SER SERINA THERAP

$2.22

SERINA THERAP (SER) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with SER's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 1 buyer in the last 90 days 0 sellers in the last 90 days
Insiders buying
4
7 transactions
Insiders selling
1
29 transactions
Purchases
$77.9K
43,872 shares
Sales
$501.4K
153,826 shares
Net activity
-$423.5K
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $501.4K 29 transactions · 153,826 shares

Largest single sale: $97.5K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: July 7, 2026 , by Brannan Stephen K. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Brannan Stephen K. Director Buy 1,000 $2.03 $2.0K 1,000
WILSON KAREN J Director Buy 5,000 $1.77 $8.9K 10,100
WILSON KAREN J Director Buy 5,100 $1.75 $8.9K 5,100
WILSON KAREN J Director Buy 10,000 $1.93 $19.3K 20,000
Venkatesan Jay Director Buy 589 $1.78 $1.0K 589
WILSON KAREN J Director Buy 10,000 $1.77 $17.7K 10,000
Marshall Richard Peter Director Buy 12,183 $1.65 $20.1K 12,183
Moreadith Randall Chief Scientific Officer Sell 6,500 $2.86 $18.6K None left
Moreadith Randall Chief Scientific Officer Sell 39,000 $2.50 $97.5K None left
Moreadith Randall Chief Scientific Officer Sell 6,500 $3.03 $19.7K None left
Moreadith Randall Chief Scientific Officer Sell 6,500 $3.57 $23.2K None left
Moreadith Randall Chief Scientific Officer Sell 2,500 $2.95 $7.4K None left
Moreadith Randall Chief Scientific Officer Sell 2,000 $3.00 $6.0K None left
Moreadith Randall Chief Scientific Officer Sell 2,000 $3.07 $6.1K None left
Moreadith Randall Chief Scientific Officer Sell 1,084 $2.50 $2.7K None left
Moreadith Randall Chief Scientific Officer Sell 5,416 $2.50 $13.5K None left
Moreadith Randall Chief Scientific Officer Sell 13,000 $2.69 $35.0K None left
Moreadith Randall Chief Scientific Officer Sell 4,100 $2.60 $10.7K None left
Moreadith Randall Chief Scientific Officer Sell 5,673 $2.67 $15.2K None left
Moreadith Randall Chief Scientific Officer Sell 3,227 $2.96 $9.6K None left
Moreadith Randall Chief Scientific Officer Sell 1,700 $3.26 $5.5K None left
Moreadith Randall Chief Scientific Officer Sell 3,555 $3.24 $11.5K None left
Moreadith Randall Chief Scientific Officer Sell 645 $3.35 $2.2K None left
Moreadith Randall Chief Scientific Officer Sell 600 $3.31 $2.0K None left
Moreadith Randall Chief Scientific Officer Sell 5,000 $3.52 $17.6K None left
Moreadith Randall Chief Scientific Officer Sell 1,500 $3.91 $5.9K None left
Moreadith Randall Chief Scientific Officer Sell 5,965 $3.90 $23.3K 5,965 −50% of holding
Moreadith Randall Chief Scientific Officer Sell 535 $3.94 $2.1K None left
Moreadith Randall Chief Scientific Officer Sell 6,500 $3.75 $24.4K None left
Moreadith Randall Chief Scientific Officer Sell 6,500 $4.10 $26.7K None left
Moreadith Randall Chief Scientific Officer Sell 3,398 $4.24 $14.4K None left
Moreadith Randall Chief Scientific Officer Sell 3,102 $4.40 $13.6K None left
Moreadith Randall Chief Scientific Officer Sell 5,551 $4.96 $27.5K None left
Moreadith Randall Chief Scientific Officer Sell 949 $5.19 $4.9K None left
Moreadith Randall Chief Scientific Officer Sell 6,500 $4.97 $32.3K None left
Moreadith Randall Chief Scientific Officer Sell 4,326 $5.20 $22.5K None left

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.