David Joseph Gaffin

CIK 1675905 · EVP, CLO, Alkermes, Inc. · last filed 2026-08-03

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$10.91M

Companies

1

Total Filings

67

Lifetime Open-Market Net

-$2.02M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
ALKS EVP, CLO, Alkermes, Inc. 225,456 $48.37 $10.91M -$2.02M 60 2026-08-03

Recent Filings · Page 5 of 7

67 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2021-02-18 ALKS Mixed +3,835 -$40.5K EDGAR
2020-06-08 ALKS Gift (G) −1,000 $0 EDGAR
2020-03-03 ALKS Mixed +4,588 $21.4K EDGAR
2020-02-24 ALKS Mixed +4,859 -$40.8K EDGAR
2020-02-18 ALKS Mixed +3,937 -$34.4K EDGAR
2019-05-13 ALKS Mixed +1,627 -$84.6K EDGAR
2019-03-04 ALKS Mixed +1,588 -$22.8K EDGAR
2019-02-27 ALKS Mixed +776 -$11.0K EDGAR
2019-02-25 ALKS Grant (A) $0 EDGAR
2019-02-19 ALKS Mixed +4,041 -$59.7K EDGAR
Showing 4150 of 67
Page 5 of 7
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.