SER Stock: Insider Activity, Filings & Research
SER stock — Drillr’s hub for SER insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, SER insiders filed 2 open-market buys and 2 sales (SEC Form 4).
SER insider trading activity (SEC Form 4)
Sentiment
25/100
Buys (3m)
2
Sells (3m)
2
Net (3m)
-$78.3K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Mar
May
ContextInstitutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 27, 2026 | LEDGER STEVEN Adirector, officer: Chief Executive Officer | Grant | 10,100 | $1.93 |
| May 26, 2026 | WILSON KAREN Jdirector | Buy | 10,000 | $1.77 |
| May 26, 2026 | Moreadith Randallofficer: Chief Scientific Officer | Grant | 85,558 | $1.89 |
| May 26, 2026 | CURHAN GREGORY Sofficer: Chief Financial Officer | Grant | 123,019 | $1.89 |
| May 26, 2026 | LEDGER STEVEN Adirector, officer: Chief Executive Officer | Grant | 380,825 | $1.89 |
| May 26, 2026 | Tenjarla Sriniofficer: SVP, CMC & Formulation | Grant | 85,558 | $1.89 |
| May 22, 2026 | Marshall Richard Peterdirector | Buy | 12,183 | $1.65 |
| Apr 21, 2026 | Venkatesan Jaydirector | Grant | 7,553 | $1.94 |
| Apr 21, 2026 | Bailey Gregorydirector | Grant | 59,667 | $1.94 |
| Mar 24, 2026 | Moreadith Randallofficer: Chief Scientific Officer | Option | 6,500 | $0.06 |
| Mar 24, 2026 | Moreadith Randallofficer: Chief Scientific Officer | Sell | 6,500 | $2.86 |
| Mar 20, 2026 | Moreadith Randallofficer: Chief Scientific Officer | Option | 39,000 | $0.06 |
| Mar 20, 2026 | Moreadith Randallofficer: Chief Scientific Officer | Sell | 39,000 | $2.50 |
| Feb 17, 2026 | Tenjarla Sriniofficer: SVP, CMC & Formulation | Grant | 69,000 | $2.76 |
| Feb 17, 2026 | LEDGER STEVEN Adirector, officer: Chief Executive Officer | Grant | 230,100 | $2.76 |
Source: SER SEC Form 4 filings, latest May 27, 2026. For informational purposes only — not investment advice.
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