Nasdaq · CIK 0001746466
EQ Equillium, Inc.
Insider trading from SEC Form 4. Last filing Jun 5, 2026. Close $1.41 on Oct 9, 2026, +68% from the 52-week low and -56% from the high.
Equillium, Inc. (EQ) has 51 SEC Form 4 filings on file from 10 insiders, the latest filed on Jun 5, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
16 open-market trades have been scored at EQ. The newest: Stephen Connelly (President and CSO) sold $724k of stock on Jun 4, 2026, filed Jun 5, 2026, scored 61 (notable). 3 insiders sold within 14 days of each other around Jun 4, 2026.
EQ closed at $1.41 on Oct 9, 2026, 68% above its 52-week low and 56% below its 52-week high.
14 Form 144 notices of planned sales are on file, the latest filed Jun 5, 2026.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
10
with a Form 4 at this company
Price and insider trades, last year
EQOct 9, 2026 · close 1.41
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Equillium, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 61Notable | Stephen Connelly President and CSO sell | $724k 230,975 shares | -23% | +993% from low0% from high | |
| 11Weak | Christine Zedelmayer Sr. Vice President and COO sell | $43k 14,584 shares | -19% | +914% from low-7% from high | |
| 33Weak | Christine Zedelmayer Sr. Vice President and COO sell | $267k 95,833 shares | -132% | +807% from low0% from high | |
| 27Weak | Penny Tom Principal Accounting Officer sell | $192k 65,000 shares | -100% | +879% from low0% from high | |
| 19Weak | Christine Zedelmayer Sr. Vice President and COO sell | $301k 120,312 shares | -66% | +752% from low0% from high | |
| 20Weak | Christine Zedelmayer Sr. Vice President and COO sell | $362k 181,219 shares | -74% | +597% from low0% from high | |
| 20Weak | Christine Zedelmayer Sr. Vice President and COO sell | $328k 185,937 shares | -93% | +528% from low-9% from high | |
| 20Weak | Christine Zedelmayer Sr. Vice President and COO sell | $328k 185,937 shares | -62% | +528% from low-9% from high | |
| 15Weak | Penny Tom Principal Accounting Officer sell | $8,428 6,533 shares | -100% | +290% from low-43% from high | |
| 16Weak | Christine Zedelmayer Sr. Vice President and COO sell | $150k 100,000 shares | -52% | +366% from low-32% from high | |
| 16Weak | Christine Zedelmayer Sr. Vice President and COO sell | $47k 35,704 shares | -28% | +341% from low-36% from high | |
| 0Weak | Christine Zedelmayer Sr. Vice President and COO sell | $7,696 8,098 shares | -6% | +221% from low-53% from high | |
| 7Weak | Jason A Keyes Chief Financial Officer sell | $6,500 10,000 shares | -21% | - | |
| 7Weak | Jason A Keyes Chief Financial Officer sell | $7,000 10,000 shares | -17% | - | |
| 8Weak | Christine Zedelmayer Sr. Vice President and COO sell | $19k 15,000 shares | -10% | - | |
| 13Weak | Penny Tom Principal Accounting Officer sell | $4,398 3,518 shares | -35% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 5, 2026 | Connelly Stephen Officer, President and CSO | 30,975 0.05% of outstanding | $91k | Jun 5, 2026 | $633k |
| Jun 4, 2026 | Connelly Stephen Officer, President and CSO | 200,000 0.32% of outstanding | $633k | Jun 4, 2026 | none |
| May 27, 2026 | Zedelmayer Christine Officer | 65,625 0.10% of outstanding | $173k | May 27, 2026 | $357k |
| Mar 13, 2026 | Zedelmayer Christine Officer | 120,312 0.20% of outstanding | $289k | Mar 13, 2026 | $695k |
| Mar 9, 2026 | Zedelmayer Christine Officer | 181,219 0.30% of outstanding | $321k | Mar 9, 2026 | $378k |
| Feb 19, 2026 | Zedelmayer Christine Officer | 185,937 0.31% of outstanding | $316k | Feb 19, 2026 | $205k |
| Jan 8, 2026 | Tom Penny Officer | 6,533 0.01% of outstanding | $8,427 | Jan 8, 2026 | none |
| Dec 23, 2025 | Zedelmayer Christine Officer | 100,000 0.16% of outstanding | $150k | Dec 23, 2025 | $55k |
| Dec 12, 2025 | Zedelmayer Christine Officer | 23,804 0.04% of outstanding | $32k | Dec 12, 2025 | $7,696 |
| Nov 25, 2025 | Zedelmayer Christine Officer | 8,098 0.01% of outstanding | $7,428 | Nov 25, 2025 | none |
| Jul 8, 2025 | Keyes Jason A Former CFO | 88,913 0.25% of outstanding | $28k | Jul 7, 2025 | $3,860 |
| Jun 12, 2025 | THE KEYES TRUST U/A DTD 09/10/2004 Director | 10,000 0.03% of outstanding | $3,860 | Jun 12, 2025 | none |
| Nov 14, 2024 | THE KEYES TRUST U/A DTD 09/10/2004 Officer | 20,000 0.06% of outstanding | $16k | Nov 14, 2024 | $8,051 |
| Oct 31, 2024 | Zedelmayer Christine Officer | 15,000 0.04% of outstanding | $19k | Oct 28, 2024 | none |
Transactions
The newest 50 of 182 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +14,584 | $0.79 | $11k | 77,170 | Jun 5, 2026 |
| Jun 4, 2026 | Stephen Connelly President and CSO | SOpen-market sale Common Stock | -200,000 | $3.16 | $633k | 793,000 | Jun 5, 2026 |
| Jun 5, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -14,584 | $2.93 | $43k | 62,586 | Jun 5, 2026 |
| Jun 5, 2026 | Stephen Connelly President and CSO | SOpen-market sale Common Stock | -30,975 | $2.94 | $91k | 762,025 | Jun 5, 2026 |
| Jun 5, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -14,584 | $0.00 | $0 | 25,521 | Jun 5, 2026 |
| May 28, 2026 | Charles Douglas McDermott director | AGrant or award Director Stock Option (right to buy)derivative | +70,000 | $0.00 | $0 | 70,000 | May 29, 2026 |
| May 28, 2026 | Mark Pruzanski director | AGrant or award Director Stock Option (right to buy)derivative | +70,000 | $0.00 | $0 | 70,000 | May 29, 2026 |
| May 28, 2026 | Daniel Bradbury CHAIRMAN | AGrant or award Director stock option (right to buy)derivative | +70,000 | $0.00 | $0 | 70,000 | May 29, 2026 |
| May 28, 2026 | Barbara Troupin director | AGrant or award Director Stock Option (right to buy)derivative | +70,000 | $0.00 | $0 | 70,000 | May 29, 2026 |
| May 27, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +9,821 | $0.77 | $7,562 | 72,407 | May 29, 2026 |
| May 28, 2026 | Penny Tom Principal Accounting Officer | MOption exercise Common Stock10b5-1 | +65,000 | $0.79 | $51k | 65,000 | May 29, 2026 |
| May 28, 2026 | Martha J Demski director | AGrant or award Director Stock Option (right to buy)derivative | +70,000 | $0.00 | $0 | 70,000 | May 29, 2026 |
| May 28, 2026 | Penny Tom Principal Accounting Officer | SOpen-market sale Common Stock10b5-1 | -65,000 | $2.95 | $192k | 0 | May 29, 2026 |
| May 27, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -9,821 | $2.70 | $27k | 62,586 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +7,292 | $0.73 | $5,323 | 69,878 | May 29, 2026 |
| May 28, 2026 | Penny Tom Principal Accounting Officer | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -65,000 | $0.00 | $0 | 0 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +48,512 | $0.77 | $37k | 118,390 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -55,604 | $2.70 | $150k | 62,786 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -200 | $2.71 | $542 | 62,586 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +14,583 | $0.79 | $11k | 77,169 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +15,625 | $0.79 | $12k | 92,794 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -30,208 | $2.98 | $90k | 62,586 | May 29, 2026 |
| May 27, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -9,821 | $0.00 | $0 | 165,179 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -7,292 | $0.00 | $0 | 91,146 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -48,512 | $0.00 | $0 | 116,667 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -14,583 | $0.00 | $0 | 40,105 | May 29, 2026 |
| May 28, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -15,625 | $0.00 | $0 | 0 | May 29, 2026 |
| Mar 13, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +120,312 | $0.79 | $94k | 182,898 | Mar 16, 2026 |
| Mar 13, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -120,312 | $2.50 | $301k | 62,586 | Mar 16, 2026 |
| Mar 13, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -120,312 | $0.00 | $0 | 54,688 | Mar 16, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +109,375 | $0.79 | $86k | 200,819 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +35,695 | $0.79 | $28k | 127,139 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +41,666 | $0.79 | $33k | 168,805 | Mar 11, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -109,375 | $1.78 | $195k | 91,444 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +75,000 | $0.79 | $59k | 243,805 | Mar 11, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +76,562 | $0.73 | $56k | 168,006 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -181,219 | $2.00 | $362k | 62,586 | Mar 11, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -76,562 | $1.74 | $133k | 91,444 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -35,695 | $0.00 | $0 | 0 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -41,666 | $0.00 | $0 | 0 | Mar 11, 2026 |
| Mar 9, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -75,000 | $0.00 | $0 | 0 | Mar 11, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +109,375 | $0.79 | $86k | 300,819 | Feb 23, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -109,375 | $1.78 | $195k | 191,444 | Feb 23, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Common Stock10b5-1 | +76,562 | $0.73 | $56k | 268,006 | Feb 23, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | SOpen-market sale Common Stock10b5-1 | -76,562 | $1.74 | $133k | 191,444 | Feb 23, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -109,375 | $0.00 | $0 | 15,625 | Feb 23, 2026 |
| Feb 19, 2026 | Christine Zedelmayer Sr. Vice President and COO | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -76,562 | $0.00 | $0 | 98,438 | Feb 23, 2026 |
| Jan 8, 2026 | Penny Tom Principal Accounting Officer | SOpen-market sale Common Stock10b5-1 | -6,533 | $1.29 | $8,428 | 0 | Jan 9, 2026 |
| Jan 7, 2026 | Stephen Connelly President and CSO | AGrant or award Employee Stock Option (right to buy)derivative | +1,150,000 | $0.00 | $0 | 1,150,000 | Jan 9, 2026 |
| Jan 7, 2026 | Bruce D. Steel Chief Executive Officer | AGrant or award Employee Stock Option (right to buy)derivative | +1,750,000 | $0.00 | $0 | 1,750,000 | Jan 9, 2026 |
50 of 182 rows shown.
Insiders
Everyone who has filed a Form 4 here.
- Daniel BradburyCHAIRMAN
- Stephen ConnellyPresident and CSO
- Martha J Demskidirector
- Jason A KeyesChief Financial Officer
- Charles Douglas McDermottdirector
- Mark Pruzanskidirector
- Bruce D. SteelChief Executive Officer
- Penny TomPrincipal Accounting Officer
- Barbara Troupindirector
- Christine ZedelmayerSr. Vice President and COO
Questions about EQ
Answered from the filings on this page, as of the latest one.
Are insiders buying EQ?
No. In the last 90 days no insider at Equillium, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade EQ on the open market?
Stephen Connelly (President and CSO) sold $724k of EQ on Jun 4, 2026 and filed the Form 4 on Jun 5, 2026. InsiderTell scored 61 (notable), with 3 insiders on the same side within 14 days.
How many insiders file Form 4 at Equillium, Inc.?
10 people have filed a Form 4 at Equillium, Inc., among them Daniel Bradbury (CHAIRMAN), Stephen Connelly (President and CSO), Martha J Demski (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.