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VCNX · Vaccinex, Inc.
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VCNX Vaccinex (VCNX) Insider Trading, Ownership & Congress Trades

Pharma & Biotech · Pharmaceutical preparations · CIK 0001205922
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter

Vaccinex insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for VACCINEX, INC. in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
FRIEDBERG ALBERT
Director
BUY
2024-08-13 SECtraded 2024-08-09
100
$451
-86.5%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (6 buys), the last on Aug 1, 2024.
  • +3.2% median (+9.6% mean) 90-day return after 6 previous buys.
  • The trade is 0.0% of the 780,624 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director FRIEDBERG ALBERT bought about $451 of VCNX on Aug 9, 2024; 1 other insider bought within 30 days.
FCMI Parent Co.
Director
BUY
2024-08-07 SECtraded 2024-08-06
2,753
$13.5K
-84.3%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (4 buys), the last on Aug 5, 2024.
  • -29.8% median (-29.8% mean) 90-day return after 2 previous buys.
  • The trade is 0.4% of the 780,524 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director FCMI Parent Co. bought about $13.5K of VCNX on Aug 6, 2024; 1 other insider bought within 30 days.
FCMI Parent Co.
Director
BUY
2024-08-07 SECtraded 2024-08-05
3,653
$16.8K
-84.3%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 buys), the last on Jul 31, 2024.
  • The trade is 0.5% of the 777,771 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director FCMI Parent Co. bought about $16.8K of VCNX on Aug 5, 2024; 1 other insider bought within 30 days.
FRIEDBERG ALBERT
Director
BUY
2024-08-02 SECtraded 2024-08-01
11,703
$55.2K
-85.7%
Context
  • 5 earlier Form 4 trades (code P or S) here by this insider (5 buys), the last on May 30, 2024.
  • +5.0% median (+14.9% mean) 90-day return after 5 previous buys.
  • The trade is 1.5% of the 774,118 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director FRIEDBERG ALBERT bought about $55.2K of VCNX on Aug 1, 2024; 1 other insider bought within 30 days.
FCMI Parent Co.
Director
BUY
2024-08-01 SECtraded 2024-07-31
100,629
$577.6K
-86.6%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 15.2% of the 663,044 shares held after it.
  • 1 other insider bought within 30 days.
Insider activity: Director FCMI Parent Co. bought about $577.6K of VCNX on Jul 31, 2024; 1 other insider bought within 30 days.
21 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 16 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
under five funds report holding it
Revenue
+5.4% year over year
more than 53% of Pharma & Biotech
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
0.1% of the float short (float per yahoo 2026-10-26) · 5.3 days to cover · settled 2026-09-30
below 89% of Pharma & Biotech
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch VCNX

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-20.2%12M
-61%-18%+26%+69%2025-102025-122026-022026-042026-062026-082026-10
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns VCNX: institutional holders (13F)

13F holdings, latest reported quarter
SEC 13F
No reported 13F holders

No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.

Congress trades in VCNX

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

VCNX planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
Clinical pipeline
3 registered trials, 1 still running (ClinicalTrials.gov). A status change is dated here weeks before the press release.
3
Multi-phase
1 active
Matched by sponsor name. Trials run under a subsidiary's own name are not included.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
Each figure here is a federal filing, dated the day it went public, so you can test what was knowable then.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
UTHRCPIXMRNAREGNLLYALNYMDGLCITRDNAVRTXNUVLTWST

VCNX financials

Revenue growth
+5.4%
XBRL, annual
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$601.0K
four quarters, 2024-01-01 to 2024-12-31
Net margin, TTM
n/a
revenue under $1M, the ratio says nothing
Free cash flow, TTM
-$16.2M
operating cash flow minus capex, 2024-01-01 to 2024-12-31
Debt to equity
n/a
equity is zero or negative, the ratio has no meaning
Cash flow to debt
-647.44x
TTM operating cash flow over long-term 2024-12-31 plus current 2024-12-31
Return on equity
n/a
average equity is zero or negative
Return on assets
-598.5%
TTM net income over average of 2023-12-31 and 2024-12-31
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
n/a
capital employed is zero or negative
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$797.3K
market value at close 2026-10-27 on 2025-04-11 shares, plus long-term 2024-12-31 plus current 2024-12-31, minus cash 2024-12-31
FCF yield
-862.5%
TTM free cash flow over market value at close 2026-10-27
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2024-122023-122022-122021-12
Revenue$601.0K$570.0K$275.0K$900.0K
Operating income-$18.7M-$22.9M-$19.9M-$22.5M
Net income-$18.6M-$20.3M-$19.8M-$22.4M
EPS (diluted)-8.88-43.68-98.05-0.78
Operating cash flow-$16.2M-$21.4M-$19.1M-$25.3M
Cash$1.1M$1.5M$6.4M$8.6M
Long-term debt$0$26.0K$101.0K$175.0K
SEC XBRL, fiscal years, as known on 2026-10-28

VCNX Stock Sonar score 3/7 axes

Find similar shapesCompare

VCNX ranks highest on risk and compliance (92nd percentile) and growth (53rd), and lowest on financial health (2nd), among Pharma & Biotech peers.

Financial health
2
Inputs
  • Debt to equityequity is zero or negative, the ratio has no meaning
  • Cash flow to debt-647.44x · 2 pct, sector of 371
Growth
53
Inputs
  • Revenue growth, YoY+5.4% · 53 pct, sector of 505
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Risk and compliance
92
Inputs
  • Short interest, % of float+0.1% · 92 pct, sector of 813
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
4 not measured: Profitability, Insider conviction, Institutional and government, US patents
  • Profitability needs 2 of 4 inputs, 1 present: average equity is zero or negative; capital employed is zero or negative; pre-tax loss, no effective tax rate to apply
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

3 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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