RBBN
Ribbn Communs (RBBN)
NASDAQ
$1.44-$0.01 (-1.03%)
Price as of Nov 13, 2026 12:36 PM EST
  • $259.8M
    Market Cap
  • -52.30%
    1-Year Change
  • Software - Application
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
JPMORGAN CHASE & CO
29.05%
52.0M
-100 (-0.0002%)
Jun 30, 2026
NEUBERGER BERMAN GROUP LLC
10.22%
18.3M
+949,085 (+5.18%)
Jun 30, 2026
VANGUARD GROUP INC
4.37%
7.8M
+141,939 (+1.81%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
4.35%
7.8M
+108,702 (+1.40%)
Dec 31, 2024
BLACKROCK INC.
4.12%
7.4M
+186,328 (+2.52%)
Jun 30, 2024
BLACKROCK, INC.
3.99%
7.1M
+422,583 (+5.91%)
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
3.15%
5.7M
-635,302 (-11.24%)
Sep 30, 2026

Current Ownership Distribution

  • Institutions2.3B (81.16%)
  • Mutual Funds478.1M (16.64%)
  • Insiders63.2M (2.20%)
  • Other0 (0.00%)

Insider Transactions

  • 2.20% (63.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
McCaffery Stephen J.
EVP, Global Sales
Exempt
Oct 31, 2026
$0.00
36,003
$0.00
72,003
McCaffery Stephen J.
EVP, Global Sales
Exempt
Oct 31, 2026
$0.00
108,006
$0.00
324,021
McCaffery Stephen J.
EVP, Global Sales
Exempt
Oct 31, 2026
$0.00
36,003
$0.00
123,203
McCaffery Stephen J.
EVP, Global Sales
In Kind
Oct 31, 2026
$26,227.55
16,921
$1.55
106,282
McCaffery Stephen J.
EVP, Global Sales
Exempt
Oct 31, 2026
$0.00
108,006
$0.00
214,288
McCaffery Stephen J.
EVP, Global Sales
In Kind
Oct 31, 2026
$78,681.10
50,762
$1.55
163,526
Marmurek Eric S
EVP, Chief Financial Officer
Exempt
Oct 15, 2026
$0.00
37,500
$0.00
0
Marmurek Eric S
EVP, Chief Financial Officer
Exempt
Oct 15, 2026
$0.00
37,500
$0.00
581,206
Marmurek Eric S
EVP, Chief Financial Officer
In Kind
Oct 15, 2026
$21,543.76
14,756
$1.46
566,450
INFANTE BEATRIZ V
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
0
EWING R STEWART JR
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
0
Tamone Tanya
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
0
EWING R STEWART JR
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
239,891
GRAYSON BRUNS H
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
0
SHANI SHAUL
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
0
Tamone Tanya
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
223,300
SHANI SHAUL
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
225,966
INFANTE BEATRIZ V
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
385,724
Mair Scott
Exempt
Jun 16, 2026
$0.00
67,500
$0.00
0
GRAYSON BRUNS H
Exempt
Jun 16, 2026
$0.00
42,500
$0.00
825,847
Mair Scott
Exempt
Jun 16, 2026
$0.00
67,500
$0.00
208,138
Bucci Sam
EVP, Chief Operating Officer
Award
Jun 15, 2026
$0.00
250,000
$0.00
250,000
Marmurek Eric S
EVP, Chief Financial Officer
Award
Jun 15, 2026
$0.00
150,000
$0.00
150,000
SILVER LOUIS
Award
Jun 15, 2026
$0.00
63,197
$0.00
63,197
INFANTE BEATRIZ V
Award
Jun 15, 2026
$0.00
63,197
$0.00
63,197
Bucci Sam
EVP, Chief Operating Officer
Award
Jun 15, 2026
$0.00
150,000
$0.00
150,000
Tamone Tanya
Award
Jun 15, 2026
$0.00
63,197
$0.00
63,197
SHANI SHAUL
Award
Jun 15, 2026
$0.00
63,197
$0.00
63,197
McCaffery Stephen J.
EVP, Global Sales
Award
Jun 15, 2026
$0.00
200,000
$0.00
200,000
Bucci Sam
EVP, Chief Operating Officer
Award
Jun 15, 2026
$0.00
100,000
$0.00
100,000