inc.
SYBXExchangeOTCSectorPharmaceutical PreparationsInc.DEFilings25Insiders13
// api This Synlogic, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for SYBX in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Synlogic, Inc. as of 2026-03-31
Total reported AUM
$14,507
QoQ change
—
Reporting period
2026-03-31
#1
DRW Securities, LLC
CIK 1481986
$14,495
24K shares
#2
Hilltop National Bank
CIK 2021658
$12
20 shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 29, 2025 | Dooley Mary Beth | SYBX | Sale | 157 | $1.81 | $0K |
| Apr 26, 2025 | Flynn James P | SYBX | Award | 15,000 | $0.00 | $0K |
| Apr 26, 2025 | Shea Richard P | SYBX | Award | 15,000 | $0.00 | $0K |
| Apr 2, 2025 | Dooley Mary Beth | SYBX | Sale | 144 | $1.20 | $0K |
| Feb 3, 2025 | Dooley Mary Beth | SYBX | Sale | 2,107 | $1.33 | $3K |
45 more transactions hidden
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