Reporting owner · CIK 0001730048

Hopkinson Craig C.

Visual SEC Form 4 history across 1 companies, 46 transactions and 10 filings.

ER, D, CMOEVP R&D, Chief Medical OfficerAlkermes plc.
Open-market mix
Latest filingSep 01, 2026, 11:08 PM
Filings10Form 4 records
Buying$00 purchases
Selling$15.8M8 sales
Net value−$15.8MBuys minus sells
Companies13 securities
Most recentSep 01, 2026exercise

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-51Jan 254Feb 252Jan 26Feb 261Sep 26

Net value flow

Buys minus sells

Jan 25
−$3.2M
Feb 25
−$11.8M
Jan 26
−$262K
Feb 26
$0
Sep 26
−$422.9K

Transaction texture

Ownership and ticket size

Average P/S size$2M
Median P/S size$1.2M
Direct46
Indirect0
Sep 01, 2026exercise

Filing-only signals

Deterministic matches in this insider's history

Derivative Transactionfiling-context16Direct Ownershipfiling-context46Large Holdings Increaseholdings9Large Holdings Reductionholdings10Large Salesize5Repeat Sellerpattern510b5-1 Detectedfiling-context28

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at Alkermes plc. on Sep 01, 2026 valued at $422,874.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Associated companies

Visual map of known reporting history

ALKSAlkermes plc.46 transactions · latest Sep 01, 2026, 11:08 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
ALKSHopkinson Craig C.
ERDCMO
exercise10b5-15.00k$0M
Derivative Transaction Direct Ownership 10b5-1 Detected
0.0%09/0109/01
ALKSHopkinson Craig C.
ERDCMO
sale10b5-19.00k-$42.2MS
Direct Ownership 10b5-1 Detected
0.0%09/0109/01
ALKSHopkinson Craig C.
ERDCMO
exercise10b5-15.00k$12.2MM
Direct Ownership 10b5-1 Detected
0.0%09/0109/01
ALKSHopkinson Craig C.
ERDCMO
withholding7.45k-$25.0MF
Direct Ownership
+0.3%02/0702/05
ALKSHopkinson Craig C.
ERDCMO
grant25.3k—A
Direct Ownership Large Holdings Increase
+0.3%02/0702/05
ALKSHopkinson Craig C.
ERDCMO
exercise10b5-15.00k$0M
Derivative Transaction Direct Ownership 10b5-1 Detected
—01/0801/08
ALKSHopkinson Craig C.
ERDCMO
sale10b5-15.00k-$15.0MS
Direct Ownership Repeat Seller 10b5-1 Detected
—01/0801/08
ALKSHopkinson Craig C.
ERDCMO
exercise10b5-15.00k$9.67MM
Direct Ownership 10b5-1 Detected
—01/0801/08
ALKSHopkinson Craig C.
ERDCMO
sale10b5-14.00k-$11.2MS
Direct Ownership 10b5-1 Detected
+24.0%01/0201/02
ALKSHopkinson Craig C.
ERDCMO
exercise6.86k—M
Derivative Transaction Direct Ownership Large Holdings Reduction
—02/28/202502/26/2025

Hopkinson Craig C. Insider Activity FAQ

SEC Form 4 context

Who is Hopkinson Craig C.?

Hopkinson Craig C. is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001730048.

Which companies has Hopkinson Craig C. reported transactions for?

Alkermes plc.

When was Hopkinson Craig C.'s latest insider buy?

No open-market insider purchase is available for this period.

When was Hopkinson Craig C.'s latest insider sale?

sale at Alkermes plc. on Sep 01, 2026 valued at $422,874.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.