MacroGenics CSO receives stock units and options

MacroGenics senior vice president and CSO Ezio Bonvini reported equity grants and related share activity.

Accepted by SEC EDGAR 02/17/2026 - 06:27 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

MacroGenics senior vice president and CSO Ezio Bonvini reported equity grants and related share activity. On February 12, 2026 he received 31,250 restricted stock units and options for 187,500 shares at $1.71 per share, expiring February 12, 2036. On February 15, 2026 16,665 RSUs converted into common stock and 6,433 shares were withheld at $1.71 for taxes. After these transactions he directly holds 145,799 common shares and 31,250 RSUs.

Insider Trade Summary

16,665 shares exercised/converted

Exercise 5 txns

Insider Bonvini Ezio

Role Sr VP, Research & CSO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	16,665	$0.00	$0.00
Exercise	Common Stock	16,665	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	6,433	$1.71	$11K
Grant/Award	Restricted Stock Unit	31,250	$0.00	$0.00
Grant/Award	Employee Stock Option (right to buy)	187,500	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 31,250 contracts (Direct); Employee Stock Option (right to buy) — 187,500 contracts (Direct); Common Stock — 145,799 shares (Direct)

Footnotes (3)

1. F1. On February 15, 2023, the reporting person was granted 50,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into the Company's stock on a one-for-one basis.
2. F2. Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest as to 33% of the total shares one year after the date of grant and 33% each year thereafter.
3. F3. 12.5% of the shares underlying the grant became exercisable one year after the date of grant and an additional 6.25% of the shares underlying the grant became exercisable on the first day of each three-month period thereafter.

Key Figures

RSU grant: 31,250 units Stock options granted: 187,500 shares Option exercise price: $1.7100 per share +4 more

7 metrics

RSU grant 31,250 units Restricted Stock Units granted on February 12, 2026

Stock options granted 187,500 shares Employee Stock Option grant on February 12, 2026

Option exercise price $1.7100 per share Exercise price of Employee Stock Option grant

RSUs converted 16,665 shares Restricted Stock Units converted to common stock on February 15, 2026

Shares withheld for taxes 6,433 shares Common shares withheld at $1.71 per share on February 15, 2026

Common shares held 145,799 shares Direct common stock holdings after reported transactions

RSUs held 31,250 units Direct Restricted Stock Unit holdings after reported transactions

Key Terms

Restricted Stock Unit, Employee Stock Option, tax-withholding disposition

3 terms

Restricted Stock Unit financial

"On February 12, 2026 he received 31,250 restricted stock units"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Employee Stock Option financial

"Employee Stock Option (right to buy) for 187,500 shares at $1.71"

An employee stock option is a promise that lets a worker buy company shares later at a predetermined price, often after they stay for a certain period or meet performance goals — think of it like a coupon that locks in today's price for a future purchase. It matters to investors because options align employees’ incentives with company performance, can increase the number of shares outstanding (dilution) when exercised, and represent a compensation cost that affects reported profits and shareholder value.

tax-withholding disposition financial

"transaction_action: tax-withholding disposition of 6,433 shares"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity awards did MacroGenics (MGNX) grant to Ezio Bonvini in February 2026?

Ezio Bonvini received 31,250 restricted stock units and employee stock options for 187,500 shares on February 12, 2026. The options carry an exercise price of $1.71 per share and are scheduled to expire on February 12, 2036.

What are the terms of Ezio Bonvini's MacroGenics (MGNX) stock options?

The employee stock options give a right to buy 187,500 shares of MacroGenics common stock at $1.71 per share. These options were granted on February 12, 2026 and have an expiration date of February 12, 2036, subject to their vesting terms.

How many RSUs converted to MacroGenics (MGNX) common stock for Ezio Bonvini?

On February 15, 2026, 16,665 restricted stock units held by Ezio Bonvini converted into MacroGenics common stock. Each RSU represents a contingent right to receive one share of common stock, so this conversion delivered the same number of shares.

How many MacroGenics (MGNX) shares were withheld for Ezio Bonvini's taxes?

To cover tax obligations, 6,433 shares of MacroGenics common stock were withheld at a value of $1.71 per share on February 15, 2026. This tax-withholding disposition reduced the net shares delivered from the RSU conversion.

What are Ezio Bonvini’s post-transaction holdings in MacroGenics (MGNX)?

After the reported transactions, Ezio Bonvini directly holds 145,799 shares of MacroGenics common stock and 31,250 restricted stock units. These holdings reflect his remaining equity position following the February 2026 grants, RSU conversion, and tax-share withholding.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED 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^*

Bonvini Ezio

(Last) (First) (Middle)

9704 MEDICAL CENTER DRIVE

(Street)

ROCKVILLE MD 20850

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MACROGENICS INC [ MGNX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr VP, Research & CSO

3. Date of Earliest Transaction (Month/Day/Year)
02/12/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/15/2026		M		16,665	A	(1)	152,232	D
Common Stock	02/15/2026		F		6,433	D	$1.71	145,799	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	02/15/2026		M			16,665	(1)	(1)	Common Stock	16,665	$0	0	D
Restricted Stock Unit	(2)	02/12/2026		A		31,250		(2)	(2)	Common Stock	31,250	$0	31,250	D
Employee Stock Option (right to buy)	$1.71	02/12/2026		A		187,500		(3)	02/12/2036	Common Stock	187,500	$0	187,500	D

Explanation of Responses:

1. On February 15, 2023, the reporting person was granted 50,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into the Company's stock on a one-for-one basis.

2. Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest as to 33% of the total shares one year after the date of grant and 33% each year thereafter.

3. 12.5% of the shares underlying the grant became exercisable one year after the date of grant and an additional 6.25% of the shares underlying the grant became exercisable on the first day of each three-month period thereafter.

Remarks:

	/s/ Beth A. Smith, Attorney-in-fact	02/17/2026
	** Signature of Reporting Person	Date
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.
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