Guerrilla RF
GUER · OTC
$4.00−$0.20 (−4.76%)TodayMarket closed ·
Prev close $4.20
Who owns GUER
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 49.2% of GUER’s shares.
- SIP V Management LLC13.7%
- AMB Investments LLC12.9%
- Pratt (Ryan Michael)9.6%
- Lytton (Laurence W)7.2%
- Next 6 largest institutions5.9%
- All other shareholders50.8%
| Holder | Shares | % of shares |
|---|---|---|
| SIP V Management LLC | 1.46M | 13.68% |
| AMB Investments LLC | 1.37M | 12.88% |
| Pratt (Ryan Michael) | 1.02M | 9.59% |
| Lytton (Laurence W) | 762.05K | 7.16% |
| Bleichroeder LP | 314.68K | 2.96% |
| Pratt (William J) | 152.79K | 1.44% |
| Dunn (James E. Jr.) | 56.15K | 0.53% |
| Barkal (Susan Berish) | 37.24K | 0.35% |
| Smith (Gary L) | 32.66K | 0.31% |
| Bell (David B) | 32.66K | 0.31% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $15.64K (2 trades) of GUER on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| HAMMER TODD B | Option exercise | 14.16K | — |
| HAMMER TODD B | Option exercise | 14.16K | $84.98K |
| ELLIS THOMAS B | Option exercise | 14.16K | — |
| ELLIS THOMAS B | Option exercise | 14.16K | $84.98K |
| Pratt Ryan Michael | Option exercise | 1.48K | — |
| Pratt Ryan Michael | Option exercise | 1.48K | $2.10K |
| Dunn James E. Jr. | Award | 14.16K | — |
| HAMMER TODD B | Award | 14.16K | — |
| ELLIS THOMAS B | Award | 14.16K | — |
| BELL DAVID B | Award | 14.16K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 6.09K
- Days to cover
- 1.00
- % of shares outstanding
- 0.06%
- Average daily volume
- 9.13K
- Change since last report
- −24.3%
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