Garo H. Armen is CEO & Chairman at ANTIGENICS INC /DE/ (AGEN). They have made 33 open-market trades across 6 companies since 2006, most recently 2026-08-21.
CIK 0000935679
27 open-market purchases totalling $10.2M since 2007, against 6 sales. Across 17 scored buys the stock is up 11.5% at ninety days, and 8.6 points ahead of the S&P over the same stretch.
24 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 25% | 25% | 35% |
| Avg Move | -9.3% | +3.0% | +11.5% |
| Alpha | -7.0% | +2.2% | +8.6% |
| Scored | 24 | 24 | 17 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| PTIX | BUY | 2026-08-21 | 2026-08-24 | $0.65 | $13K | +0.0% | +0.0% | — |
| PTIX | BUY | 2026-08-20 | 2026-08-20 | $0.59 | $10K | +0.0% | +0.0% | — |
| PTIX | BUY | 2026-08-19 | 2026-08-20 | $0.35 | $945 | +0.0% | +0.0% | — |
| PTIX | BUY | 2026-08-11 | 2026-08-12 | $0.32 | $710 | +0.0% | +0.0% | — |
| PTIX | BUY | 2026-08-06 | 2026-08-10 | $0.22 | $151 | +0.0% | +0.0% | — |
| PTIX | BUY | 2026-08-05 | 2026-08-06 | $0.26 | $1K | +0.0% | +0.0% | — |
| PTIX | BUY | 2026-07-30 | 2026-08-03 | $0.18 | $5K | +0.0% | +0.0% | — |
| AGEN | BUY | 2024-02-15 | 2024-02-15 | $0.65 | $325K | +11.3% | -21.6% | -20.1% |
| INKT | SELL | 2023-05-05 | 2023-05-05 | $0.95 | $95K | +1.7% | +2.8% | -2.8% |
| INKT | BUY | 2023-05-02 | 2023-05-04 | $0.95 | $95K | +21.7% | +31.9% | +26.1% |
| AGEN | SELL | 2021-09-13 | 2021-09-14 | $6.50 | $1.1M | +3.7% | -3.3% | -43.6% |
| AGEN | BUY | 2017-10-27 | 2017-10-31 | $3.55 | $355K | +1.6% | +7.1% | +1.9% |
| AGEN | BUY | 2017-04-10 | 2017-04-12 | $3.35 | $669K | +5.7% | +5.4% | +24.3% |
| ATRND | BUY | 2016-06-17 | 2016-08-18 | $1.25 | $75K | N/A | N/A | N/A |
| ATRND | BUY | 2016-06-17 | 2016-08-18 | $1.25 | $75K | N/A | N/A | N/A |
| AGEN | BUY | 2016-05-06 | 2016-05-10 | $3.18 | $318K | +7.7% | +23.6% | +81.1% |
| AGEN | BUY | 2016-05-05 | 2016-05-10 | $3.08 | $154K | +7.7% | +23.6% | +81.1% |
| AGEN | BUY | 2016-03-07 | 2016-03-08 | $4.03 | $806K | -6.7% | +11.8% | +9.6% |
| AGEN | SELL | 2015-12-28 | 2015-12-30 | $4.59 | $1.0M | -27.3% | -30.0% | -8.7% |
| AGEN | BUY | 2015-09-25 | 2015-09-29 | $5.03 | $503K | -27.3% | -0.9% | -0.9% |
| AGEND | BUY | 2011-09-30 | 2011-10-03 | $2.99 | $50K | N/A | N/A | N/A |
| AGEN | BUY | 2011-08-16 | 2011-08-17 | $0.51 | $1.1M | -27.3% | -0.9% | -0.9% |
| AGEN | SELL | 2010-03-11 | 2010-03-11 | $0.79 | $69K | -27.3% | -0.9% | -0.9% |
| AGEN | SELL | 2009-07-15 | 2009-07-17 | $1.66 | $228K | -27.3% | -0.9% | -0.9% |
| AGEN | BUY | 2009-06-25 | 2009-06-29 | $1.97 | $49K | -27.3% | -0.9% | -0.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Total |
| $21.0M |
Shares reported on the most recent Form 4, priced at the 2026-08-24 close. 4 holdings could not be priced and are excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.