David Joseph Gaffin
CIK 1675905 · EVP, CLO, Alkermes, Inc. · last filed 2026-06-04
David Joseph Gaffin is an EVP, CLO, Alkermes, Inc. who has filed 58 SEC Form 4 insider transactions across 1 company since 2016. The most recent filing shows the insider sold $87.6K of ALKS on Jun 4, 2026. Across all open-market trades the lifetime net is −$1.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $10.2M across reported positions.
"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.
$10.16M
1
58
-$1.81M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ALKS | EVP, CLO, Alkermes, Inc. | 229,524 | $44.28 | $10.16M | -$1.81M | 58 | 2026-06-04 |
Recent Filings
58 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-04 | ALKS | Sell (S) | −2,034 | -$87.6K | EDGAR |
| 2026-05-04 | ALKS | Sell (S) | −2,034 | -$67.5K | EDGAR |
| 2026-04-06 | ALKS | Sell (S) | −2,034 | -$70.3K | EDGAR |
| 2026-03-04 | ALKS | Mixed | −4,068 | -$120.1K | EDGAR |
| 2026-02-27 | ALKS | Mixed | +3,817 | -$93.7K | EDGAR |
| 2026-02-25 | ALKS | Mixed | +4,275 | -$109.9K | EDGAR |
| 2026-02-20 | ALKS | Mixed | +8,495 | -$177.1K | EDGAR |
| 2026-02-06 | ALKS | Mixed | +17,733 | -$255.6K | EDGAR |
| 2025-08-04 | ALKS | Mixed | +1,119 | -$23.8K | EDGAR |
| 2025-02-28 | ALKS | Mixed | +3,817 | -$106.1K | EDGAR |