STOCK TITAN

Director at Harvard Bioscience (HBIO) granted 16,556 restricted stock units

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Eade Katherine A. reported acquisition or exercise transactions in this Form 4 filing.

Harvard Bioscience director Katherine A. Eade received an award of 16,556 restricted stock units of common stock at no cost. The RSUs vest in full either immediately before the company’s next annual meeting or one year from the grant date, whichever occurs first. After this grant, she beneficially owns 58,669 shares, including 42,113 shares of common stock adjusted for a 10-for-1 reverse stock split that took effect on March 13, 2026.

Positive

  • None.

Negative

  • None.
Insider Eade Katherine A.
Role null
Type Security Shares Price Value
Grant/Award Common Stock 16,556 $0.00 --
Holdings After Transaction: Common Stock — 58,669 shares (Direct, null)
Footnotes (1)
  1. Represents an award of 16,556 restricted stock units that vests in full (i) immediately prior to the Company's next annual meeting; or (ii) one year from the date of grant, whichever is earlier. Includes (a) the award described in footnote (1) above and (b) 42,113 shares of common stock beneficially owned by the Reporting Person. On March 13, 2026, the common stock of Harvard Bioscience, Inc. underwent a reverse stock split in a ratio of 10-for-1. The 42,113 shares referenced in Footnote 2(b) were previously reported as covering 110,000 restricted stock units (which have now vested) and 311,126 shares of common stock beneficially owned by the Reporting Person. These numbers have been adjusted to reflect the stock split that occurred on March 13, 2026.
RSU award 16,556 units Restricted stock units granted to director Katherine A. Eade
Shares after transaction 58,669 shares Total beneficial ownership following RSU grant
Previously owned common stock 42,113 shares Beneficially owned common shares included in post-grant total
Reverse stock split ratio 10-for-1 Common stock reverse split effective March 13, 2026
Pre-split RSUs reported 110,000 units Previously reported restricted stock units before 10-for-1 split
Pre-split common shares 311,126 shares Previously beneficially owned common stock before split adjustment
restricted stock units financial
"Represents an award of 16,556 restricted stock units that vests in full"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
reverse stock split financial
"underwent a reverse stock split in a ratio of 10-for-1"
A reverse stock split is when a company reduces the number of its shares outstanding, making each share more valuable. For example, if you own 100 shares worth $1 each, a 1-for-10 reverse split would turn your 100 shares into 10 shares worth $10 each. Companies often do this to boost their stock price and appear more stable to investors.
beneficially owned financial
"42,113 shares of common stock beneficially owned by the Reporting Person"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
annual meeting financial
"vests in full (i) immediately prior to the Company's next annual meeting"
A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Eade Katherine A.

(Last)(First)(Middle)
C/O HARVARD BIOSCIENCE, INC.
84 OCTOBER HILL ROAD #10

(Street)
HOLLISTON MASSACHUSETTS

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
HARVARD BIOSCIENCE INC [ HBIO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/09/2026A16,556(1)A$0.0058,669(2)(3)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents an award of 16,556 restricted stock units that vests in full (i) immediately prior to the Company's next annual meeting; or (ii) one year from the date of grant, whichever is earlier.
2. Includes (a) the award described in footnote (1) above and (b) 42,113 shares of common stock beneficially owned by the Reporting Person.
3. On March 13, 2026, the common stock of Harvard Bioscience, Inc. underwent a reverse stock split in a ratio of 10-for-1. The 42,113 shares referenced in Footnote 2(b) were previously reported as covering 110,000 restricted stock units (which have now vested) and 311,126 shares of common stock beneficially owned by the Reporting Person. These numbers have been adjusted to reflect the stock split that occurred on March 13, 2026.
/s/ Katherine A. Eade06/12/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Harvard Bioscience (HBIO) report for Katherine A. Eade?

Harvard Bioscience reported a stock-based compensation grant to director Katherine A. Eade. She received 16,556 restricted stock units of common stock, increasing her beneficial ownership to 58,669 shares following the award, according to the Form 4 filing details and accompanying footnotes.

How many restricted stock units did the Harvard Bioscience director receive?

Director Katherine A. Eade received an award of 16,556 restricted stock units. These RSUs represent a stock-based compensation grant and will convert into shares of common stock upon vesting under the specified schedule, without any cash purchase price per unit reported in the filing.

What are the vesting terms of Katherine A. Eade’s 16,556 RSUs at Harvard Bioscience (HBIO)?

The 16,556 restricted stock units vest in full on the earlier of two dates. They vest immediately prior to Harvard Bioscience’s next annual meeting, or one year from the grant date, whichever occurs first, providing a single cliff-vesting schedule for this director equity award.

How many Harvard Bioscience shares does Katherine A. Eade own after this Form 4 transaction?

Following the RSU grant, Katherine A. Eade beneficially owns 58,669 shares of Harvard Bioscience common stock. This total includes the 16,556 new restricted stock units and 42,113 shares of common stock previously beneficially owned, as disclosed in the Form 4 footnotes.

How did Harvard Bioscience’s March 13, 2026 reverse stock split affect the director’s reported holdings?

Harvard Bioscience completed a 10-for-1 reverse stock split on March 13, 2026. After this split, previously reported holdings of 110,000 restricted stock units and 311,126 common shares were adjusted to 42,113 shares of common stock, which now form part of Katherine A. Eade’s 58,669 total shares.

Did Katherine A. Eade buy or sell Harvard Bioscience (HBIO) shares in the market in this Form 4?

The Form 4 shows no open-market purchases or sales by Katherine A. Eade. Instead, it reports a non-cash acquisition: a grant of 16,556 restricted stock units as director compensation, with a reported price per unit of zero dollars in the transaction line.