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SERINA THERAP (SER)
NYSE
$2.84-$0.03 (-1.11%)
Price as of Aug 21, 2026 8:00 PM EDT- $72.9MMarket Cap
- -49.20%1-Year Change
- BiotechnologyIndustry
SERINA THERAP (SER)
$2.84-$0.03 (-1.11%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
SIO CAPITAL MANAGEMENT, LLC | 6.67% | 1.0M | +1.0M (+100.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 1.20% | 180,013 | 0 (0.00%) | Dec 31, 2025 |
VANGUARD CAPITAL MANAGEMENT LLC | 1.06% | 159,136 | +159,136 (+100.00%) | Mar 31, 2026 |
N/A | 1.06% | 159,136 | +159,136 (+100.00%) | Mar 31, 2026 |
WAVERLY ADVISORS, LLC | 0.45% | 67,492 | 0 (0.00%) | Mar 31, 2026 |
GEODE CAPITAL MANAGEMENT, LLC | 0.43% | 64,973 | +34,564 (+53.20%) | Mar 31, 2026 |
BLACKROCK, INC. | 0.39% | 58,264 | +41,015 (+70.40%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 1.06% | 159,136 | 0 (0.00%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.35% | 52,579 | +16,323 (+31.04%) | May 31, 2026 |
iSHARES TRUST | 0.10% | 14,896 | 0 (0.00%) | May 31, 2026 |
NORTHERN FUNDS | 0.04% | 6,599 | 0 (0.00%) | Mar 31, 2026 |
BRIDGEWAY FUNDS INC | 0.02% | 2,495 | 0 (0.00%) | Mar 31, 2026 |
EQ ADVISORS TRUST | 0.004% | 658 | 0 (0.00%) | Mar 31, 2026 |
JOHN HANCOCK VARIABLE INSURANCE TRUST | 0.001% | 180 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Other6.6M (43.73%)
- Insiders4.1M (27.13%)
- Institutions3.3M (21.84%)
- Mutual Funds1.1M (7.29%)
Insider Transactions
- 27.13% (4.1M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $310,916.97Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Simon Farrell | Award | Jul 22, 2026 | $0.00 | 30,500 | $0.00 | 30,500 |
Brannan Stephen K. | Buy | Jul 07, 2026 | $2,030.00 | 1,000 | $2.03 | 1,000 |
Marshall Richard Peter | Award | Jun 17, 2026 | $0.00 | 15,250 | $0.00 | 15,250 |
WILSON KAREN J | Award | Jun 17, 2026 | $0.00 | 15,250 | $0.00 | 15,250 |
Brannan Stephen K. | Award | Jun 17, 2026 | $0.00 | 15,250 | $0.00 | 15,250 |
Moreadith Randall Chief Scientific Officer | Exempt | Mar 23, 2026 | $0.00 | 6,500 | $0.00 | 267,686 |
Moreadith Randall Chief Scientific Officer | Exempt | Mar 23, 2026 | $390.00 | 6,500 | $0.06 | 6,500 |
Moreadith Randall Chief Scientific Officer | Sell | Mar 23, 2026 | $18,567.90 | 6,500 | $2.86 | 0 |
Moreadith Randall Chief Scientific Officer | Exempt | Mar 19, 2026 | $0.00 | 39,000 | $0.00 | 274,186 |
Moreadith Randall Chief Scientific Officer | Exempt | Mar 19, 2026 | $2,340.00 | 39,000 | $0.06 | 39,000 |
Moreadith Randall Chief Scientific Officer | Sell | Mar 19, 2026 | $97,500.00 | 39,000 | $2.50 | 0 |
LEDGER STEVEN A Chief Executive Officer | Award | Feb 03, 2026 | $0.00 | 230,100 | $0.00 | 230,100 |
GILL SIMBA | Award | Feb 03, 2026 | $0.00 | 92,000 | $0.00 | 92,000 |
Moreadith Randall Chief Scientific Officer | Award | Feb 03, 2026 | $0.00 | 69,000 | $0.00 | 69,000 |
Moreadith Randall Chief Scientific Officer | Exempt | Feb 02, 2026 | $0.00 | 6,500 | $0.00 | 313,186 |
Moreadith Randall Chief Scientific Officer | Exempt | Feb 02, 2026 | $390.00 | 6,500 | $0.06 | 6,500 |
Moreadith Randall Chief Scientific Officer | Sell | Feb 02, 2026 | $19,680.05 | 6,500 | $3.03 | 0 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 28, 2026 | $0.00 | 6,500 | $0.00 | 319,686 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 28, 2026 | $390.00 | 6,500 | $0.06 | 6,500 |
Moreadith Randall Chief Scientific Officer | Sell | Jan 28, 2026 | $23,185.50 | 6,500 | $3.57 | 0 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 22, 2026 | $0.00 | 2,500 | $0.00 | 326,186 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 22, 2026 | $150.00 | 2,500 | $0.06 | 2,500 |
Moreadith Randall Chief Scientific Officer | Sell | Jan 22, 2026 | $7,375.00 | 2,500 | $2.95 | 0 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 21, 2026 | $120.00 | 2,000 | $0.06 | 2,000 |
Moreadith Randall Chief Scientific Officer | Sell | Jan 21, 2026 | $6,000.00 | 2,000 | $3.00 | 0 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 21, 2026 | $0.00 | 2,000 | $0.00 | 328,686 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 20, 2026 | $120.00 | 2,000 | $0.06 | 2,000 |
Moreadith Randall Chief Scientific Officer | Sell | Jan 20, 2026 | $6,140.00 | 2,000 | $3.07 | 0 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 20, 2026 | $0.00 | 2,000 | $0.00 | 330,686 |
Moreadith Randall Chief Scientific Officer | Exempt | Jan 14, 2026 | $0.00 | 1,084 | $0.00 | 332,686 |